Losing state of the activity when navigating from notification to activity - java

I have an activity named Player Activity in which I am streaming music with the help of MediaPlayer API. Whenever my activity is created a notification is displayed which has some basic control of the music player.
So when I tap on my notification it jumps back to the Player Activity, but the state of the activity is lost.
Before tapping on notification :
After tapping on notification :
Here is the code of my notification's Pending Intent
Intent notifyIntent = new Intent(context, PlayerActivity.class);
notifyIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NEW_TASK);
notifyIntent.setAction("android.intent.action.MAIN");
notifyIntent.addCategory("android.intent.category.LAUNCHER");
PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, notifyIntent, PendingIntent.FLAG_UPDATE_CURRENT);
Here is the code for PlayerActivity.java :
package com.example.user.musicplayer;
import android.app.ProgressDialog;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.media.MediaMetadataRetriever;
import android.media.MediaPlayer;
import android.os.AsyncTask;
import android.os.Handler;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.SeekBar;
import android.widget.TextView;
import android.widget.Toast;
import com.squareup.picasso.Picasso;
import java.util.concurrent.TimeUnit;
import de.hdodenhof.circleimageview.CircleImageView;
public class PlayerActivity extends AppCompatActivity implements MediaPlayer.OnBufferingUpdateListener,MediaPlayer.OnCompletionListener{
private static Button btn_play_pause;
private Button btnToggleRepeat;
private Button btnStop;
private SeekBar seekBar;
private TextView textView;
public static MediaPlayer mediaPlayer;
private int mediaFileLength;
private int realtimeLength;
private String musicUrl;
private String imageUrl;
final Handler handler = new Handler();
private boolean isRepeat;
private CircleImageView musicImage;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_player);
Log.d("TAG", "onCreate");
NotificationGenerator.customBigNotification(getApplicationContext());
musicUrl = getIntent().getStringExtra("musicUrl");
imageUrl = getIntent().getStringExtra("imageUrl");
seekBar = (SeekBar)findViewById(R.id.seekbar);
seekBar.setMax(99); // 100% (0~99)
seekBar.setOnTouchListener(new View.OnTouchListener() {
#Override
public boolean onTouch(View v, MotionEvent event) {
if(mediaPlayer.isPlaying())
{
SeekBar seekBar = (SeekBar)v;
int playPosition = (mediaFileLength/100)*seekBar.getProgress();
mediaPlayer.seekTo(playPosition);
}
return false;
}
});
textView = (TextView)findViewById(R.id.txtTime);
btnToggleRepeat = findViewById(R.id.btnRepeat);
btnStop = findViewById(R.id.btnStop);
musicImage = findViewById(R.id.musicImgView);
Picasso.get().load(imageUrl).placeholder(R.drawable.music).error(R.drawable.music).into(musicImage);
btn_play_pause = (Button) findViewById(R.id.btnTogglePlay);
btn_play_pause.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
final ProgressDialog mDialog = new ProgressDialog(PlayerActivity.this);
AsyncTask<String,String,String> mp3Play = new AsyncTask<String, String, String>() {
#Override
protected void onPreExecute() {
mDialog.setMessage("Please wait");
mDialog.show();
}
#Override
protected String doInBackground(String... params) {
try{
mediaPlayer.setDataSource(params[0]);
mediaPlayer.prepare();
}
catch (Exception ex)
{
}
return "";
}
#Override
protected void onPostExecute(String s) {
mediaFileLength = mediaPlayer.getDuration();
realtimeLength = mediaFileLength;
if(!mediaPlayer.isPlaying())
{
playMusic();
}
else
{
pauseMusic();
}
updateSeekBar();
mDialog.dismiss();
}
};
mp3Play.execute(musicUrl); // direct link mp3 file
}
});
btnToggleRepeat.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
if(isRepeat){
isRepeat = false;
mediaPlayer.setLooping(false);
btnToggleRepeat.setText("Repeat");
}
else{
isRepeat = true;
mediaPlayer.setLooping(true);
btnToggleRepeat.setText("Single");
}
}
});
btnStop.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
try {
mediaPlayer.pause();
mediaPlayer.stop();
}
catch (Exception e){
Toast.makeText(PlayerActivity.this, "Opps! sorry something bad happened", Toast.LENGTH_SHORT).show();
}
}
});
mediaPlayer = new MediaPlayer();
mediaPlayer.setOnBufferingUpdateListener(this);
mediaPlayer.setOnCompletionListener(this);
}
public void pauseMusic() {
mediaPlayer.pause();
btn_play_pause.setText("Play");
}
public void playMusic() {
mediaPlayer.start();
btn_play_pause.setText("Pause");
}
private void updateSeekBar() {
seekBar.setProgress((int)(((float)mediaPlayer.getCurrentPosition() / mediaFileLength)*100));
if(mediaPlayer.isPlaying())
{
Runnable updater = new Runnable() {
#Override
public void run() {
updateSeekBar();
realtimeLength-=1000; // declare 1 second
textView.setText(String.format("%d:%d",TimeUnit.MILLISECONDS.toMinutes(realtimeLength),
TimeUnit.MILLISECONDS.toSeconds(realtimeLength) -
TimeUnit.MILLISECONDS.toSeconds(TimeUnit.MILLISECONDS.toMinutes(realtimeLength))));
}
};
handler.postDelayed(updater,1000); // 1 second
}
}
#Override
protected void onResume() {
super.onResume();
Log.d("TAG", "onResume");
}
#Override
protected void onStart() {
super.onStart();
Log.d("TAG", "onStart");
}
#Override
public void onBufferingUpdate(MediaPlayer mp, int percent) {
seekBar.setSecondaryProgress(percent);
}
#Override
public void onCompletion(MediaPlayer mp) {
if(!mediaPlayer.isLooping())
btn_play_pause.setText("Play");
}
#Override
protected void onStop() {
super.onStop();
}
#Override
protected void onPause() {
super.onPause();
}
public static class DownloadCancelReceiver extends BroadcastReceiver {
#Override
public void onReceive(Context context, Intent intent) {
Log.d("notificationPlayer","Received Cancelled Event");
}
}
}
Thanks in advance. Pardon me if the explanation is not clear, because if i might have right words to explain it, I would have googled it.

Add this to your PlayerActivity activity in manifest :
android:launchMode="singleTask"
And use these flags in the intent for pendingintent :
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);

Related

I am making an app which if you click on a button an audio will play but the audio is not playing in last two buttons

I am making an app which if you click on a button an audio will play but the audio is not playing in last two buttons and can you also please tell me how can I stop the audio if I click on the audio button again ?? Here's The Full Code. Thanks in Advance. It's in gdsph_btn & aspamm_btn
package com.agrimplayz.radhasoamipaath;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.widget.Button;
public class MainActivity extends AppCompatActivity {
private Button rrjk_btn, gdsph_btn, aspamm, stop_btn;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
rrjk_btn = findViewById(R.id.rrjk_btn);
final MediaPlayer mediaPlayer = MediaPlayer.create(this,R.raw.radhasoami_rakshak_jeev_ke);
rrjk_btn.setOnClickListener(new View.OnClickListener() {
int counter = 0;
#Override
public void onClick(View v) {
if(counter == 2)
mediaPlayer.pause();
mediaPlayer.start();
gdsph_btn = findViewById(R.id.gdsph_btn);
MediaPlayer mediaPlayer = MediaPlayer.create(MainActivity.this,
R.raw.guru_dhara_sheesh_par_haath);
final MediaPlayer finalMediaPlayer1 = mediaPlayer;
gdsph_btn.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
finalMediaPlayer1.start();
}
});
aspamm = findViewById(R.id.gdsph_btn);
mediaPlayer = MediaPlayer.create(MainActivity.this,
R.raw.ae_satguru_pita_aur_malik_mere);
final MediaPlayer finalMediaPlayer = mediaPlayer;
aspamm.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
finalMediaPlayer.start();
}
});
}
});
}
}
you can try this code:
public class MainActivity extends AppCompatActivity {
private Button rrjk_btn, gdsph_btn, aspamm, stop_btn;
int counter = 0;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
MediaPlayer mediaPlayer1 = MediaPlayer.create(this, R.raw.radhasoami_rakshak_jeev_ke);
rrjk_btn = findViewById(R.id.rrjk_btn);
rrjk_btn.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
if (counter == 2)
{
mediaPlayer1.pause();
}
mediaPlayer1.start();
counter++;
}
});
//
MediaPlayer mediaPlayer2 = MediaPlayer.create(MainActivity.this, R.raw.guru_dhara_sheesh_par_haath);
gdsph_btn = findViewById(R.id.gdsph_btn);
gdsph_btn.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
mediaPlayer2.start();
}
});
//
aspamm = findViewById(R.id.gdsph_btn);
MediaPlayer mediaPlayer3 = MediaPlayer.create(MainActivity.this, R.raw.ae_satguru_pita_aur_malik_mere);
aspamm.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
mediaPlayer3.start();
}
});
}
}

Runnable not works

I have problem with Runnable. It don't want to works, and i don't know what is the problem, because it is works in my other app... Can somebody help me?
Just example, there are "healt" with deafult value=5, for the test i made a button, when i click button, healt value -1... and i want start Runnable when health<5... and add +1 to health.... for the test i setted the Runnable 1 secunds
Here is the code:
MainActivity.java
package com.mygame.test;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.TextView;
import static com.mygame.test.variables.coin;
import static com.mygame.test.variables.health;
public class Main2Activity extends AppCompatActivity {
public static final String PREFS_NAME_MAIN = "mainpref";
TextView coinText, healthText, textView;
Button button3;
private final Context app = this;
private final Handler update = new Handler();
private final Runnable updateHealth = new Runnable()
{
public void run()
{
if (variables.run)
{
healthText.setText(""+health);
update.postDelayed(updateHealth, 500);
}
else if (!variables.run) update.removeCallbacksAndMessages(null);
}
};
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.activity_main2);
coinText = findViewById(R.id.coinText);
healthText = findViewById(R.id.healthText);
healthText.setText(String.valueOf(health));
button3 = findViewById(R.id.button3);
textView = findViewById(R.id.textView);
Button closeButton = findViewById(R.id.closeButton);
closeButton.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
//finishAffinity();
startActivity(new Intent(Main2Activity.this, ExitActivity.class));
}
});
Button coinsplusButton = findViewById(R.id.coinsplusButton);
coinsplusButton.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
//finishAffinity();
startActivity(new Intent(Main2Activity.this, StoreActivity.class));
}
});
Button level1Button = findViewById(R.id.level1Button);
level1Button.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
//finishAffinity();
startActivity(new Intent(Main2Activity.this, Level1Activity.class));
}
});
}
public void buttontest(View button3)
{
if (health > 0) {
health = health-1;
healthText.setText(""+health);
}
variables.run = true;
Intent activeClick = new Intent(this, ClickService.class);
this.startService(activeClick);
update.post(updateHealth);
save();
}
#Override
protected void onStart()
{
super.onStart();
load();
textupgrade();
if (!variables.run)
{
variables.run = true;
Intent activeClick = new Intent(this, ClickService.class);
this.startService(activeClick);
}
}
protected void onResume()
{
super.onResume();
load();
textupgrade();
update.post(updateHealth);
}
private void load()
{
SharedPreferences varReader = app.getSharedPreferences(PREFS_NAME_MAIN, MODE_PRIVATE);
variables.run = varReader.getBoolean("run", false);
coin = varReader.getInt("coin", 0);
health = varReader.getInt("health", 5);
}
private void save()
{
SharedPreferences.Editor varReader = app.getSharedPreferences(PREFS_NAME_MAIN, 0).edit();
varReader.putBoolean("run", variables.run);
varReader.putInt("coin", coin);
varReader.putInt("health", health);
varReader.apply();
}
private void textupgrade(){
coinText.setText(""+coin);
healthText.setText(""+health);
}
}
ClickService.java
package com.mygame.test;
import android.app.IntentService;
import android.content.Intent;
import android.os.Handler;
public class ClickService extends IntentService
{
private final Handler handler = new Handler();
private final Runnable addHealth = new Runnable()
{
public void run()
{
variables.health++;
if (!variables.run) handler.removeCallbacksAndMessages(null);
else if (variables.run) handler.postDelayed(addHealth, 1000);
}
};
public ClickService()
{
super("ClickService");
}
#Override
protected void onHandleIntent(Intent activeClick)
{
handler.postDelayed(addHealth, 500);
}
}
variables.java
package com.mygame.test;
public class variables {
static int coin;
static int health;
static boolean run;
}
Oh, i fixed it :D ClickService was not registered in AndroidManifest
<service
android:name=".ClickService"
android:exported="false" />

Runtime error in thread of music app

**Down here I am trying to build a music app in android studio,my app is working fine displaying all my SD card songs and play too ,all button works but when I click on next button it works normally but don't know why app sometimes gets stopped working and shows runtime exception ->>please open the image of run log of the application.
package com.example.ramandeepsingh.tunes;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.media.MediaPlayer;
import android.net.Uri;
import android.os.Build;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.SeekBar;
import android.widget.Toast;
import java.io.File;
import java.util.ArrayList;
import java.util.jar.Manifest;
public class PlayerActivity extends AppCompatActivity{
static MediaPlayer mp;//assigning memory loc once or else multiple songs will play at once
int position;
SeekBar sb;
ArrayList<File> mySongs;
Thread updateSeekBar;
Button pause,forward,reverse,next,previous;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_player);
pause = (Button)findViewById(R.id.pause);
forward = (Button)findViewById(R.id.forward);
previous = (Button)findViewById(R.id.previous);
next = (Button)findViewById(R.id.next);
reverse = (Button)findViewById(R.id.reverse);
sb=(SeekBar)findViewById(R.id.seekBar);
updateSeekBar=new Thread(){
#Override
public void run(){
int totalDuration = mp.getDuration();
int currentPosition = 0;
// sb.setMax(totalDuration);
while(currentPosition < totalDuration){
try{
sleep(500);
currentPosition=mp.getCurrentPosition();
}
catch (InterruptedException e){
e.printStackTrace();
System.out.println(e);
}
sb.setProgress(currentPosition);
}
}
};
if(mp != null){
mp.stop();
mp.release();
}
Intent i = getIntent();
Bundle b = i.getExtras();
mySongs = (ArrayList) b.getParcelableArrayList("songs");
position = b.getInt("pos",0);
Uri u = Uri.parse(mySongs.get(position).toString());
mp = MediaPlayer.create(getApplicationContext(),u);
mp.start();
sb.setMax(mp.getDuration());
updateSeekBar.start();
sb.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
#Override
public void onProgressChanged(SeekBar seekBar, int i, boolean b) {
}
#Override
public void onStartTrackingTouch(SeekBar seekBar) {
}
#Override
public void onStopTrackingTouch(SeekBar seekBar) {
mp.seekTo(seekBar.getProgress());
}
});
pause.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
sb.setMax(mp.getDuration());
if(mp.isPlaying()){
pause.setText(">");
mp.pause();
}
else {
pause.setText("||");
mp.start();
}
}
});
forward.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
sb.setMax(mp.getDuration());
mp.seekTo(mp.getCurrentPosition()+5000);
}
});
reverse.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
sb.setMax(mp.getDuration());
mp.seekTo(mp.getCurrentPosition()-5000);
}
});
next.setOnClickListener(new
View.OnClickListener() {
#Override
public void onClick(View v) {
mp.stop();
mp.reset();
position=((position+1)%mySongs.size());
Uri u = Uri.parse(mySongs.get( position).toString());
mp = MediaPlayer.create(getApplicationContext(),u);
mp.start();
sb.setMax(mp.getDuration());
updateSeekBar.start();
}
});
previous.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
mp.stop();
mp.release();
position=((position-1)<0)?(mySongs.size()-1):(position-1);
Uri u = Uri.parse(mySongs.get( position).toString());//%mysongs so that it do not go to invalid position
mp = MediaPlayer.create(getApplicationContext(),u);
mp.start();
}
});
}}

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In Google play service 10.0.1, for the following code, when building it I get the error:
“GooglePlayServicesClient” cannot resolve the symbol
Any idea how to resolve this?
import android.app.ProgressDialog;
import android.content.ContentResolver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.location.Geocoder;
import android.location.Location;
import android.location.LocationManager;
import android.os.AsyncTask;
import android.os.Bundle;
import android.provider.Settings;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputMethodManager;
import android.widget.AdapterView;
import android.widget.AutoCompleteTextView;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.location.LocationClient;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.common.GooglePlayServicesClient;
import com.google.android.gms.location.LocationRequest;
import com.shuan.Project.R;
import com.shuan.Project.Utils.Common;
import com.shuan.Project.asyncTasks.EmployeeSerchResult;
import com.shuan.Project.asyncTasks.GetEmployeeSerach;
import com.shuan.Project.employer.PostViewActivity;
import java.util.List;
import java.util.Locale;
public class EmplyeeSearchActivity extends AppCompatActivity implements
GooglePlayServicesClient.ConnectionCallbacks,
GooglePlayServicesClient.OnConnectionFailedListener {
private Toolbar toolbar;
private Common mApp;
private Boolean flag = false;
private LocationClient mLocationClient;
private ProgressDialog pDialog;
private GoogleApiClient mGoogleApiClient;
private LocationRequest mLocationRequest;
private Location mLastLocation;
private ProgressBar progressBar;
private ListView list;
private AutoCompleteTextView preferSearch;
#Override
protected void onCreate(Bundle savedInstanceState) {
mApp = (Common) getApplicationContext();
if (mApp.getPreference().getString(Common.LEVEL, "").equalsIgnoreCase("1")) {
setTheme(R.style.Junior);
} else {
setTheme(R.style.Senior);
}
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_emplyee_search);
toolbar = (Toolbar) findViewById(R.id.app_bar);
setSupportActionBar(toolbar);
if (mApp.getPreference().getString(Common.LEVEL, "").equalsIgnoreCase("1")) {
toolbar.setBackgroundColor(getResources().getColor(R.color.junPrimary));
} else {
toolbar.setBackgroundColor(getResources().getColor(R.color.senPrimary));
}
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setDisplayShowTitleEnabled(false);
mLocationClient = new LocationClient(this, this, this);
mLocationClient.connect();
mLocationRequest = new LocationRequest();
progressBar = (ProgressBar) findViewById(R.id.progress_bar);
list = (ListView) findViewById(R.id.ser_res);
preferSearch = (AutoCompleteTextView) findViewById(R.id.prefered_serach);
new GetEmployeeSerach(EmplyeeSearchActivity.this, progressBar, preferSearch).execute();
preferSearch.setOnEditorActionListener(new TextView.OnEditorActionListener() {
#Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if(actionId== EditorInfo.IME_ACTION_SEARCH){
InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(v.getApplicationWindowToken(), 0);
preferSearch.dismissDropDown();
progressBar.setVisibility(View.VISIBLE);
new EmployeeSerchResult(EmplyeeSearchActivity.this, progressBar, list, preferSearch.getText().toString(),
"all").execute();
}
return false;
}
});
preferSearch.setOnItemClickListener(new AdapterView.OnItemClickListener() {
#Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(view.getApplicationWindowToken(), 0);
TextView txt = (TextView) view.findViewById(R.id.display);
TextView txt1 = (TextView) view.findViewById(R.id.ins_name);
preferSearch.setText(txt.getText().toString());
progressBar.setVisibility(View.VISIBLE);
new EmployeeSerchResult(EmplyeeSearchActivity.this, progressBar, list, txt.getText().toString(),
txt1.getText().toString()).execute();
}
});
preferSearch.addTextChangedListener(new TextWatcher() {
#Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
#Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
}
#Override
public void afterTextChanged(Editable s) {
list.setAdapter(null);
}
});
list.setOnItemClickListener(new AdapterView.OnItemClickListener() {
#Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
TextView txt = (TextView) view.findViewById(R.id.jId);
Intent in = new Intent(getApplicationContext(), PostViewActivity.class);
in.putExtra("jId", txt.getText().toString());
in.putExtra("apply", "no");
startActivity(in);
}
});
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.emp_search_menu, menu);
return true;
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == R.id.gps) {
flag = gpsStatus();
if (flag) {
new displayCurrentLocation().execute();
} else {
showGpsAlert();
}
}
return super.onOptionsItemSelected(item);
}
#Override
public void onConnected(Bundle bundle) {
}
#Override
public void onDisconnected() {
}
#Override
public void onConnectionFailed(ConnectionResult connectionResult) {
}
public class displayCurrentLocation extends AsyncTask<String, String, String> {
String location;
#Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(EmplyeeSearchActivity.this);
pDialog.setIndeterminate(false);
pDialog.setCancelable(false);
pDialog.setMessage("Searching");
pDialog.show();
}
#Override
protected String doInBackground(String... params) {
Location currentLocation = mLocationClient.getLastLocation();
Geocoder geocoder = new Geocoder(EmplyeeSearchActivity.this, Locale.getDefault());
Location loc = currentLocation;
List<android.location.Address> addresses;
try {
addresses = geocoder.getFromLocation(loc.getLatitude(), loc.getLongitude(), 1);
if (addresses != null && addresses.size() > 0) {
final android.location.Address address = addresses.get(0);
location = address.getLocality();
}
} catch (Exception e) {
}
return location;
}
#Override
protected void onPostExecute(final String s) {
super.onPostExecute(s);
pDialog.cancel();
Intent in = new Intent(getApplicationContext(), EmployeeSearchResultActivity.class);
in.putExtra("loc", s);
startActivity(in);
}
}
private void showGpsAlert() {
AlertDialog.Builder build = new AlertDialog.Builder(EmplyeeSearchActivity.this);
build.setTitle("Alert")
.setMessage("Turn On your GPS! Find the Jobs & companies")
.setPositiveButton("OK", new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialog, int which) {
Intent in = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
startActivity(in);
dialog.cancel();
}
}).setNegativeButton("CANCEL", new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
Toast.makeText(getApplicationContext(), "Can't Find Employer", Toast.LENGTH_SHORT).show();
}
}).show();
}
private Boolean gpsStatus() {
ContentResolver contentResolver = getBaseContext().getContentResolver();
boolean gpsStus = Settings.Secure.isLocationProviderEnabled(contentResolver, LocationManager.GPS_PROVIDER);
if (gpsStus) {
return true;
} else {
return false;
}
}
}
as mentioned in this answer i guess GooglePlayServiceClient and has become outdated so remove it and use GoogleApiClientinstead.Also LocationServices.API, and FusedLocationProviderApi were introduced.
Usage of GoogleApiClient :
To use GoogleApiClient the first thing to change is the interface, the activity or service is implementing
//old code of GooglePlayServiceClient :
public class LocationMonitoringService extends Service implements GooglePlayServicesClient.ConnectionCallbacks
//replace the above ^ code with this: new code for GoogleApiClient
public class LocationMonitoringService extends Service implements GoogleApiClient.ConnectionCallbacks
in GooglePlayServiceClient, mLocationClient was just a regular class constructor.
inGoogleApiClient a Builder is used like :
//old code of GooglePlayServiceClient :
LocationClient mLocationClient;
#Override
public int onStartCommand(Intent intent, int flags, int startId) {
mLocationClient = new LocationClient(this, this, this);
mLocationClient.connect();
}
replace it^ with new builder code of GoogleApiClient :
GoogleApiClient mLocationClient;
#Override
public int onStartCommand(Intent intent, int flags, int startId) {
mLocationClient = new GoogleApiClient.Builder(this)
.addConnectionCallbacks(this)
.addOnConnectionFailedListener(this)
.addApi(LocationServices.API)
.build();
mLocationClient.connect();
}
Examples :
Requesting location :
Old code was just a simple call like
mLocationClient.requestLocationUpdates(mLocationRequest, locationListener);
in GoogleApiClient we use FusedLocatonApi like :
LocationServices.FusedLocationApi.requestLocationUpdates(mLocationClient, mLocationRequest, locationListener);
This post shows you a implementation of most of the methods like :onConnected onConnectionFailed onConnectionSuspended etc.

Implementing Music Across Activities

Problem: When I use the home button to close the app the music continues playing. So I manually close the app by killing the activity, the music stops... for a few seconds and then starts again (and this time a restart is in order to turn it off).
MusicService.class:
package com.MyApp.App;
import android.app.Service;
import android.content.Intent;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnErrorListener;
import android.os.Binder;
import android.os.IBinder;
import android.widget.Toast;
public class MusicService extends Service implements
MediaPlayer.OnErrorListener {
private final IBinder mBinder = new ServiceBinder();
MediaPlayer mPlayer;
private int length = 0;
public MusicService() {
}
public class ServiceBinder extends Binder {
MusicService getService() {
return MusicService.this;
}
}
#Override
public IBinder onBind(Intent arg0) {
return mBinder;
}
#Override
public void onCreate() {
super.onCreate();
mPlayer = MediaPlayer.create(this, R.raw.test_music);
mPlayer.setOnErrorListener(this);
if (mPlayer != null) {
mPlayer.setLooping(true);
mPlayer.setVolume(100, 100);
}
mPlayer.setOnErrorListener(new OnErrorListener() {
public boolean onError(MediaPlayer mp, int what, int extra) {
onError(mPlayer, what, extra);
return true;
}
});
}
#Override
public int onStartCommand(Intent intent, int flags, int startId) {
mPlayer.start();
return START_STICKY;
}
public void pauseMusic() {
if (mPlayer.isPlaying()) {
mPlayer.pause();
length = mPlayer.getCurrentPosition();
}
}
public void resumeMusic() {
if (mPlayer.isPlaying() == false) {
mPlayer.seekTo(length);
mPlayer.start();
}
}
public void stopMusic() {
mPlayer.stop();
mPlayer.release();
mPlayer = null;
}
#Override
public void onDestroy() {
super.onDestroy();
if (mPlayer != null) {
try {
mPlayer.stop();
mPlayer.release();
} finally {
mPlayer = null;
}
}
}
public boolean onError(MediaPlayer mp, int what, int extra) {
Toast.makeText(this, "music player failed", Toast.LENGTH_SHORT).show();
if (mPlayer != null) {
try {
mPlayer.stop();
mPlayer.release();
} finally {
mPlayer = null;
}
}
return false;
}
}
MainPage.class:
package com.MyApp.App;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.view.View;
public class MainPage extends Activity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main_page);
Intent music = new Intent();
music.setClass(this, MusicService.class);
startService(music);
}
#Override
protected void onDestroy() {
super.onDestroy();
mServ.stopMusic();
}
#Override
protected void onPause() {
super.onPause();
mServ.pauseMusic();
}
#Override
protected void onStop() {
super.onStop();
mServ.stopMusic();
}
private boolean mIsBound = false;
private MusicService mServ;
private ServiceConnection Scon = new ServiceConnection() {
public void onServiceConnected(ComponentName name, IBinder binder) {
mServ = ((MusicService.ServiceBinder) binder).getService();
}
public void onServiceDisconnected(ComponentName name) {
mServ = null;
}
};
void doBindService() {
bindService(new Intent(this, MusicService.class), Scon,
Context.BIND_AUTO_CREATE);
mIsBound = true;
}
void doUnbindService() {
if (mIsBound) {
unbindService(Scon);
mIsBound = false;
}
}
}
(NOTE: I have taken excerpts from my app, so I may have forgotten imports in this code, but all imports are correctly included in the app.)
Fixed:
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main_page);
doBindService();
Intent music = new Intent();
music.setClass(this, MusicService.class);
startService(music);
}
and
#Override
protected void onDestroy() {
super.onDestroy();
doUnbindService();
}
please red : onCreate, OnPause , OnResume

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