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import android.content.res.AssetFileDescriptor;
import android.media.MediaPlayer;
import android.support.design.widget.FloatingActionButton;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.SeekBar;
import android.widget.TextView;
public class Mp3MediaPlayer extends AppCompatActivity implements Runnable {
MediaPlayer mp3player = new MediaPlayer();
SeekBar seekBar;
boolean play = false;
FloatingActionButton fab;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_mp3_media_player);
fab = findViewById(R.id.button);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
playSong();
}
});
final TextView seekBarHint = findViewById(R.id.textView);
seekBar = findViewById(R.id.seekbar);
seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
seekBarHint.setVisibility(View.VISIBLE);
}
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromTouch) {
seekBarHint.setVisibility(View.VISIBLE);
int x = (int) Math.ceil(progress / 1000f);
if (x < 10)
seekBarHint.setText("0:0" + x);
else
seekBarHint.setText("0:" + x);
double percent = progress / (double) seekBar.getMax();
int offset = seekBar.getThumbOffset();
int seekWidth = seekBar.getWidth();
int val = (int) Math.round(percent * (seekWidth - 2 * offset));
int labelWidth = seekBarHint.getWidth();
seekBarHint.setX(offset + seekBar.getX() + val
- Math.round(percent * offset)
- Math.round(percent * labelWidth / 2));
if (progress > 0 && mp3player != null && !mp3player.isPlaying()) {
clearMediaPlayer();
fab.setImageDrawable(ContextCompat.getDrawable(Mp3MediaPlayer.this, android.R.drawable.ic_media_play));
Mp3MediaPlayer.this.seekBar.setProgress(0);
}
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
if (mp3player != null && mp3player.isPlaying()) {
mp3player.seekTo(seekBar.getProgress());
}
}
});
}
public void playSong() {
try {
if (mp3player != null && mp3player.isPlaying()) {
clearMediaPlayer();
seekBar.setProgress(0);
play = true;
fab.setImageDrawable(ContextCompat.getDrawable(Mp3MediaPlayer.this, android.R.drawable.ic_media_play));
}
if (!play) {
if (mp3player == null) {
mp3player = new MediaPlayer();
}
fab.setImageDrawable(ContextCompat.getDrawable(Mp3MediaPlayer.this, android.R.drawable.ic_media_pause));
AssetFileDescriptor descriptor = getAssets().openFd("50_Cal_Shells_Drop.mp3");
mp3player.setDataSource(descriptor.getFileDescriptor(), descriptor.getStartOffset(), descriptor.getLength());
descriptor.close();
mp3player.prepare();
mp3player.setVolume(0.5f, 0.5f);
mp3player.setLooping(false);
seekBar.setMax(mp3player.getDuration());
mp3player.start();
new Thread(this).start();
}
play = false;
} catch (Exception e) {
e.printStackTrace();
}
}
public void run() {
int currentPosition = mp3player.getCurrentPosition();
int total = mp3player.getDuration();
while (mp3player != null && mp3player.isPlaying() && currentPosition < total) {
try {
Thread.sleep(1000);
currentPosition = mp3player.getCurrentPosition();
} catch (InterruptedException e) {
return;
} catch (Exception e) {
return;
}
seekBar.setProgress(currentPosition);
}
}
@Override
protected void onDestroy() {
super.onDestroy();
clearMediaPlayer();
}
private void clearMediaPlayer() {
mp3player.stop();
mp3player.release();
mp3player = null;
}
}
