即使歌曲在原始目录中,我也有一个问题,即在按下播放按钮时无法播放媒体播放器。
以下代码。
public class MainActivity extends AppCompatActivity {
private MediaPlayer mediaPlayer;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mediaPlayer = MediaPlayer.create(this,R.raw.song);
Button play = (Button) findViewById(R.id.play);
Button pause = (Button) findViewById(R.id.pause);
play.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//Toast.makeText(MainActivity.this,"Play",Toast.LENGTH_SHORT).show();
mediaPlayer.start();
}
});
pause.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//Toast.makeText(MainActivity.this,"Pause",Toast.LENGTH_SHORT).show();
mediaPlayer.pause();
}
});
}
}
以下是布局文件:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:orientation="vertical"
tools:context="com.example.android.musicplayer.MainActivity">
<Button
android:id="@+id/play"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Play"/>
<Button
android:id="@+id/pause"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Pause"/>
</LinearLayout>
答案 0 :(得分:2)
try{
mediaPlayer.prepare();
}catch(Exception e){e.printStackTrace();}
答案 1 :(得分:0)
我发现SoundPoolPlayer比媒体播放器更好 使用setOnCompletionListener从Android SoundPool自定义扩展SoundPoolPlayer,而没有MediaPlayer的低效率缺点。
<强>创作:强>
SoundPoolPlayer mPlayer = SoundPoolPlayer.create(context, resId);
mPlayer.setOnCompletionListener(
new MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) { //mp will be null here
Log.d("debug", "completed");
}
};
);
播放强>
mPlayer.play()
暂停:强>
mPlayer.pause();
<强>车站:强>
mPlayer.stop();
<强>履历:强>
mPlayer.resume();
<强> IsPlaying模块:强>
mPlayer.isPlaying();
Here is the Link to Download the player Class
享受 - 快乐编码