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Zxing Scanner App, How to show a result as a yes or no?

Using zxing on Android Studio with empty activity and 4.4 KitKat. I would like to show the result as a yes or no. I would like to reference a google sheet with the UPC codes. If the UPC is in the spreadsheet already then show "YES" or if the UPC is not in the spreadsheet show "NO". Can I use an "If, Else" in the MainActivity java code using only the UPC column on the google sheet?
#Override
protected void onActivityResult ( int requestCode, int resultCode, Intent data){
IntentResult result = IntentIntegrator.parseActivityResult(requestCode, resultCode, data);
if (result != null) {
if (result.getContents() == null) {
Log.d("MainActivity", "Cancelled scan");
Toast.makeText(this, "Cancelled", Toast.LENGTH_LONG).show();
} else {
Log.d("MainActivity", "Scanned");
Toast.makeText(this, "Scanned: " + result.getContents(), Toast.LENGTH_LONG).show();
}
} else {
super.onActivityResult(requestCode, resultCode, data);
I want to show this code as a "Yes" or "NO" based on if the scanned barcode is already in the spreadsheet. My question is how to get the spreadsheet to communicate with the scanner or can copy all of the barcodes from the spreadsheet in a boolean?
Set<String> getStringSet (String key,
Set<String> defValues)
makeText(Context context, int resId, int duration)
protected void onActivityResult ( int requestCode, int resultCode, Intent data){
IntentResult result = IntentIntegrator.parseActivityResult(requestCode, resultCode, data);
if (result != null) {
if (result.getContents() == null) {
Log.d("MainActivity", "Cancelled scan");
Toast.makeText(this, "Cancelled", Toast.LENGTH_LONG).show();
} else {
Log.d("MainActivity", "Scanned");
Toast.makeText(this, "Scanned: " + result.getContents(), Toast.LENGTH_LONG).show();
}
So above is what ive come up with from search. Is it practical to use shared preference to store my data(1000 UPC) use ZXING to parse as well as IF ELSE to check the code and finally TOAST to show "YES" or "NO" based on if my result is located in the shared preference?
public class MainActivity extends AppCompatActivity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button button = this.findViewById(R.id.button);
final Activity activity = this;
button.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
IntentIntegrator integrator = new IntentIntegrator(activity);
integrator.setDesiredBarcodeFormats(IntentIntegrator.ALL_CODE_TYPES);
integrator.setPrompt("Scan");
integrator.setCameraId(0);
integrator.setBeepEnabled(false);
integrator.setBarcodeImageEnabled(false);
integrator.initiateScan();
}
});
}
#Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
IntentResult result = IntentIntegrator.parseActivityResult(requestCode, resultCode, data);
if (result != null) {
if (result.getContents() == null) {
Log.d("MainActivity", "Cancelled scan");
Toast.makeText(this, "Cancelled", Toast.LENGTH_LONG).show();
} else {
Log.d("MainActivity", "Scanned");
Toast.makeText(this, "Scanned: " + result.getContents(), Toast.LENGTH_LONG).show();
}
} else {
super.onActivityResult(requestCode, resultCode, data);
}
}
public void scanCode(View view) {
}
public class myWebView extends MainActivity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
WebView webview = new WebView(this);
setContentView(webview);
WebView myWebView = findViewById(R.id.myWebView);
myWebView.setWebViewClient(new MyWebViewClient());
WebSettings webSettings = myWebView.getSettings();
webSettings.setJavaScriptEnabled(true);
webview.loadUrl("https://google.com/");
}
private class MyWebViewClient extends WebViewClient {
#Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
startActivity(intent);
return true;
}
}
}
}

for segregation of code you need to create SacnActivity as a separate activity which is extend Activity and impliments ZXingScannerView.ResultHandler and call from the MainActivity and give call back to Mainactivity in onActivityResult().
MainActivity
public class MainActivity extends Activity{
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
scan = (Button)findViewById(R.id.btnScan);
scan.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
startActivityForResult(new Intent(MainActivity.this,SacnActivity .class),1);
}
});
}
#Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == 1) {
if(resultCode == Activity.RESULT_OK){
String result=data.getStringExtra("result");
Log.d("result================>",""+result);
try {
//processData(result);
} catch (Exception e) {
e.printStackTrace();
}
}
if (resultCode == Activity.RESULT_CANCELED) {

How to use in-built voice recognition in my Android app?

I want to use offline voice recognition in my app.
Setting -> “Language and Input” -> "Google Voice Typing" -> "Offline speech recognition" :- I would like to use this built-in feature.
In the below code, I tried to implement it using Recognizer Intent, but it uses the Google voice search (works online). Please help.
public class MainActivity extends AppCompatActivity {
private TextView txtSpeechInput;
private ImageButton btnSpeak;
private final int REQ_CODE_SPEECH_INPUT = 100;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
promptSpeechInput();
//onCreateOptionsMenu();
}
private void promptSpeechInput() {
Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,
RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE, Locale.getDefault());
intent.putExtra(RecognizerIntent.EXTRA_PROMPT,
getString(R.string.speech_prompt));
try {
startActivityForResult(intent, REQ_CODE_SPEECH_INPUT);
} catch (ActivityNotFoundException a) {
Toast.makeText(getApplicationContext(),
getString(R.string.speech_not_supported),
Toast.LENGTH_SHORT).show();
}
}
#Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
switch (requestCode) {
case REQ_CODE_SPEECH_INPUT: {
if (resultCode == RESULT_OK && null != data) {
ArrayList<String> result = data
.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);
//txtSpeechInput.setText(result.get(0));
{
String a="camera";
if(a.compareTo(result.get(0))==0){
Intent i = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
if (i.resolveActivity(getPackageManager()) != null) {
startActivityForResult(i, 1);
}
}
}
}
break;
}
}
}
Well, here I am sending intent to camera via voice. So, I have a limited vocabulary requirement here.

Try this:
intent.putExtra(RecognizerIntent.EXTRA_PREFER_OFFLINE,true);
Note: This will work only on API level 23 and above.

Voice Recognition without Google Dialog

I am trying to use the Speech recognition without dialog with RecognitionListener, but it doesn't work. The following codes are the way now I use, and the bottom codes (test part) are for checking that could phone receive my commanding. Additionally, I have added permissions Audio. Finally, I don't want there have any button.
This is my first time asking question, so hope I dont violate any unspoken rules.
Thank you very much,
public class Step extends AppCompatActivity {
private final int SPEECH_RECOGNITION_CODE = 1;
private TextView txtOutput;
private Button btnMicrophone;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_step);
txtOutput = (TextView) findViewById(R.id.txt_output);
btnMicrophone = (Button) findViewById(R.id.btn_mic);
startSpeechToText();
btnMicrophone.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
startSpeechToText();
}
});
}
private void startSpeechToText() {
Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE, Locale.getDefault());
intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
intent.putExtra(RecognizerIntent.EXTRA_PROMPT, "SPEAK");
try {
startActivityForResult(intent, SPEECH_RECOGNITION_CODE);
} catch (ActivityNotFoundException a) {
Toast.makeText(getApplicationContext(), "Sorry! Speech recognition is not supported in this device.", Toast.LENGTH_SHORT).show();
}
}
#Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
switch (requestCode) {
case SPEECH_RECOGNITION_CODE: {
if (resultCode == RESULT_OK && null != data) {
ArrayList<String> result = data
.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);
String text = result.get(0);
txtOutput.setText(text);
test(txtOutput.getText().toString());
startSpeechToText();
}
break;
}
}
}
public void test (String com) {
for(int i=0;i<com.length();i++) {
if (com.startsWith("good",i)) {
com = com + "123";
Toast.makeText(CookStep.this, com, Toast.LENGTH_SHORT).show();
}
}
if(com.compareToIgnoreCase("OK")==0){
com=com+"456";
Toast.makeText(CookStep.this, com, Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(CookStep.this, com, Toast.LENGTH_SHORT).show();
}
}
}

Why is onActivityResult is called before a contact is chosen?

I'm following the answer https://stackoverflow.com/a/867828/129805 to add a contact picker to my app.
The problem is that onActivityResult is immediately invoked with the correct reqCode (PICK_CONTACT), but with aresultCode of 0 and a null for data.
It is not invoked again, when the user actually picks a contact.
The AndroidManifest gives this activity android:launchMode="singleInstance"> as I only ever want there to be one instance.
What have I done wrong?
MainActivity.java:
#Override
protected void onCreate(Bundle savedInstanceState) {
...
addContactButton = (Button) findViewById(R.id.addContactButton);
addContactButton.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
Intent intent = new Intent(Intent.ACTION_PICK, ContactsContract.Contacts.CONTENT_URI);
startActivityForResult(intent, PICK_CONTACT);
}
});
}
#Override
public void onActivityResult(int reqCode, int resultCode, Intent data) {
Log.d(TAG, "onActivityResult");
super.onActivityResult(reqCode, resultCode, data);
switch (reqCode) {
case (PICK_CONTACT) :
if (resultCode == Activity.RESULT_OK) {
Uri contactData = data.getData();
Cursor c = getContentResolver().query(contactData, null, null, null, null);
if (c.moveToFirst()) {
String name = c.getString(c.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
// TODO Whatever you want to do with the selected contact name.
Log.d(TAG, "you chose " + name + ".");
}
}
break;
}
}

The singleInstance fires the callback immediately. You have more info in this link

Facebook - Post to wall

I have this code.. The only working here is the Login... I want to achieve the Publish to wall or feed dialog.. I have here the code for the wall post but It still not working.. Any help will be appreciated... I followed this link for my Login
[a link] http://www.kpbird.com/2013/03/android-login-using-facebook-sdk-30.html
I am trying to embed the post status in this Login..
public class FacebookActivity extends FragmentActivity {
private Button publishButton;
private String TAG = "FacebookActivity";
private TextView lblEmail;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.facebook_activity);
lblEmail = (TextView) findViewById(R.id.lblEmail);
LoginButton authButton = (LoginButton) findViewById(R.id.authButton);
authButton.setOnErrorListener(new OnErrorListener(){
#Override
public void onError(FacebookException error) {
Log.i(TAG, "Error " + error.getMessage());
}
// TODO Auto-generated method stub
});
// set permission list, Don't forget to add email
authButton.setReadPermissions(Arrays.asList("basic_info","email"));
// session state call back event
authButton.setSessionStatusCallback(new Session.StatusCallback() {
#Override
public void call(Session session, SessionState state, Exception exception) {
if (session.isOpened()) {
Log.i(TAG,"Access Token"+ session.getAccessToken());
Request.executeMeRequestAsync(session,
new Request.GraphUserCallback() {
#Override
public void onCompleted(GraphUser user,Response response) {
if (user != null) {
Log.i(TAG,"User ID "+ user.getId());
Log.i(TAG,"Email "+ user.asMap().get("email"));
lblEmail.setText(user.asMap().get("email").toString());
}
}
});
publishButton.setVisibility(View.VISIBLE);
}
else if (state.isClosed()) {
publishButton.setVisibility(View.INVISIBLE);
}
}
});
publishButton = (Button) findViewById(R.id.publishButton);
publishButton.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
publishFeedDialog();
}
});
}
private void publishFeedDialog() {
Bundle params = new Bundle();
params.putString("name", "Facebook SDK for Android");
params.putString("caption", "Build great social apps and get more installs.");
params.putString("description", "The Facebook SDK for Android makes it easier and faster to develop Facebook integrated Android apps.");
params.putString("link", "https://developers.facebook.com/android");
params.putString("picture", "https://raw.github.com/fbsamples/ios-3.x-howtos/master/Images/iossdk_logo.png");
WebDialog feedDialog = (
new WebDialog.FeedDialogBuilder(getActivity(),
Session.getActiveSession(),
params))
.setOnCompleteListener(new OnCompleteListener() {
#Override
public void onComplete(Bundle values,
FacebookException error) {
if (error == null) {
// When the story is posted, echo the success
// and the post Id.
final String postId = values.getString("post_id");
if (postId != null) {
Toast.makeText(getActivity(),
"Posted story, id: "+postId,
Toast.LENGTH_SHORT).show();
} else {
// User clicked the Cancel button
Toast.makeText(getActivity().getApplicationContext(),
"Publish cancelled",
Toast.LENGTH_SHORT).show();
}
} else if (error instanceof FacebookOperationCanceledException) {
// User clicked the "x" button
Toast.makeText(getActivity().getApplicationContext(),
"Publish cancelled",
Toast.LENGTH_SHORT).show();
} else {
// Generic, ex: network error
Toast.makeText(getActivity().getApplicationContext(),
"Error posting story",
Toast.LENGTH_SHORT).show();
}
}
})
.build();
feedDialog.show();
}
protected ContextWrapper getActivity() {
// TODO Auto-generated method stub
return null;
}
#Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
Session.getActiveSession().onActivityResult(this, requestCode, resultCode, data);
}
}