如何将此文件转换为 MP3 或它是否已定义为 MP3?
How to convert this file into an MP3 or is it already defined as MP3?
这是我的代码,但没有播放声音
MainActivity.java
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(MainActivity.this,R.raw.file);
Button playButton = (Button) findViewById(R.id.play_id);
playButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
mediaPlayer.start();
}
});
Button pauseButton = (Button) findViewById(R.id.pause_id);
playButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
mediaPlayer.stop();
}
});
}
我的代码有效,但没有播放声音。我不知道怎么了
mp3的格式也很奇怪it shows YT with black background which i don't understand.
更改您的声音文件名,"file"是保留名称!
感谢您的尝试,但这是我在这一行中的错误 playButton.setOnClickListener(new View.OnClickListener() { 应该是 pauseButton,我只是忘了更改它。谢谢
这是我的代码,但没有播放声音
MainActivity.java
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(MainActivity.this,R.raw.file);
Button playButton = (Button) findViewById(R.id.play_id);
playButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
mediaPlayer.start();
}
});
Button pauseButton = (Button) findViewById(R.id.pause_id);
playButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
mediaPlayer.stop();
}
});
}
我的代码有效,但没有播放声音。我不知道怎么了
mp3的格式也很奇怪it shows YT with black background which i don't understand.
更改您的声音文件名,"file"是保留名称!
感谢您的尝试,但这是我在这一行中的错误 playButton.setOnClickListener(new View.OnClickListener() { 应该是 pauseButton,我只是忘了更改它。谢谢