【发布时间】:2021-04-03 02:24:01
【问题描述】:
我正在尝试在我的应用中添加媒体付款人。我有两个浮动操作按钮,播放和暂停。在播放时,音乐开始播放,开始隐藏工厂,暂停工厂表演。按下暂停工厂,暂停工厂隐藏并播放工厂节目。当我第一次付款时,音乐正在播放和停止,但是当我在停止后第二次尝试播放时,音乐没有播放。
下面是我的代码:
public class VideoDetail extends AppCompatActivity {
ActivityVideoDetailBinding activityVideoDetailBinding;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
activityVideoDetailBinding = ActivityVideoDetailBinding.inflate(getLayoutInflater());
setContentView(activityVideoDetailBinding.getRoot());
ActionBar ab = getSupportActionBar();
assert ab != null;
ab.setTitle("Music");
ab.setDisplayHomeAsUpEnabled(true);
Intent intent = getIntent();
String preview = intent.getStringExtra("preview");
MediaPlayer player = new MediaPlayer();
Uri uri = Uri.parse(preview);
player.setAudioStreamType(AudioManager.STREAM_MUSIC);
try {
player.setDataSource(VideoDetail.this, uri);
player.prepare();
} catch (IOException e) {
e.printStackTrace();
}
activityVideoDetailBinding.fabPlay.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
try {
activityVideoDetailBinding.fabPlay.hide();
activityVideoDetailBinding.fabPause.show();
player.start();
} catch(Exception e) {
System.out.println(e.toString());
}
}
});
activityVideoDetailBinding.fabPause.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
activityVideoDetailBinding.fabPause.hide();
activityVideoDetailBinding.fabPlay.show();
if(player.isPlaying()){
player.stop();
}
}
});
}
}
我做错了什么?
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