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Added on changefocus code
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@RMoha2021
RMoha2021 committed Mar 30, 2018
1 parent 99c33e5 commit b7a9bb9
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Showing 5 changed files with 322 additions and 59 deletions.
81 changes: 76 additions & 5 deletions app/src/main/java/com/example/android/miwok/ColorsActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -15,23 +15,28 @@
*/
package com.example.android.miwok;

import android.media.AudioManager;
import android.media.MediaPlayer;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.Toast;

import java.util.ArrayList;

public class ColorsActivity extends AppCompatActivity {
private MediaPlayer mMediaPlayer;
private ArrayList<Word> mWords;
private boolean mAudioFocusGranted = false;
private AudioManager mAudioManager;

private MediaPlayer.OnCompletionListener mListener = new MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mediaPlayer) {
Helper.release(mediaPlayer);
release();
}
};

Expand All @@ -54,12 +59,15 @@ protected void onCreate(Bundle savedInstanceState) {
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int position, long l) {
release();
Word word = mWords.get(position);
Helper.release(mMediaPlayer);
mMediaPlayer = MediaPlayer.create(ColorsActivity.this, word.getAudioResourceId());
mMediaPlayer.start();

mMediaPlayer.setOnCompletionListener(mListener);
manageAndGrantAudioFocus();
if (mAudioFocusGranted) {
mMediaPlayer = MediaPlayer.create(ColorsActivity.this, word.getAudioResourceId());
mMediaPlayer.start();
mMediaPlayer.setOnCompletionListener(mListener);
}
}
});
}
Expand All @@ -78,4 +86,67 @@ private ArrayList<Word> initialiseList() {

return list;
}

AudioManager.OnAudioFocusChangeListener focusListener = new AudioManager.OnAudioFocusChangeListener() {
//3
@Override
public void onAudioFocusChange(int focusChange) {
switch (focusChange) {
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
Log.i("NumbersActivity", "AUDIOFOCUS_LOSS_TRANSIENT");
mMediaPlayer.pause();
mMediaPlayer.seekTo(0);
break;

case AudioManager.AUDIOFOCUS_LOSS:
Log.i("NumbersActivity", "AUDIOFOCUS_LOSS");
release();
break;

case AudioManager.AUDIOFOCUS_GAIN:
Log.i("NumbersActivity", "default");
mMediaPlayer.start();
break;
}
}
};

@Override
protected void onStop() {
super.onStop();
release();
}

private void manageAndGrantAudioFocus() {
//1
mAudioManager = (AudioManager) this.getSystemService(this.AUDIO_SERVICE);
int result = mAudioManager.requestAudioFocus(
focusListener,
AudioManager.STREAM_MUSIC,
AudioManager.AUDIOFOCUS_GAIN_TRANSIENT);
if (result == AudioManager.AUDIOFOCUS_REQUEST_GRANTED) {
mAudioFocusGranted = true;
} else {//if (result == AudioManager.AUDIOFOCUS_REQUEST_FAILED){
Toast.makeText(ColorsActivity.this, "autfocus request failed", Toast.LENGTH_SHORT).show();
}
}

private void release() {
/**
* Clean up the media player by releasing its resources.
*/
// If the media player is not null, then it may be currently playing a sound.
if (mMediaPlayer != null) {
// Regardless of the current state of the media player, release its resources
// because we no longer need it.
mMediaPlayer.release();

// Set the media player back to null. For our code, we've decided that
// setting the media player to null is an easy way to tell that the media player
// is not configured to play an audio file at the moment.
mMediaPlayer = null;
mAudioManager.abandonAudioFocus(focusListener);
}
}
}
81 changes: 76 additions & 5 deletions app/src/main/java/com/example/android/miwok/FamilyActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -15,23 +15,28 @@
*/
package com.example.android.miwok;

import android.media.AudioManager;
import android.media.MediaPlayer;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.Toast;

import java.util.ArrayList;

public class FamilyActivity extends AppCompatActivity {
private MediaPlayer mMediaPlayer;
private ArrayList<Word> mWords;
private boolean mAudioFocusGranted = false;
private AudioManager mAudioManager;

private MediaPlayer.OnCompletionListener mListener = new MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mediaPlayer) {
Helper.release(mediaPlayer);
release();
}
};

Expand All @@ -53,11 +58,14 @@ protected void onCreate(Bundle savedInstanceState) {
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int position, long l) {
release();
Word word = mWords.get(position);
Helper.release(mMediaPlayer);
mMediaPlayer = MediaPlayer.create(FamilyActivity.this, word.getAudioResourceId());
mMediaPlayer.start();
mMediaPlayer.setOnCompletionListener(mListener);
manageAndGrantAudioFocus();
if (mAudioFocusGranted) {
mMediaPlayer = MediaPlayer.create(FamilyActivity.this, word.getAudioResourceId());
mMediaPlayer.start();
mMediaPlayer.setOnCompletionListener(mListener);
}
}
});
}
Expand All @@ -77,4 +85,67 @@ private ArrayList<Word> initialiseList() {

return list;
}

AudioManager.OnAudioFocusChangeListener focusListener = new AudioManager.OnAudioFocusChangeListener() {
//3
@Override
public void onAudioFocusChange(int focusChange) {
switch (focusChange) {
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
Log.i("NumbersActivity", "AUDIOFOCUS_LOSS_TRANSIENT");
mMediaPlayer.pause();
mMediaPlayer.seekTo(0);
break;

case AudioManager.AUDIOFOCUS_LOSS:
Log.i("NumbersActivity", "AUDIOFOCUS_LOSS");
release();
break;

case AudioManager.AUDIOFOCUS_GAIN:
Log.i("NumbersActivity", "default");
mMediaPlayer.start();
break;
}
}
};

@Override
protected void onStop() {
super.onStop();
release();
}

private void manageAndGrantAudioFocus() {
//1
mAudioManager = (AudioManager) this.getSystemService(this.AUDIO_SERVICE);
int result = mAudioManager.requestAudioFocus(
focusListener,
AudioManager.STREAM_MUSIC,
AudioManager.AUDIOFOCUS_GAIN_TRANSIENT);
if (result == AudioManager.AUDIOFOCUS_REQUEST_GRANTED) {
mAudioFocusGranted = true;
} else {//if (result == AudioManager.AUDIOFOCUS_REQUEST_FAILED){
Toast.makeText(FamilyActivity.this, "autfocus request failed", Toast.LENGTH_SHORT).show();
}
}

private void release() {
/**
* Clean up the media player by releasing its resources.
*/
// If the media player is not null, then it may be currently playing a sound.
if (mMediaPlayer != null) {
// Regardless of the current state of the media player, release its resources
// because we no longer need it.
mMediaPlayer.release();

// Set the media player back to null. For our code, we've decided that
// setting the media player to null is an easy way to tell that the media player
// is not configured to play an audio file at the moment.
mMediaPlayer = null;
mAudioManager.abandonAudioFocus(focusListener);
}
}
}
26 changes: 0 additions & 26 deletions app/src/main/java/com/example/android/miwok/Helper.java
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