Android应用开发-MP3音乐播放器代码实现（三），kotlin基础语法_kotlin seekbar.setprogress音乐播放器

artist = bundle.getString(“artist”);

url = bundle.getString(“url”);

listPosition = bundle.getInt(“listPosition”);

repeatState = bundle.getInt(“repeatState”);

isShuffle = bundle.getBoolean(“shuffleState”);

flag = bundle.getInt(“MSG”);

currentTime = bundle.getInt(“currentTime”);

duration = bundle.getInt(“duration”);

initView();

}

/**

• 初始化界面

*/

public void initView() {

musicTitle.setText(title);

musicArtist.setText(artist);

music_progressBar.setProgress(currentTime);

music_progressBar.setMax(duration);

switch (repeatState) {

case isCurrentRepeat: // 单曲循环

shuffleBtn.setClickable(false);

repeatBtn.setBackgroundResource(R.drawable.repeat_current_selector);

break;

case isAllRepeat: // 全部循环

shuffleBtn.setClickable(false);

repeatBtn.setBackgroundResource(R.drawable.repeat_all_selector);

break;

case isNoneRepeat: // 无重复

shuffleBtn.setClickable(true);

repeatBtn.setBackgroundResource(R.drawable.repeat_none_selector);

break;

}

if(isShuffle) {

isNoneShuffle = false;

shuffleBtn.setBackgroundResource(R.drawable.shuffle_selector);

repeatBtn.setClickable(false);

} else {

isNoneShuffle = true;

shuffleBtn.setBackgroundResource(R.drawable.shuffle_none_selector);

repeatBtn.setClickable(true);

}

if(flag == AppConstant.PlayerMsg.PLAYING_MSG) { //如果播放信息是正在播放

Toast.makeText(PlayerActivity.this, “正在播放–” + title, 1).show();

}

else if(flag == AppConstant.PlayerMsg.PLAY_MSG) { //如果是点击列表播放歌曲的话

play();

}

playBtn.setBackgroundResource(R.drawable.play_selector);

isPlaying = true;

isPause = false;

}

/**

• 反注册广播

*/

@Override

protected void onStop() {

super.onStop();

unregisterReceiver(playerReceiver);

}

@Override

protected void onDestroy() {

super.onD