We Keep Coding

Show error note if image not selected android

This is my full code below. am coding an android app that can select image from gallery or any where and upload it to Mysql server through php but if image is not selected and the upload button is press the application crashes so i want to implement the function that it shows error dialog / warning dialog if image is not selected from gallery have already implemented it in EditText but cannot implement it in Image. below is my code
package com.app.markeet;
public class ActivityPost extends AppCompatActivity implements View.OnClickListener {
private Button buttonUpload;
private Button buttonChoose;
EditText editTitle, editTextPrice, editTextDescription, editTextStatus, editTextAuthorsname, editTextAuthorsphone;
private ImageView imageView,choiceItemImg,choiceItemImg2,choiceItemImg3,choiceItemImg4;
public static final String KEY_TITLE = "name";
public static final String KEY_IMAGE = "image";
public static final String KEY_PRICE = "price";
public static final String KEY_DESCRIPTION = "description";
public static final String KEY_STOCK = "stock";
public static final String KEY_AUTHORSNAME = "authorsname";
public static final String KEY_AUTHORSPHONE = "authorsphone";
public static final String KEY_STATUS = "status";
public static final String UPLOAD_URL = "http://192.168.0.199/config/upload.php";
private int PICK_IMAGE_REQUEST = 1;
public static final int CREATE_POST_IMG = 5;
private Bitmap bitmap;
private Uri outputFileUri;
public static final int SELECT_POST_IMG = 3;
public static final String APP_TEMP_FOLDER = "kobobay";
String[] categories = { "Animals and Pets", "Electronics and Video",
"Fashion and Beauty", "Home, Furniture and Garden", "Mobile Phone and Tablets", "PC, Laptop and Accessories",
"Jobs and Services", "Real Estate and Roommate", "Hobbles, Art and Sport", "Books and Tutorial",
"Vehicles", "Other"};
int[] catevalue = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12};
Spinner spinner1;
TextView textView1;
private Toolbar toolbar;
private ActionBar actionBar;
private String selectedPostImg = "";
ImageView mChoiceItemImg, mLocationDelete;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_post);
toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
actionBar = getSupportActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
actionBar.setHomeButtonEnabled(true);
actionBar.setTitle("");
buttonUpload = (Button) findViewById(R.id.buttonUpload);
buttonChoose = (Button) findViewById(R.id.buttonChooseImage);
editTitle = (EditText)findViewById(R.id.editTitle);
editTextPrice = (EditText)findViewById(R.id.editPrice);
editTextDescription = (EditText)findViewById(R.id.editDescription);
editTextStatus = (EditText)findViewById(R.id.editStatus);
editTextAuthorsname = (EditText)findViewById(R.id.editName);
editTextAuthorsphone = (EditText)findViewById(R.id.editPhone);
imageView = (ImageView) findViewById(R.id.imageView);
textView1 = (TextView)findViewById(R.id.text1);
spinner1 = (Spinner)findViewById(R.id.spinner1);
ArrayAdapter<String> adapter1 =
new ArrayAdapter<String>(ActivityPost.this,
android.R.layout.simple_spinner_item, categories);
adapter1.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner1.setAdapter(adapter1);
spinner1.setOnItemSelectedListener(onItemSelectedListener1);
buttonChoose.setOnClickListener(this);
buttonUpload.setOnClickListener(this);
choiceItemImg = (ImageView) findViewById(R.id.choiceItemImg);
choiceItemImg.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
showFileChooser();
}
});
mChoiceItemImg = (ImageView) findViewById(R.id.choiceItemImg2);
mChoiceItemImg.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
if (selectedPostImg.length() == 0) {
imageFromGallery();
} else {
AlertDialog.Builder alertDialog = new AlertDialog.Builder(ActivityPost.this);
alertDialog.setTitle(getText(R.string.action_remove));
alertDialog.setMessage(getText(R.string.label_delete_img));
alertDialog.setCancelable(true);
alertDialog.setNeutralButton(getText(R.string.action_cancel), new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
}
});
alertDialog.setPositiveButton(getText(R.string.action_remove), new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
mChoiceItemImg.setImageResource(R.drawable.ic_camera);
selectedPostImg = "";
dialog.cancel();
}
});
alertDialog.show();
}
}
});
String URL = Constant.WEB_URL + "get/user_info.php";
StringRequest stringRequest = new StringRequest(Request.Method.POST, URL,
new Response.Listener<String>() {
#Override
public void onResponse(String response) {
try {
JSONObject jsonResponse= new JSONObject(response);
//txtName.setText(jsonResponse.getString("fullname"));
editTextAuthorsname.setText(jsonResponse.getString("login"));
//txtEmail.setText(jsonResponse.getString("email"));
editTextAuthorsphone.setText(jsonResponse.getString("phone"));// you need to create this textView txtPoints.
} catch (Throwable t) {
Log.e("onResponse", "The response: " + response + " seems to not be json formatted.");
}
}
},
new Response.ErrorListener() {
#Override
public void onErrorResponse(VolleyError error) {
Toast.makeText(ActivityPost.this,error.toString(), Toast.LENGTH_SHORT).show();
}
}){
#Override
protected Map<String,String> getParams(){
Map<String,String> params = new HashMap<String, String>();
params.put("username",ThisApplication.getInstance().getUsername());
return params;
}
};
RequestQueue requestQueue = Volley.newRequestQueue(this);
requestQueue.add(stringRequest);
}
AdapterView.OnItemSelectedListener onItemSelectedListener1 =
new AdapterView.OnItemSelectedListener(){
#Override
public void onItemSelected(AdapterView<?> parent, View view,
int position, long id) {
String s1 = String.valueOf(catevalue[position]);
textView1.setText(s1);
}
#Override
public void onNothingSelected(AdapterView<?> parent) {}
};
private void showFileChooser() {
Intent intent = new Intent();
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent, "Select Picture"), PICK_IMAGE_REQUEST);
}
public void imageFromGallery() {
Intent intent = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(Intent.createChooser(intent, getText(R.string.label_select_img)), SELECT_POST_IMG);
}
public void imageFromCamera() {
try {
File root = new File(Environment.getExternalStorageDirectory(), APP_TEMP_FOLDER);
if (!root.exists()) {
root.mkdirs();
}
File sdImageMainDirectory = new File(root, "post.jpg");
outputFileUri = Uri.fromFile(sdImageMainDirectory);
Intent cameraIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
cameraIntent.putExtra(MediaStore.EXTRA_OUTPUT, outputFileUri);
startActivityForResult(cameraIntent, CREATE_POST_IMG);
} catch (Exception e) {
Toast.makeText(ActivityPost.this, "Error occured. Please try again later.", Toast.LENGTH_SHORT).show();
}
}
#Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == PICK_IMAGE_REQUEST && resultCode == RESULT_OK && data != null && data.getData() != null) {
Uri filePath = data.getData();
try {
bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), filePath);
choiceItemImg.setImageBitmap(bitmap);
} catch (IOException e) {
e.printStackTrace();
}
}
if (requestCode == SELECT_POST_IMG && resultCode == RESULT_OK && data != null && data.getData() != null) {
Uri filePath = data.getData();
try {
bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), filePath);
choiceItemImg2.setImageBitmap(bitmap);
} catch (IOException e) {
e.printStackTrace();
}
}
}
public String getStringImage(Bitmap bmp){
ByteArrayOutputStream baos = new ByteArrayOutputStream();
bmp.compress(Bitmap.CompressFormat.JPEG, 100, baos);
byte[] imageBytes = baos.toByteArray();
String encodedImage = Base64.encodeToString(imageBytes, Base64.DEFAULT);
return encodedImage;
}
public void uploadImage(){
final String GetAuthorsname = editTextAuthorsname.getText().toString();
final String GetAuthorsphone = editTextAuthorsphone.getText().toString();
final String GetTitle = editTitle.getText().toString().trim();
final String image = getStringImage(bitmap);
final String GetPrice = editTextPrice.getText().toString();
final String GetStock = textView1.getText().toString();
final String GetDescription = editTextDescription.getText().toString();
final String GetStatus = editTextStatus.getText().toString();
class UploadImage extends AsyncTask<Void,Void,String> {
ProgressDialog loading;
#Override
protected void onPreExecute() {
super.onPreExecute();
loading = ProgressDialog.show(ActivityPost.this,"Please wait...","uploading",false,false);
}
#Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
loading.dismiss();
Toast.makeText(ActivityPost.this,s, Toast.LENGTH_LONG).show();
}
#Override
protected String doInBackground(Void... params) {
RequestHandler rh = new RequestHandler();
HashMap<String,String> param = new HashMap<String,String>();
param.put(KEY_TITLE,GetTitle);
param.put(KEY_IMAGE,image);
param.put(KEY_PRICE,GetPrice);
param.put(KEY_STOCK,GetStock);
param.put(KEY_DESCRIPTION,GetDescription);
param.put(KEY_STATUS,GetStatus);
param.put(KEY_AUTHORSNAME,GetAuthorsname);
param.put(KEY_AUTHORSPHONE,GetAuthorsphone);
String result = rh.sendPostRequest(UPLOAD_URL, param);
return result;
}
}
UploadImage u = new UploadImage();
u.execute();
}
public Boolean checkPicture() {
String image = getStringImage(bitmap);
String GetPrice = editTextPrice.getText().toString();
String GetDescription = editTextDescription.getText().toString();
String GetStatus = editTextStatus.getText().toString();
editTitle.setError(null);
editTextPrice.setError(null);
editTextDescription.setError(null);
editTextStatus.setError(null);
if (image.length() == 0) {
editTitle.setError(getString(R.string.error_field_empty));
return false;
} if (GetPrice.length() == 0) {
editTextPrice.setError(getString(R.string.error_field_empty));
return false;
} if (GetDescription.length() == 0) {
editTextDescription.setError(getString(R.string.error_field_empty));
return false;
} if (GetStatus.length() == 0) {
editTextStatus.setError(getString(R.string.error_field_empty));
return false;
}
return true;
}
public Boolean checkDesc() {
String GetDescription = editTextDescription.getText().toString();
editTextDescription.setError(null);
if (GetDescription.length() == 0) {
editTextDescription.setError(getString(R.string.error_field_empty));
return false;
}
return true;
}
public Boolean checkProductName() {
String GetTitle = editTitle.getText().toString();
editTitle.setError(null);
if (GetTitle.length() == 0) {
editTitle.setError(getString(R.string.error_field_empty));
return false;
}
return true;
}
public Boolean checkCategory() {
String GetStock = textView1.getText().toString();
textView1.setError(null);
if (GetStock.length() == 0) {
editTitle.setError(getString(R.string.error_field_empty));
return false;
}
return true;
}
#Override
public void onClick(View v) {
if(v == buttonChoose){
showFileChooser();
//imageFromGallery();
}
if(v == buttonUpload){
// checkUsername();
if (!ThisApplication.getInstance().isConnected()) {
Toast.makeText(getApplicationContext(), R.string.msg_network_error, Toast.LENGTH_SHORT).show();
} else if (!checkProductName() || !checkDesc() || !checkCategory()) {
} else {
uploadImage();
}
}
}
#Override
public void onBackPressed(){
finish();
}
#Override
public void onDestroy() {
super.onDestroy();
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_new_item, menu);
return true;
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.sync:
Intent intent = getIntent();
finish();
startActivity(intent);
return true;
case R.id.action_post:
uploadImage();
default:
return super.onOptionsItemSelected(item);
}
}
}

Just copy this code and paste
package com.app.markeet;
public class ActivityPost extends AppCompatActivity implements View.OnClickListener {
private Button buttonUpload;
private Button buttonChoose;
EditText editTitle, editTextPrice, editTextDescription, editTextStatus, editTextAuthorsname, editTextAuthorsphone;
private ImageView imageView,choiceItemImg,choiceItemImg2,choiceItemImg3,choiceItemImg4;
public static final String KEY_TITLE = "name";
public static final String KEY_IMAGE = "image";
public static final String KEY_PRICE = "price";
public static final String KEY_DESCRIPTION = "description";
public static final String KEY_STOCK = "stock";
public static final String KEY_AUTHORSNAME = "authorsname";
public static final String KEY_AUTHORSPHONE = "authorsphone";
public static final String KEY_STATUS = "status";
public static final String UPLOAD_URL = "http://192.168.0.199/config/upload.php";
private int PICK_IMAGE_REQUEST = 1;
public static final int CREATE_POST_IMG = 5;
private Bitmap bitmap;
private Uri outputFileUri;
public static final int SELECT_POST_IMG = 3;
public static final String APP_TEMP_FOLDER = "kobobay";
String[] categories = { "Animals and Pets", "Electronics and Video",
"Fashion and Beauty", "Home, Furniture and Garden", "Mobile Phone and Tablets", "PC, Laptop and Accessories",
"Jobs and Services", "Real Estate and Roommate", "Hobbles, Art and Sport", "Books and Tutorial",
"Vehicles", "Other"};
int[] catevalue = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12};
Spinner spinner1;
TextView textView1;
private Toolbar toolbar;
private ActionBar actionBar;
private String selectedPostImg = "";
ImageView mChoiceItemImg, mLocationDelete;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_post);
toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
actionBar = getSupportActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
actionBar.setHomeButtonEnabled(true);
actionBar.setTitle("");
buttonUpload = (Button) findViewById(R.id.buttonUpload);
buttonChoose = (Button) findViewById(R.id.buttonChooseImage);
editTitle = (EditText)findViewById(R.id.editTitle);
editTextPrice = (EditText)findViewById(R.id.editPrice);
editTextDescription = (EditText)findViewById(R.id.editDescription);
editTextStatus = (EditText)findViewById(R.id.editStatus);
editTextAuthorsname = (EditText)findViewById(R.id.editName);
editTextAuthorsphone = (EditText)findViewById(R.id.editPhone);
imageView = (ImageView) findViewById(R.id.imageView);
textView1 = (TextView)findViewById(R.id.text1);
spinner1 = (Spinner)findViewById(R.id.spinner1);
ArrayAdapter<String> adapter1 =
new ArrayAdapter<String>(ActivityPost.this,
android.R.layout.simple_spinner_item, categories);
adapter1.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner1.setAdapter(adapter1);
spinner1.setOnItemSelectedListener(onItemSelectedListener1);
buttonChoose.setOnClickListener(this);
buttonUpload.setOnClickListener(this);
choiceItemImg = (ImageView) findViewById(R.id.choiceItemImg);
choiceItemImg.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
showFileChooser();
}
});
mChoiceItemImg = (ImageView) findViewById(R.id.choiceItemImg2);
mChoiceItemImg.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
if (selectedPostImg.length() == 0) {
imageFromGallery();
} else {
AlertDialog.Builder alertDialog = new AlertDialog.Builder(ActivityPost.this);
alertDialog.setTitle(getText(R.string.action_remove));
alertDialog.setMessage(getText(R.string.label_delete_img));
alertDialog.setCancelable(true);
alertDialog.setNeutralButton(getText(R.string.action_cancel), new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
}
});
alertDialog.setPositiveButton(getText(R.string.action_remove), new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
mChoiceItemImg.setImageResource(R.drawable.ic_camera);
selectedPostImg = "";
dialog.cancel();
}
});
alertDialog.show();
}
}
});
String URL = Constant.WEB_URL + "get/user_info.php";
StringRequest stringRequest = new StringRequest(Request.Method.POST, URL,
new Response.Listener<String>() {
#Override
public void onResponse(String response) {
try {
JSONObject jsonResponse= new JSONObject(response);
//txtName.setText(jsonResponse.getString("fullname"));
editTextAuthorsname.setText(jsonResponse.getString("login"));
//txtEmail.setText(jsonResponse.getString("email"));
editTextAuthorsphone.setText(jsonResponse.getString("phone"));// you need to create this textView txtPoints.
} catch (Throwable t) {
Log.e("onResponse", "The response: " + response + " seems to not be json formatted.");
}
}
},
new Response.ErrorListener() {
#Override
public void onErrorResponse(VolleyError error) {
Toast.makeText(ActivityPost.this,error.toString(), Toast.LENGTH_SHORT).show();
}
}){
#Override
protected Map<String,String> getParams(){
Map<String,String> params = new HashMap<String, String>();
params.put("username",ThisApplication.getInstance().getUsername());
return params;
}
};
RequestQueue requestQueue = Volley.newRequestQueue(this);
requestQueue.add(stringRequest);
}
AdapterView.OnItemSelectedListener onItemSelectedListener1 =
new AdapterView.OnItemSelectedListener(){
#Override
public void onItemSelected(AdapterView<?> parent, View view,
int position, long id) {
String s1 = String.valueOf(catevalue[position]);
textView1.setText(s1);
}
#Override
public void onNothingSelected(AdapterView<?> parent) {}
};
private void showFileChooser() {
Intent intent = new Intent();
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent, "Select Picture"), PICK_IMAGE_REQUEST);
}
public void imageFromGallery() {
Intent intent = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(Intent.createChooser(intent, getText(R.string.label_select_img)), SELECT_POST_IMG);
}
public void imageFromCamera() {
try {
File root = new File(Environment.getExternalStorageDirectory(), APP_TEMP_FOLDER);
if (!root.exists()) {
root.mkdirs();
}
File sdImageMainDirectory = new File(root, "post.jpg");
outputFileUri = Uri.fromFile(sdImageMainDirectory);
Intent cameraIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
cameraIntent.putExtra(MediaStore.EXTRA_OUTPUT, outputFileUri);
startActivityForResult(cameraIntent, CREATE_POST_IMG);
} catch (Exception e) {
Toast.makeText(ActivityPost.this, "Error occured. Please try again later.", Toast.LENGTH_SHORT).show();
}
}
#Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == PICK_IMAGE_REQUEST && resultCode == RESULT_OK && data != null && data.getData() != null) {
Uri filePath = data.getData();
try {
bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), filePath);
choiceItemImg.setImageBitmap(bitmap);
} catch (IOException e) {
e.printStackTrace();
}
}
if (requestCode == SELECT_POST_IMG && resultCode == RESULT_OK && data != null && data.getData() != null) {
Uri filePath = data.getData();
try {
bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), filePath);
choiceItemImg2.setImageBitmap(bitmap);
} catch (IOException e) {
e.printStackTrace();
}
}
}
public String getStringImage(Bitmap bmp){
ByteArrayOutputStream baos = new ByteArrayOutputStream();
bmp.compress(Bitmap.CompressFormat.JPEG, 100, baos);
byte[] imageBytes = baos.toByteArray();
String encodedImage = Base64.encodeToString(imageBytes, Base64.DEFAULT);
return encodedImage;
}
public void uploadImage(){
final String GetAuthorsname = editTextAuthorsname.getText().toString();
final String GetAuthorsphone = editTextAuthorsphone.getText().toString();
final String GetTitle = editTitle.getText().toString().trim();
final String image = getStringImage(bitmap);
final String GetPrice = editTextPrice.getText().toString();
final String GetStock = textView1.getText().toString();
final String GetDescription = editTextDescription.getText().toString();
final String GetStatus = editTextStatus.getText().toString();
class UploadImage extends AsyncTask<Void,Void,String> {
ProgressDialog loading;
#Override
protected void onPreExecute() {
super.onPreExecute();
loading = ProgressDialog.show(ActivityPost.this,"Please wait...","uploading",false,false);
}
#Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
loading.dismiss();
Toast.makeText(ActivityPost.this,s, Toast.LENGTH_LONG).show();
}
#Override
protected String doInBackground(Void... params) {
RequestHandler rh = new RequestHandler();
HashMap<String,String> param = new HashMap<String,String>();
param.put(KEY_TITLE,GetTitle);
param.put(KEY_IMAGE,image);
param.put(KEY_PRICE,GetPrice);
param.put(KEY_STOCK,GetStock);
param.put(KEY_DESCRIPTION,GetDescription);
param.put(KEY_STATUS,GetStatus);
param.put(KEY_AUTHORSNAME,GetAuthorsname);
param.put(KEY_AUTHORSPHONE,GetAuthorsphone);
String result = rh.sendPostRequest(UPLOAD_URL, param);
return result;
}
}
UploadImage u = new UploadImage();
u.execute();
}
public Boolean checkPicture() {
String image = getStringImage(bitmap);
String GetPrice = editTextPrice.getText().toString();
String GetDescription = editTextDescription.getText().toString();
String GetStatus = editTextStatus.getText().toString();
editTitle.setError(null);
editTextPrice.setError(null);
editTextDescription.setError(null);
editTextStatus.setError(null);
if (image.length() == 0) {
editTitle.setError(getString(R.string.error_field_empty));
return false;
} if (GetPrice.length() == 0) {
editTextPrice.setError(getString(R.string.error_field_empty));
return false;
} if (GetDescription.length() == 0) {
editTextDescription.setError(getString(R.string.error_field_empty));
return false;
} if (GetStatus.length() == 0) {
editTextStatus.setError(getString(R.string.error_field_empty));
return false;
}
return true;
}
public Boolean checkDesc() {
String GetDescription = editTextDescription.getText().toString();
editTextDescription.setError(null);
if (GetDescription.length() == 0) {
editTextDescription.setError(getString(R.string.error_field_empty));
return false;
}
return true;
}
public Boolean checkProductName() {
String GetTitle = editTitle.getText().toString();
editTitle.setError(null);
if (GetTitle.length() == 0) {
editTitle.setError(getString(R.string.error_field_empty));
return false;
}
return true;
}
public Boolean checkCategory() {
String GetStock = textView1.getText().toString();
textView1.setError(null);
if (GetStock.length() == 0) {
editTitle.setError(getString(R.string.error_field_empty));
return false;
}
return true;
}
#Override
public void onClick(View v) {
if(v == buttonChoose){
showFileChooser();
//imageFromGallery();
}
if(v == buttonUpload){
// checkUsername();
if (!ThisApplication.getInstance().isConnected()) {
Toast.makeText(getApplicationContext(), R.string.msg_network_error, Toast.LENGTH_SHORT).show();
} else if (!checkProductName() || !checkDesc() || !checkCategory()) {
} else {
uploadImage();
}
}
}
#Override
public void onBackPressed(){
finish();
}
#Override
public void onDestroy() {
super.onDestroy();
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_new_item, menu);
return true;
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.sync:
Intent intent = getIntent();
finish();
startActivity(intent);
return true;
case R.id.action_post:
uploadImage();
default:
return super.onOptionsItemSelected(item);
}
}
}

Android Application Not Responding Error

I twice get anr when i swipe the app from recent activities. And then the app works fine also I get an anr when I switch to landscape mode. The app works as expected as long as it is not oriented landscape or swiped from recent apps.
Can someone point out what I am doing wrong here.
Thanks
MyService.java:
public class MyService extends Service {
public static boolean started = false;
public static String TRANSACTION_DONE = "com.example.root.project";
private WebSocketClient client = null;
public static SQLiteDatabase myDataBase = null;
#Nullable
#Override
public IBinder onBind(Intent intent) {
return null;
}
#Override
public int onStartCommand(final Intent intent, int flags, int startId) {
if(started){
String message = intent.getStringExtra("message");
if(client != null){
client.send(message);
}
}
if (!started) {
myDataBase = openOrCreateDatabase("Messages.db", MODE_PRIVATE, null);
myDataBase.execSQL("CREATE TABLE IF NOT EXISTS messages " +
"(tag TEXT primary key, message TEXT);");
started = true;
URI uri = null;
try {
uri = new URI(intent.getStringExtra("ip"));
} catch (URISyntaxException e) {
e.printStackTrace();
}
client = new WebSocketClient(uri) {
#Override
public void onOpen(ServerHandshake serverHandshake) {
JSONObject jsonObject = null;
try {
jsonObject = new JSONObject();
jsonObject.accumulate("addme",intent.getStringExtra("name"));
} catch (JSONException e) {
e.printStackTrace();
}
client.send(jsonObject.toString());
}
#Override
public void onMessage(String message) {
JSONObject jsonObject = null;
try {
jsonObject = new JSONObject(message);
} catch (JSONException e) {
e.printStackTrace();
}
if (jsonObject.has("resolve")) {
PendingIntent notificIntent = PendingIntent.getActivity(getApplicationContext(), 0,
new Intent(getApplicationContext(), MainActivity.class), 0);
// Builds a notification
NotificationCompat.Builder mBuilder =
null;
try {
mBuilder = new NotificationCompat.Builder(getApplicationContext())
.setSmallIcon(R.drawable.add)
.setContentTitle(jsonObject.getString("name"))
.setTicker(jsonObject.getString("resolve"))
.setContentText(jsonObject.getString("destination"));
} catch (JSONException e) {
e.printStackTrace();
}
// Defines the Intent to fire when the notification is clicked
mBuilder.setContentIntent(notificIntent);
// Set the default notification option
// DEFAULT_SOUND : Make sound
// DEFAULT_VIBRATE : Vibrate
// DEFAULT_LIGHTS : Use the default light notification
mBuilder.setDefaults(Notification.DEFAULT_ALL);
// Auto cancels the notification when clicked on in the task bar
mBuilder.setAutoCancel(true);
// Gets a NotificationManager which is used to notify the user of the background event
NotificationManager mNotificationManager =
(NotificationManager) getApplicationContext().getSystemService(Context.NOTIFICATION_SERVICE);
// Post the notification
mNotificationManager.notify((int) System.currentTimeMillis(), mBuilder.build());
} else if (jsonObject.has("remove")) {
try {
String tag = jsonObject.getString("remove");
myDataBase.execSQL("DELETE FROM messages WHERE tag = " + tag + ";");
} catch (JSONException e) {
e.printStackTrace();
}
if (isForeground(TRANSACTION_DONE)) {
Intent broadcast = new Intent(TRANSACTION_DONE);
broadcast.putExtra("message", message);
sendBroadcast(broadcast);
}
} else {
try {
myDataBase.execSQL("INSERT INTO messages (tag, message) VALUES ('" +
jsonObject.getString("tag") + "', '" + message + "');");
} catch (JSONException e) {
e.printStackTrace();
}
if (isForeground(TRANSACTION_DONE)) {
Intent broadcast = new Intent(TRANSACTION_DONE);
broadcast.putExtra("message", message);
sendBroadcast(broadcast);
}
}
}
#Override
public void onClose(int i, String s, boolean b) {
Log.d("myTag", "onClose: websocket closing ");
Toast.makeText(getApplicationContext(),"closing websocket",Toast.LENGTH_LONG).show();
}
#Override
public void onError(Exception e) {
Log.i("Websocket", "Error " + e.getMessage());
}
};
client.connect();
}
return START_STICKY;
}
#Override
public void onTaskRemoved(Intent rootIntent) {
super.onTaskRemoved(rootIntent);
Toast.makeText(getApplicationContext(),"closing client",Toast.LENGTH_LONG).show();
client.close();
}
#Override
public void onDestroy() {
super.onDestroy();
Log.d("myTag", "onDestroy: service being destroyed ");
try {
client.closeBlocking();
} catch (InterruptedException e) {
e.printStackTrace();
}
Toast.makeText(this,"Service is closing on destroy called",Toast.LENGTH_LONG).show();
}
public boolean isForeground(String myPackage) {
ActivityManager manager = (ActivityManager) getSystemService(ACTIVITY_SERVICE);
List<ActivityManager.RunningTaskInfo> runningTaskInfo = manager.getRunningTasks(1);
ComponentName componentInfo = runningTaskInfo.get(0).topActivity;
return componentInfo.getPackageName().equals(myPackage);
}
}
MainActivity.java:
public class MainActivity extends AppCompatActivity {
private CustomAdapter adapter;
private String name;
private String ip;
#Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
if (id == R.id.add) {
final AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("Title");
final View viewInflated = getLayoutInflater().inflate(R.layout.custom_dialog_layout, null);
builder.setView(viewInflated);
// Set up the buttons
builder.setPositiveButton("Publish", new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialog, int which) {
EditText editText = (EditText) viewInflated.findViewById(R.id.dialogTitle);
EditText editText2 = (EditText) viewInflated.findViewById(R.id.dialogDesc);
String title = editText.getText().toString().trim();
String desc = editText2.getText().toString().trim();
JSONObject jsonObject = new JSONObject();
try {
jsonObject.accumulate("title", title);
jsonObject.accumulate("desc", desc);
jsonObject.accumulate("name",name);
} catch (JSONException e) {
e.printStackTrace();
}
Intent intent = new Intent(MainActivity.this,MyService.class);
intent.putExtra("message",jsonObject.toString());
startService(intent);
}
});
builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
}
});
builder.show();
return true;
}
return super.onOptionsItemSelected(item);
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if(MyPreferences.isFirst(this)) {
final AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("Title");
final View viewInflated = getLayoutInflater().inflate(R.layout.login_dialog, null);
builder.setView(viewInflated);
// Set up the buttons
builder.setPositiveButton("Publish", new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialog, int which) {
EditText editText = (EditText) viewInflated.findViewById(R.id.dialogName);
EditText editText2 = (EditText) viewInflated.findViewById(R.id.dialogIp);
name = editText.getText().toString().trim();
ip = editText2.getText().toString().trim();
Intent intent = new Intent(MainActivity.this, MyService.class);
intent.putExtra("name", name);
intent.putExtra("ip", ip);
MainActivity.this.getSharedPreferences("my_preferences",MODE_PRIVATE).edit().putString("name",name).putString("ip",ip).commit();
startService(intent);
ListView listView = (ListView) findViewById(R.id.listView);
adapter = new CustomAdapter(MainActivity.this);
listView.setAdapter(adapter);
IntentFilter filter = new IntentFilter();
filter.addAction(MyService.TRANSACTION_DONE);
registerReceiver(myReceiver, filter);
new Handler().post(new Runnable() {
#Override
public void run() {
if (MyService.myDataBase == null) return;
Cursor cursor = MyService.myDataBase.rawQuery("SELECT * FROM messages", null);
int messageColumn = cursor.getColumnIndex("message");
cursor.moveToFirst();
if (cursor != null && (cursor.getCount() > 0)) {
do {
String message = cursor.getString(messageColumn);
try {
JSONObject jsonObject = new JSONObject(message);
adapter.add(jsonObject.getString("title"), jsonObject.getString("desc"), jsonObject.getString("tag"));
} catch (JSONException e) {
e.printStackTrace();
}
} while (cursor.moveToNext());
adapter.update();
}
}
});
}
});
builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
}
});
builder.show();
}else {
Intent intent = new Intent(this, MyService.class);
name = this.getSharedPreferences("my_preferences",MODE_PRIVATE).getString("name","no_name");
ip = this.getSharedPreferences("my_preferences",MODE_PRIVATE).getString("ip","no_ip");
intent.putExtra("name",name);
intent.putExtra("ip",ip);
startService(intent);
ListView listView = (ListView) findViewById(R.id.listView);
adapter = new CustomAdapter(this);
listView.setAdapter(adapter);
IntentFilter filter = new IntentFilter();
filter.addAction(MyService.TRANSACTION_DONE);
registerReceiver(myReceiver, filter);
new Handler().post(new Runnable() {
#Override
public void run() {
if (MyService.myDataBase == null) return;
Cursor cursor = MyService.myDataBase.rawQuery("SELECT * FROM messages", null);
int messageColumn = cursor.getColumnIndex("message");
cursor.moveToFirst();
if (cursor != null && (cursor.getCount() > 0)) {
do {
String message = cursor.getString(messageColumn);
try {
JSONObject jsonObject = new JSONObject(message);
adapter.add(jsonObject.getString("title"), jsonObject.getString("desc"), jsonObject.getString("tag"));
} catch (JSONException e) {
e.printStackTrace();
}
} while (cursor.moveToNext());
adapter.update();
}
}
});
}
}
#Override
protected void onDestroy() {
if (myReceiver != null) {
unregisterReceiver(myReceiver);
myReceiver = null;
}
super.onDestroy();
}
private BroadcastReceiver myReceiver = new BroadcastReceiver() {
#Override
public void onReceive(Context context, Intent intent) {
String message = intent.getStringExtra("message");
Toast.makeText(MainActivity.this,message,Toast.LENGTH_LONG).show();
JSONObject jsonObject = null;
try {
jsonObject = new JSONObject(message);
if(jsonObject.has("remove")){
adapter.remove(jsonObject.getString("remove"));
adapter.update();
}else {
adapter.add(jsonObject.getString("title"), jsonObject.getString("desc"), jsonObject.getString("tag"));
adapter.update();
}
} catch (JSONException e) {
e.printStackTrace();
}
}
};
class CustomAdapter extends BaseAdapter {
private LayoutInflater inflater;
private ArrayList<ListViewData> objects;
public void add(String title, String desc, String tag) {
objects.add(new ListViewData(title, desc, tag));
}
public void remove(String tag){
for(ListViewData data : objects){
if(data.getTag().equals(tag)){
objects.remove(data);
break;
}
}
}
public void update(){
notifyDataSetChanged();
}
private class ViewHolder {
TextView title;
TextView description;
Button resolve;
Button subscribe;
Button unSubscribe;
}
public CustomAdapter(Context context) {
inflater = LayoutInflater.from(context);
objects = new ArrayList<>();
}
public int getCount() {
return objects.size();
}
public ListViewData getItem(int position) {
return objects.get(position);
}
public long getItemId(int position) {
return position;
}
public View getView(final int position, View convertView, ViewGroup parent) {
ViewHolder holder = null;
if (convertView == null) {
holder = new ViewHolder();
convertView = inflater.inflate(R.layout.custom_list_layout, null);
holder.title = (TextView) convertView.findViewById(R.id.title);
holder.description = (TextView) convertView.findViewById(R.id.desc);
holder.resolve = (Button) convertView.findViewById(R.id.resolve);
holder.subscribe = (Button) convertView.findViewById(R.id.subscribe);
holder.unSubscribe = (Button) convertView.findViewById(R.id.unsubscribe);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
holder.title.setText(objects.get(position).getTitle());
holder.description.setText(objects.get(position).getDescription());
holder.resolve.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
final AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
builder.setTitle("Title");
final View viewInflated = getLayoutInflater().inflate(R.layout.custom_dialog2, null);
builder.setView(viewInflated);
// Set up the buttons
builder.setPositiveButton("Publish", new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialog, int which) {
EditText editText = (EditText) viewInflated.findViewById(R.id.name);
EditText editText2 = (EditText) viewInflated.findViewById(R.id.destination);
String name = editText.getText().toString().trim();
String destination = editText2.getText().toString().trim();
JSONObject jsonObject = new JSONObject();
try {
jsonObject.accumulate("name", name);
jsonObject.accumulate("destination", destination);
jsonObject.accumulate("resolve",objects.get(position).getTag());
} catch (JSONException e) {
e.printStackTrace();
}
Intent intent = new Intent(MainActivity.this,MyService.class);
intent.putExtra("message",jsonObject.toString());
startService(intent);
}
});
builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
}
});
builder.show();
}
});
holder.subscribe.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
String tag = objects.get(position).getTag();
try {
Intent intent = new Intent(MainActivity.this,MyService.class);
intent.putExtra("message",new JSONObject().accumulate("subscribe",tag).accumulate("name",name).toString());
startService(intent);
} catch (JSONException e) {
e.printStackTrace();
}
}
});
holder.unSubscribe.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
String tag = objects.get(position).getTag();
try {
Intent intent = new Intent(MainActivity.this,MyService.class);
intent.putExtra("message",new JSONObject().accumulate("unsubscribe",tag).accumulate("name",name).toString());
startService(intent);
} catch (JSONException e) {
e.printStackTrace();
}
}
});
return convertView;
}
}
}
class MyPreferences {
private static final String MY_PREFERENCES = "my_preferences";
public static boolean isFirst(Context context){
final SharedPreferences reader = context.getSharedPreferences(MY_PREFERENCES, Context.MODE_PRIVATE);
final boolean first = reader.getBoolean("is_first", true);
if(first){
final SharedPreferences.Editor editor = reader.edit();
editor.putBoolean("is_first", false);
editor.commit();
}
return first;
}
}

How do I get a gridview class to call itself on click, then on another grid item click, reference another activity?

Another class calls the GridView class below that is populated with images from a parse server, if a user clicks on a grid item, it starts the same GridView class with different bundled strings so it can pull from a different parse database class. Now at this point, when a user clicks an GridView item (from the 2nd gridview that was set up), I want it to start a different activity class.
I tried doing an if/else if statement in the onItemClick that takes the "PARSE_CLASS" bundled string but I can't seem to get that to work. I'm relatively new to android programming so I don't know the best way to do this.
public class DisplayGrid extends AppCompatActivity implements AdapterView.OnItemSelectedListener {
GridView gridView = null;
List<ParseObject> obj;
ProgressDialog loadProgress;
GridViewAdapter adapter;
Bundle extras = new Bundle();
GridViewAdapter itemGridAdapter;
private List<ImageList> imageArrayList = null;
private List<String> categoryNameArrayList = null;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.ws_display_grid);
imageArrayList = new ArrayList<ImageList>();
categoryNameArrayList = new ArrayList<String>();
gridView = (GridView) findViewById(R.id.gridView);
itemGridAdapter = new GridViewAdapter(DisplayGrid.this, imageArrayList);
gridView.setAdapter(itemGridAdapter);
new RemoteDataTask().execute();
gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
Intent i = getIntent();
Bundle itemExtras = i.getExtras();
final String activeSupplier = itemExtras.getString("SUPPLIER");
String parseClass = extras.getString("PARSE_CLASS");
#Override
public void onItemClick(AdapterView<?> arg0, View v, int position,
long arg3) {
Intent t = new Intent(getApplicationContext(), DisplayGrid.class);
extras.putString("SUPPLIER", activeSupplier);
extras.putString("PARSE_CLASS", "Items");
t.putExtras(extras);
startActivity(t);
}
});
}//end onCreate method
#Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
}
#Override
public void onNothingSelected(AdapterView<?> parent) {
}
#Override
public void onStart() {
super.onStart();
}
#Override
public void onStop() {
super.onStop();
}
//RemoteDataTask
private class RemoteDataTask extends AsyncTask<Void, Void, Void> {
#Override
protected void onPreExecute() {
super.onPreExecute();
loadProgress = new ProgressDialog(DisplayGrid.this);
loadProgress.setTitle("Images");
loadProgress.setMessage("Loading...");
loadProgress.setIndeterminate(false);
loadProgress.show();
}
#Override
protected Void doInBackground(Void... params) {
try {
Intent i = getIntent();
Bundle extras = i.getExtras();
String parseClass = extras.getString("PARSE_CLASS");
String activeSupplier = extras.getString("SUPPLIER");
String category;
ParseQuery<ParseObject> query = new ParseQuery<>(parseClass);
query.whereEqualTo("username", activeSupplier);
obj = query.find();
if (parseClass == "Items") {
category = extras.getString("CATEGORY");
query.whereEqualTo("category", category);
}
for (ParseObject categories : obj) {
//get image
ParseFile image = (ParseFile) categories.get("image");
ImageList gridBlock = new ImageList();
gridBlock.setImage(image.getUrl());
imageArrayList.add(gridBlock);
Log.i("AppInfo", "image sent to imageArrayList");
String categoryName = null;
//get category name
if (categoryName == null) {
} else {
categoryName = categories.getString("categoryName");
categoryNameArrayList.add(categoryName);
Log.i("AppInfo", categoryName);
}
}
} catch (ParseException e) {
Log.e("Error", e.getMessage());
e.printStackTrace();
}
return null;
}
#Override
protected void onPostExecute(Void result) {
gridView = (GridView) findViewById(R.id.gridView);
adapter = new GridViewAdapter(DisplayGrid.this, imageArrayList);
gridView.setAdapter(adapter);
loadProgress.dismiss();
Log.i("AppInfo", "CategoryGrid Populated");
}
}
#Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == 1 && resultCode == RESULT_OK && data != null) {
Uri selectedImage = data.getData();
try {
Bitmap bitmapImage =
MediaStore.Images.Media.getBitmap
(this.getContentResolver(), selectedImage);
ByteArrayOutputStream stream = new ByteArrayOutputStream();
bitmapImage.compress(Bitmap.CompressFormat.PNG, 100, stream);
byte[] byteArray = stream.toByteArray();
//convert to parse file
ParseFile file = new ParseFile("Img.png", byteArray);
ParseObject object = new ParseObject("Categories");
object.put("username", ParseUser.getCurrentUser().getUsername());
object.put("image", file);
object.saveInBackground(new SaveCallback() {
#Override
public void done(ParseException e) {
if (e == null) {
Toast.makeText(getApplication().getBaseContext(), "Your image has been saved", Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(getApplication().getBaseContext(), "Upload failed, please try again", Toast.LENGTH_SHORT).show();
}
}
});
} catch (IOException e) {
e.printStackTrace();
Toast.makeText(getApplication().getBaseContext(), "Upload failed, please try again", Toast.LENGTH_SHORT).show();
}
}
}
//begin getTitle method
//begin createMenu
#Override
public boolean onCreateOptionsMenu(Menu menu) {
new MenuInflater(getApplication())
.inflate(R.menu.options, menu);
return (super.onCreateOptionsMenu(menu));
}
//end createMenu
//begin onOptionsItemSelected
#Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == R.id.manufacturers) {
Intent i = new Intent(getApplicationContext(), SupplierList.class);
startActivity(i);
return true;
} else if (item.getItemId() == R.id.add) {
Intent i = new Intent(Intent.ACTION_PICK, MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(i, 1);
return true;
} else if (item.getItemId() == R.id.sign_out) {
ParseUser.logOut();
Intent i = new Intent(getApplicationContext(), MainActivity.class);
startActivity(i);
return true;
}
return (super.onOptionsItemSelected(item));
}
//end onOptionsItemSelected
}
This is what I tried. When I tried this, the second GridView wouldn't load. So I'm guessing I'm unable to retrieve the "PARSE_CLASS" bundled string the second time around.
gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
Intent i = getIntent();
Bundle itemExtras = i.getExtras();
final String activeSupplier = itemExtras.getString("SUPPLIER");
String parseClass = extras.getString("PARSE_CLASS");
#Override
public void onItemClick(AdapterView<?> arg0, View v, int position,
long arg3) {
if (parseClass == "Categories") {
Intent t = new Intent(getApplicationContext(), DisplayGrid.class);
extras.putString("SUPPLIER", activeSupplier);
extras.putString("PARSE_CLASS", "Items");
t.putExtras(extras);
startActivity(t);
} else if(parseClass == "Items"){
Intent t = new Intent(getApplicationContext(), ItemDisplay.class);
//extras.putString("SUPPLIER", activeSupplier);
//extras.putString("PARSE_CLASS", "Items");
//t.putExtras(extras);
startActivity(t);
}
}
});
ANSWER
Someone on reddit's learn programming was nice enough to point out that I had an issue with string comparisons. had to use
if(parseClass.equals("Categories")){}
instead of
if(parseClass == "Categories"){}
I feel like an idiot, hopefully someone else benefits from this long disastrous effort.
gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
Intent t = getIntent();
Bundle itemExtras = t.getExtras();
String activeSupplier = itemExtras.getString("SUPPLIER");
String parseClass = itemExtras.getString("PARSE_CLASS");
#Override
public void onItemClick(AdapterView<?> arg0, View v, int position,
long arg3) {
Log.i("AppInfo", parseClass);
if (parseClass.equals("Categories")) {
Log.i("AppInfo", parseClass);
Intent t = new Intent(getApplicationContext(), DisplayGrid.class);
String categoryName = categoryNameArrayList.get(position);
itemExtras.putString("SUPPLIER", activeSupplier);
itemExtras.putString("PARSE_CLASS", "Items");
itemExtras.putString("CATEGORY_NAME", categoryName);
t.putExtras(itemExtras);
startActivity(t);
} else if (parseClass.equals("Items")) {
Intent t = new Intent(getApplicationContext(), ItemDisplay.class);
//extras.putString("SUPPLIER", activeSupplier);
//extras.putString("PARSE_CLASS", "Items");
//t.putExtras(extras);
startActivity(t);
}
}
});

public class DisplayGrid extends AppCompatActivity implements AdapterView.OnItemSelectedListener {
GridView gridView = null;
List<ParseObject> obj;
ProgressDialog loadProgress;
GridViewAdapter adapter;
Bundle extras = new Bundle();
GridViewAdapter itemGridAdapter;
private List<ImageList> imageArrayList = null;
private List<String> categoryNameArrayList = null;
String activeSupplier;
String parseClass;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.ws_display_grid);
imageArrayList = new ArrayList<ImageList>();
categoryNameArrayList = new ArrayList<String>();
Intent i = getIntent();
if (null != i) {
Bundle itemExtras = i.getExtras();
activeSupplier = itemExtras.getString("SUPPLIER");
parseClass = itemExtras.getString("PARSE_CLASS");
}
RemoteDataTask remoteDataAsync = new RemoteDataTask();
remoteDataAsync.execute();
if(remoteDataAsync.getStatus() == AsyncTask.Status.PENDING){
// My AsyncTask has not started yet
}
if(remoteDataAsync.getStatus() == AsyncTask.Status.RUNNING){
// My AsyncTask is currently doing work in doInBackground()
}
if(remoteDataAsync.getStatus() == AsyncTask.Status.FINISHED){
// My AsyncTask is done and onPostExecute was called
gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
#Override
public void onItemClick(AdapterView<?> arg0, View v, int position,
long arg3) {
Intent t = new Intent(getApplicationContext(), DisplayGrid.class);
extras.putString("SUPPLIER", activeSupplier);
extras.putString("PARSE_CLASS", parseClass);
t.putExtras(extras);
startActivity(t);
}
});
}
#Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
}
#Override
public void onNothingSelected(AdapterView<?> parent) {
}
#Override
public void onStart() {
super.onStart();
}
#Override
public void onStop() {
super.onStop();
}
//RemoteDataTask
private class RemoteDataTask extends AsyncTask<Void, Void, Void> {
#Override
protected void onPreExecute() {
super.onPreExecute();
loadProgress = new ProgressDialog(DisplayGrid.this);
loadProgress.setTitle("Images");
loadProgress.setMessage("Loading...");
loadProgress.setIndeterminate(false);
loadProgress.show();
}
#Override
protected Void doInBackground(Void... params) {
try {
Intent i = getIntent();
Bundle extras = i.getExtras();
String parseClass = extras.getString("PARSE_CLASS");
String activeSupplier = extras.getString("SUPPLIER");
String category;
ParseQuery<ParseObject> query = new ParseQuery<>(parseClass);
query.whereEqualTo("username", activeSupplier);
obj = query.find();
if (parseClass == "Items") {
category = extras.getString("CATEGORY");
query.whereEqualTo("category", category);
}
for (ParseObject categories : obj) {
//get image
ParseFile image = (ParseFile) categories.get("image");
ImageList gridBlock = new ImageList();
gridBlock.setImage(image.getUrl());
imageArrayList.add(gridBlock);
Log.i("AppInfo", "image sent to imageArrayList");
String categoryName = null;
//get category name
if (categoryName == null) {
} else {
categoryName = categories.getString("categoryName");
categoryNameArrayList.add(categoryName);
Log.i("AppInfo", categoryName);
}
}
} catch (ParseException e) {
Log.e("Error", e.getMessage());
e.printStackTrace();
}
return null;
}
#Override
protected void onPostExecute(Void result) {
adapter = new GridViewAdapter(DisplayGrid.this, imageArrayList);
gridView.setAdapter(adapter);
loadProgress.dismiss();
Log.i("AppInfo", "CategoryGrid Populated");
}//end onCreate method
}
}
#Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == 1 && resultCode == RESULT_OK && data != null) {
Uri selectedImage = data.getData();
try {
Bitmap bitmapImage =
MediaStore.Images.Media.getBitmap
(this.getContentResolver(), selectedImage);
ByteArrayOutputStream stream = new ByteArrayOutputStream();
bitmapImage.compress(Bitmap.CompressFormat.PNG, 100, stream);
byte[] byteArray = stream.toByteArray();
//convert to parse file
ParseFile file = new ParseFile("Img.png", byteArray);
ParseObject object = new ParseObject("Categories");
object.put("username", ParseUser.getCurrentUser().getUsername());
object.put("image", file);
object.saveInBackground(new SaveCallback() {
#Override
public void done(ParseException e) {
if (e == null) {
Toast.makeText(getApplication().getBaseContext(), "Your image has been saved", Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(getApplication().getBaseContext(), "Upload failed, please try again", Toast.LENGTH_SHORT).show();
}
}
});
} catch (IOException e) {
e.printStackTrace();
Toast.makeText(getApplication().getBaseContext(), "Upload failed, please try again", Toast.LENGTH_SHORT).show();
}
}
}
//begin getTitle method
//begin createMenu
#Override
public boolean onCreateOptionsMenu(Menu menu) {
new MenuInflater(getApplication())
.inflate(R.menu.options, menu);
return (super.onCreateOptionsMenu(menu));
}
//end createMenu
//begin onOptionsItemSelected
#Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == R.id.manufacturers) {
Intent i = new Intent(getApplicationContext(), SupplierList.class);
startActivity(i);
return true;
} else if (item.getItemId() == R.id.add) {
Intent i = new Intent(Intent.ACTION_PICK, MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(i, 1);
return true;
} else if (item.getItemId() == R.id.sign_out) {
ParseUser.logOut();
Intent i = new Intent(getApplicationContext(), MainActivity.class);
startActivity(i);
return true;
}
return (super.onOptionsItemSelected(item));
}
//end onOptionsItemSelected
}

How to share connection between fragment and activity

i have bluetooth Fragment.
I have my first Activity in which the BT connection is established. There is an option presented to the user and, based on their selection, a different Activity will load.
public class BluetoothFragment extends Fragment {
private NameMappingDataSource mName;
private DeviceAutoConnectDataSource deviceAutoConnect;
private ActivateDatasource activateDatasource;
List<DisplayNameMapping> dataItemsdevice = new ArrayList<DisplayNameMapping>();
private static final String TAG = "BluetoothChatFragment";
private static final int REQUEST_CONNECT_DEVICE_SECURE = 1;
private static final int REQUEST_CONNECT_DEVICE_INSECURE = 2;
private static final int REQUEST_ENABLE_BT = 3;
private ListView mConversationView;
private EditText mOutEditText;
private Button mSendButton;
private String mConnectedDeviceName = null;
private String mConnectedDeviceAddress = null;
private ArrayAdapter<String> mConversationArrayAdapter;
private StringBuffer mOutStringBuffer;
private BluetoothAdapter mBluetoothAdapter = null;
private BluetoothService mMessage = null;
private Context context;
boolean mBound = false;
#Override
public Context getContext() {
return context;
}
public void setContext(Context context) {
this.context = context;
}
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mName = new NameMappingDataSource(getActivity());
deviceAutoConnect = new DeviceAutoConnectDataSource(getActivity());
activateDatasource = new ActivateDatasource(getActivity());
setHasOptionsMenu(true);
mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
if (mBluetoothAdapter == null) {
FragmentActivity activity = getActivity();
Toast.makeText(activity, "Bluetooth is not available", Toast.LENGTH_LONG).show();
activity.finish();
}
}
#Override
public void onStart() {
super.onStart();
if (!mBluetoothAdapter.isEnabled()) {
Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
} else if (mMessage == null) {
setupChat();
}
}
#Override
public void onDestroy() {
super.onDestroy();
if (mMessage != null) {
mMessage.stop();
}
}
#Override
public void onResume() {
super.onResume();
if (mMessage != null) {
if (mMessage.getState() == BluetoothService.STATE_NONE) {
mMessage.start();
}
}
#Override
public View onCreateView(LayoutInflater inflater, #Nullable ViewGroup container,
#Nullable Bundle savedInstanceState) {
return inflater.inflate(R.layout.fragment_bluetooth_chat, container, false);
}
#Override
public void onViewCreated(View view, #Nullable Bundle savedInstanceState) {
mConversationView = (ListView) view.findViewById(R.id.in);
mOutEditText = (EditText) view.findViewById(R.id.edit_text_out);
mSendButton = (Button) view.findViewById(R.id.button_send);
}
private void setupChat() {
mConversationArrayAdapter = new ArrayAdapter<String>(getActivity(), R.layout.message);
mConversationView.setAdapter(mConversationArrayAdapter);
mOutEditText.setOnEditorActionListener(mWriteListener);
mSendButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
View view = getView();
if (null != view) {
TextView textView = (TextView) view.findViewById(R.id.edit_text_out);
String message = textView.getText().toString();
sendMessage(message.getBytes());
}
}
});
final Button testButton = (Button) getActivity().findViewById(R.id.button1);
testButton.setTag(1);
testButton.setBackgroundResource(R.drawable.open);
testButton.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
final int status = (Integer) v.getTag();
if (status == 1) {
v.setTag(0);
} else {
testButton.setBackgroundResource(R.drawable.open);
v.setTag(1);
}
}
});
mMessage = new BluetoothService(getActivity(), mHandler);
mOutStringBuffer = new StringBuffer("");
}
private void ensureDiscoverable() {
if (mBluetoothAdapter.getScanMode() !=
BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE) {
Intent discoverableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
discoverableIntent.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 300);
startActivity(discoverableIntent);
}
}
public void sendMessage(byte[] message) {
if (mMessage.getState() != BluetoothService.STATE_CONNECTED) {
Toast.makeText(getActivity(), R.string.not_connected, Toast.LENGTH_SHORT).show();
return;
}
if (message.length > 0) {
mMessage.write(message);
mOutStringBuffer.setLength(0);
mOutEditText.setText(mOutStringBuffer);
}
}
private TextView.OnEditorActionListener mWriteListener
= new TextView.OnEditorActionListener() {
public boolean onEditorAction(TextView view, int actionId, KeyEvent event) {
// If the action is a key-up event on the return key, send the message
if (actionId == EditorInfo.IME_NULL && event.getAction() == KeyEvent.ACTION_UP) {
String message = view.getText().toString();
sendMessage(message.getBytes());
}
return true;
}
};
private void setStatus(int resId) {
FragmentActivity activity = getActivity();
if (null == activity) {
return;
}
final ActionBar actionBar = activity.getActionBar();
if (null == actionBar) {
return;
}
actionBar.setSubtitle(resId);
}
private void setStatus(CharSequence subTitle) {
FragmentActivity activity = getActivity();
if (null == activity) {
return;
}
final ActionBar actionBar = activity.getActionBar();
if (null == actionBar) {
return;
}
actionBar.setSubtitle(subTitle);
}
private final Handler mHandler = new Handler() {
#Override
public void handleMessage(Message msg) {
int t = 0;
FragmentActivity activity = getActivity();
switch (msg.what) {
case Constants.MESSAGE_STATE_CHANGE:
switch (msg.arg1) {
case BluetoothService.STATE_CONNECTED:
setStatus(getString(R.string.title_connected_to, mConnectedDeviceName));
mConversationArrayAdapter.clear();
break;
case BluetoothService.STATE_CONNECTING:
setStatus(R.string.title_connecting);
break;
case BluetoothService.STATE_LISTEN:
case BluetoothService.STATE_NONE:
setStatus(R.string.title_not_connected);
break;
}
break;
case Constants.MESSAGE_WRITE:
byte[] writeBuf = (byte[]) msg.obj;
mConversationArrayAdapter.add("Me: " + writeBuf);
break;
case Constants.MESSAGE_READ:
byte[] readBuf = (byte[]) msg.obj;
String readMessage = new String(readBuf, 0, msg.arg1);
mConversationArrayAdapter.add(mConnectedDeviceName + ": " + readMessage);
break;
case Constants.MESSAGE_DEVICE_NAME:
mConnectedDeviceName = msg.getData().getString(Constants.DEVICE_NAME);
mConnectedDeviceAddress = msg.getData().getString(Constants.DEVICE_ADDRESS);
if (null != activity) {
Toast.makeText(activity, "Connected to "
+ mConnectedDeviceName, Toast.LENGTH_SHORT).show();
}
break;
case Constants.MESSAGE_TOAST:
if (null != activity) {
Toast.makeText(activity, msg.getData().getString(Constants.TOAST),
Toast.LENGTH_SHORT).show();
mConnectedDeviceAddress=null;
}
break;
}
}
};
public void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode) {
case REQUEST_CONNECT_DEVICE_SECURE:
if (resultCode == Activity.RESULT_OK) {
connectDevice(data, true);
}
break;
case REQUEST_CONNECT_DEVICE_INSECURE:
if (resultCode == Activity.RESULT_OK) {
connectDevice(data, false);
}
break;
case REQUEST_ENABLE_BT:
if (resultCode == Activity.RESULT_OK) {
setupChat();
} else {
Log.d(TAG, "BT not enabled");
Toast.makeText(getActivity(), R.string.bt_not_enabled_leaving,
Toast.LENGTH_SHORT).show();
getActivity().finish();
}
}
}
private void connectDevice(Intent data, boolean secure) {
String address = data.getExtras()
.getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);
mMessage.connect(device, secure);
}
#Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
inflater.inflate(R.menu.bluetooth_chat, menu);
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.secure_connect_scan: {
Intent serverIntent = new Intent(this.context, DeviceListActivity.class);
startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE_SECURE);
return true;
}
case R.id.insecure_connect_scan: {
Intent serverIntent = new Intent(this.context, DeviceListActivity.class);
startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE_INSECURE);
return true;
}
case R.id.discoverable: {
ensureDiscoverable();
return true;
}
case R.id.menu_user: {
if(mConnectedDeviceAddress!=null) {
mName.open();
List<DisplayNameMapping> str = mName.getDisplayNameMappingLiked(mConnectedDeviceAddress);
mName.close();
String setname = str.get(0).getDisplay_name();
showInputDialogCheckPWAdminUser(setname, mConnectedDeviceAddress);
}
return true;
}
case R.id.menu_history: {
Intent userIntent = new Intent(getActivity(),UserListActivity.class);
userIntent.putExtra("addressdevice", mdeviceaddress);
startActivity(userIntent);
}
}
return false;
}
}
How to send message to here used connection of bletoothfragment.class
Please help me. I don't know
public class UserListActivity extends Activity implements UserListAdapter.customButtonListener {
Button btnadduser,btnconfig;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
context=this;
getActionBar().setDisplayHomeAsUpEnabled(true);
userdata = new UserDataSource(this);
namedata = new NameMappingDataSource(this);
userdevicedata=new UserDeviceDatasource(this);
setContentView(R.layout.activity_user_list);
btnconfig=(Button) findViewById(R.id.btnconfig);
btnconfig.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
try {
'How to send message to here used connection of bletoothfragment.class '
} catch (Exception ex) {
}
}
});
}
public void onButtonClickListner(int position, String value) {
}
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
this.finish();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
}

You can save last connected device address and then you can use it.
String address = intent.getExtras()
.getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
// Get the BluetoothDevice object
BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);
// Attempt to connect to the device
mChatService.connect(device, secure);

Retrieving data from Parse

I manage to have the user record information name, headline, age, and even gender selection as well as gender preference in parse. Now I want to be able to retrieve the information, with conditions. For instance, if the current user selected that he is looking for a female, than it would only display queryequal female.
Below is the code where the user enter the information that is submitted to parse:
public class ProfileCreation extends Activity {
private static final int RESULT_LOAD_IMAGE = 1;
FrameLayout layout;
Button save;
protected EditText mName;
protected EditText mAge;
protected EditText mHeadline;
protected ImageView mprofilePicture;
RadioButton male, female;
String gender;
RadioButton lmale, lfemale;
String lgender;
protected Button mConfirm;
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_profile_creation);
RelativeLayout v = (RelativeLayout) findViewById(R.id.main);
v.requestFocus();
Parse.initialize(this, "ID", "ID");
mName = (EditText)findViewById(R.id.etxtname);
mAge = (EditText)findViewById(R.id.etxtage);
mHeadline = (EditText)findViewById(R.id.etxtheadline);
mprofilePicture = (ImageView)findViewById(R.id.profilePicturePreview);
male = (RadioButton)findViewById(R.id.rimale);
female = (RadioButton)findViewById(R.id.rifemale);
lmale = (RadioButton)findViewById(R.id.rlmale);
lfemale = (RadioButton)findViewById(R.id.rlfemale);
mConfirm = (Button)findViewById(R.id.btnConfirm);
mConfirm.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
String name = mName.getText().toString();
String age = mAge.getText().toString();
String headline = mHeadline.getText().toString();
age = age.trim();
name = name.trim();
headline = headline.trim();
if (age.isEmpty() || name.isEmpty() || headline.isEmpty()) {
AlertDialog.Builder builder = new AlertDialog.Builder(ProfileCreation.this);
builder.setMessage(R.string.signup_error_message)
.setTitle(R.string.signup_error_title)
.setPositiveButton(android.R.string.ok, null);
AlertDialog dialog = builder.create();
dialog.show();
}
else {
// create the new user!
setProgressBarIndeterminateVisibility(true);
ParseUser currentUser = ParseUser.getCurrentUser();
/* // Locate the image from the ImageView
Bitmap bitmap = BitmapFactory.decodeResource(getResources(),
fron image view);
// Convert it to byte
ByteArrayOutputStream stream = new ByteArrayOutputStream();
// Compress image to lower quality scale 1 - 100
bitmap.compress(Bitmap.CompressFormat.PNG, 100, stream);
byte[] image = stream.toByteArray();
// Create the ParseFile
ParseFile file = new ParseFile("profilePicture.png", image);
// Upload the image into Parse Cloud
file.saveInBackground();
// Create a column named "ImageName" and set the string
currentUser.put("ImageName", "AndroidBegin Logo");
// Create a column named "ImageFile" and insert the image
currentUser.put("ProfilePicture", file);
// Create the class and the columns
currentUser.saveInBackground(); */
if(male.isChecked())
gender = "Male";
else
gender = "Female";
if(lmale.isChecked())
lgender = "Male";
else
lgender = "Female";
currentUser.put("Name", name);
currentUser.put("Age", age);
currentUser.put("Headline", headline);
currentUser.put("Gender", gender);
currentUser.put("Looking_Gender", lgender);
currentUser.saveInBackground(new SaveCallback() {
#Override
public void done(ParseException e) {
setProgressBarIndeterminateVisibility(false);
if (e == null) {
// Success!
Intent intent = new Intent(ProfileCreation.this, MoodActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
startActivity(intent);
}
else {
AlertDialog.Builder builder = new AlertDialog.Builder(ProfileCreation.this);
builder.setMessage(e.getMessage())
.setTitle(R.string.signup_error_title)
.setPositiveButton(android.R.string.ok, null);
AlertDialog dialog = builder.create();
dialog.show();
}
}
});
}
}
});
SeekBar seekBar = (SeekBar) findViewById(R.id.seekBarDistance);
final TextView seekBarValue = (TextView) findViewById(R.id.seekBarDistanceValue);
seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
#Override
public void onProgressChanged(SeekBar seekBar, int progress,
boolean fromUser) {
// TODO Auto-generated method stub
seekBarValue.setText(String.valueOf(progress));
}
#Override
public void onStartTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
#Override
public void onStopTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
}); // Add this
Button mcancel = (Button)findViewById(R.id.btnBack);
mcancel.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
ProfileCreation.this.startActivity(new Intent(ProfileCreation.this, LoginActivity.class));
}
});
SeekBar seekBarMinimum = (SeekBar) findViewById(R.id.seekBarMinimumAge);
final TextView txtMinimum = (TextView) findViewById(R.id.tMinAge);
seekBarMinimum.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
#Override
public void onProgressChanged(SeekBar seekBar, int progress,
boolean fromUser) {
// TODO Auto-generated method stub
txtMinimum.setText(String.valueOf(progress));
}
#Override
public void onStartTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
#Override
public void onStopTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
}); // Add this
SeekBar seekBarMaximum = (SeekBar) findViewById(R.id.seekBarMaximumAge);
final TextView txtMaximum = (TextView) findViewById(R.id.tMaxAge);
seekBarMaximum.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
#Override
public void onProgressChanged(SeekBar seekBar, int progress,
boolean fromUser) {
// TODO Auto-generated method stub
txtMaximum.setText(String.valueOf(progress));
}
#Override
public void onStartTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
#Override
public void onStopTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
}); // Add this
Button buttonLoadImage = (Button) findViewById(R.id.btnPictureSelect);
buttonLoadImage.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View arg0) {
Intent i = new Intent(
Intent.ACTION_PICK,
android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(i, RESULT_LOAD_IMAGE);
}
});
}
#Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == RESULT_LOAD_IMAGE && resultCode == RESULT_OK
&& null != data) {
Uri selectedImage = data.getData();
String[] filePathColumn = { MediaStore.Images.Media.DATA };
Cursor cursor = getContentResolver().query(selectedImage,
filePathColumn, null, null, null);
cursor.moveToFirst();
int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
String picturePath = cursor.getString(columnIndex);
cursor.close();
ImageView imageView = (ImageView) findViewById(R.id.profilePicturePreview);
imageView.setImageBitmap(BitmapFactory.decodeFile(picturePath));
}
}
private byte[] readInFile(String path) throws IOException {
// TODO Auto-generated method stub
byte[] data = null;
File file = new File(path);
InputStream input_stream = new BufferedInputStream(new FileInputStream(
file));
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
data = new byte[16384]; // 16K
int bytes_read;
while ((bytes_read = input_stream.read(data, 0, data.length)) != -1) {
buffer.write(data, 0, bytes_read);
}
input_stream.close();
return buffer.toByteArray();
}
}
Below is the code that I am brainstorming could be used to retrieved information:
currentUserId = ParseUser.getCurrentUser().getObjectId();
names = new ArrayList<String>();
// String userActivitySelectionName = "";
ParseQuery<ParseUser> query = ParseUser.getQuery();
query.whereNotEqualTo("objectId", currentUserId);
query.whereEqualTo("ActivityName","");
query.whereNotEqualTo("Looking_Gender",currentUserID);
The issue i have now is setting a condition, where if a guy wants to be match with guy so only those guys who want to be match with guys information returns, and vice-versa for women.
Let me know, if this is fine.
Thanks in advance.

The following line will ensure that the Users returned are only users who match the gender for which the current user is looking. That is, if I'm looking for a female, the constraint below will ensure that only females are returned.
query.whereEqualTo("Gender", ParseUser.getCurrentUser().getString("Looking_Gender"));
The following line will ensure that the Users returned are only users who are looking for other users that match the gender for which I am. That is, if I'm a male, the constraint below will ensure that only users who are looking for males will be returned.
query.whereEqualTo("Looking_Gender", ParseUser.getCurrentUser().getString("Gender"));
If I understand your question correctly, using the above two constraints together should achieve what you're looking for.