I made an app that tests the speakers in an HTC phone. it tests both the
bottom speaker, the top speaker, and the headphones, all while the
headphones are plugged in. It works perfectly in the HTC Desire Eye that
is running KitKat 4.4.4, but it does not work correctly on the HTC Desire
that is running Lollypop 5.1. In the lollypop phone, it only plays from
the bottom speaker, and if the headphones are plugged in, it goes through
the headphones instead. I have been looking everywhere but cant find the
answer. Does anyone know what I should do to make my app work in
Lollypop? I have included the code in case you see some deprecated code
that I should update. Also, the app does not crash on Lollypop, just does
the audiomanager or mediaplayer doesn't work the correctly. Thanks so much.
public class LeftSpeakerActivity extends Activity {
int default_mode; //Saves the default mode of the device
int music_volume; //Saves the default volume of the music stream
int call_volume; //Saves the default volume of the in call stream
String device_type = null;//Stores the device type
AudioManager audioManager; //Object to provide access to system
volume controls and settings
String model = android.os.Build.MODEL;
String Manufacturer = android.os.Build.MANUFACTURER;
boolean isNexus = false;
TextView title_text;
MediaPlayer mp;
//preset volume
int volume = 10;
public final static String log_tag = "LeftSpeaker";
Handler mHandler = new Handler();
/*
* (non-Javadoc)
* @see android.app.Activity#onCreate(android.os.Bundle).
* First function entered when the application is created
* This function is used to initialize the layout and the device type
* based on the model and device Manufacturer.This function also
stores
* the default audio stream value and modes to reset it back to these
* values once we exit the application
*/
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
/*
* API's to launch the application when the tablet is locked or
* display is turned off
*/
getWindow().addFlags(WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
//
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LOCKED);
setContentView(R.layout.activity_left_speaker);
title_text = ((TextView) findViewById(R.id.textView3));
title_text.setTextColor(Color.RED);
title_text.setText("LEFT SPEAKER TEST IN PROGRESS" + "\n" +
"VOLUME IS SET AT" + volume);
Context mContext = getApplicationContext();
createTempFile("Status_LeftSpeaker.txt", "INPROGRESS");
audioManager = (AudioManager)
getSystemService(Context.AUDIO_SERVICE);
default_mode = audioManager.getMode();
music_volume =
audioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
call_volume =
audioManager.getStreamVolume(AudioManager.STREAM_VOICE_CALL);
//Setting the volume level
audioManager.setStreamVolume(AudioManager.STREAM_MUSIC,volume,
AudioManager.FLAG_SHOW_UI);
audioManager.setStreamVolume(AudioManager.STREAM_VOICE_CALL,
volume, AudioManager.FLAG_SHOW_UI);
audioManager.setSpeakerphoneOn(true);
//start_playing();
playSound(true);
}
//TRUE PLAYS OVER SPEAKERS
private void playSound(boolean speakers){
mp = MediaPlayer.create(getApplicationContext(),
R.raw.tone_right);
if (speakers){
mp.setAudioStreamType(AudioManager.STREAM_MUSIC);
}else {
mp.setAudioStreamType(AudioManager.STREAM_VOICE_CALL);
}
mp.start();
mp.setOnCompletionListener(new
MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
createTempFile("Status_LeftSpeaker.txt", "COMPLETED");
exit_function();
}
});
}
private void exit_function() {
onDestroy();
}
@Override
/*
* (non-Javadoc)
* @see android.app.Activity#onDestroy()
* Function invoked before we exit the application . Reset all the
volume
* and stream values in this function
*/
protected void onDestroy() {
Log.i(log_tag,"Entered onDestroy()");
super.onDestroy();
//mp.reset();
if (mp != null) {
mp.release();
}
//Reset to the default settings here
audioManager.setMode(default_mode);
audioManager.setStreamVolume(AudioManager.STREAM_MUSIC,
music_volume, AudioManager.FLAG_SHOW_UI);
audioManager.setStreamVolume(AudioManager.STREAM_VOICE_CALL,
call_volume, AudioManager.FLAG_SHOW_UI);
this.finish();
}
/*
* Function to create the a text file in the application directory
context. This function
* takes the file name and the string that is to be written in it
as the input. This function is invoked
* to create the Result.txt file.
*/
private void createTempFile(String filename, String text) {
try {
FileOutputStream fOut = openFileOutput(filename ,
MODE_WORLD_READABLE);
OutputStreamWriter osw = new OutputStreamWriter(fOut);
osw.write(text);
osw.flush();
osw.close();
} catch(IOException e) {
e.printStackTrace();
}
}
}
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