public class MarathiActivity extends Activity
{
ListView list;
String[] web = {
"song name 1 ",
"song name 2",
"song name 3",
"song name 4",
"song name 5",
"song name 6",
"song name 7",
"song name 8"
} ;
Integer[] imageId = {
R.mipmap.ic_launcher,
R.mipmap.ic_launcher,
R.mipmap.ic_launcher,
R.mipmap.ic_launcher,
R.mipmap.ic_launcher,
R.mipmap.ic_launcher,
R.mipmap.ic_launcher
};
public int[] resID = {
R.raw.song1,
R.raw.song2,
R.raw.song3,
R.raw.song4,
R.raw.song5,
R.raw.song6,
R.raw.song7,
R.raw.song8
};
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.marathi);
CustomList adapter = new
CustomList(MarathiActivity.this, web);
list=(ListView)findViewById(R.id.list);
list.setAdapter(adapter);
list.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Intent i = new Intent(MarathiActivity.this,MusicPlayer.class);
startActivity(i);
// playSong(position);
}
});
它的马拉地语歌曲列表,
public class MusicPlayer extends Activity
{
private MediaPlayer mediaPlayer;
public TextView songName, duration;
private double timeElapsed = 0, finalTime = 0;
private int forwardTime = 2000, backwardTime = 2000;
private Handler durationHandler = new Handler();
private SeekBar seekbar;
MarathiActivity ma;
int position0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//set the layout of the Activity
setContentView(R.layout.musicplayer);
//initialize views
initializeViews();
}
public void initializeViews(){
songName = (TextView) findViewById(R.id.songName);
mediaPlayer = MediaPlayer.create(this,R.raw.songname);
finalTime = mediaPlayer.getDuration();
duration = (TextView) findViewById(R.id.songDuration);
seekbar = (SeekBar) findViewById(R.id.seekBar);
songName.setText("Sample_Song.mp3");
seekbar.setMax((int) finalTime);
seekbar.setClickable(false);
}
// play mp3 song
public void play(View view) {
mediaPlayer.start();
timeElapsed = mediaPlayer.getCurrentPosition();
seekbar.setProgress((int) timeElapsed);
durationHandler.postDelayed(updateSeekBarTime, 100);
}
//handler to change seekBarTime
private Runnable updateSeekBarTime = new Runnable() {
public void run() {
//get current position
timeElapsed = mediaPlayer.getCurrentPosition();
//set seek bar progress
seekbar.setProgress((int) timeElapsed);
//set time remaining
double timeRemaining = finalTime - timeElapsed;
duration.setText(String.format("%d min, %d sec", TimeUnit.MILLISECONDS.toMinutes((long) timeRemaining), TimeUnit.MILLISECONDS.toSeconds((long) timeRemaining) - TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes((long) timeRemaining))));
//repeat yourself that again in 100 milliseconds
durationHandler.postDelayed(this, 100);
}
};
// pause mp3 song
public void pause(View view) {
mediaPlayer.pause();
}
/* // go forward at forwardTime seconds
public void forward(View view) {
//check if we can go forward at forwardTime seconds before song endes
if ((timeElapsed + forwardTime) 0) {
timeElapsed = timeElapsed - backwardTime;
//seek to the exact second of the track
mediaPlayer.seekTo((int) timeElapsed);
}
}*/
}
我想创建媒体播放器并在媒体播放器中的项目点击监听器上播放所选择的歌曲,我在音乐播放器活动中遇到麻烦,我如何将所选歌曲名称映射到我必须保存在原始文件夹中的歌曲?
2 回答
请修改您的代码,如下面的代码
MusicPlayer.class
我真的不明白,你想要什么,但试着这样做:
}
然后你可以使用你的歌曲列表:
在onCreate中,您可以添加您想要的所有歌曲:
之后,您可以将此列表放在listAdapter中 . 在OnItemClick中只需做
MySongs selectedSong = songs.get(position);
然后您将获得有关所选歌曲的所有信息 . 您可以使用
selectedSong.name
作为示例