音频搜索栏主题问题? [英] Audio seekBar Thread Problem?
问题描述
本来我有一个MediaPlayer的mPlayers播放/暂停/停止我的音乐文件。现在,我想添加一个搜索栏为我的媒体。我尝试使用线程,这就是我想出了:
Originally, I had a MediaPlayer mPlayers to play/pause/stop my Audio file. Now, I'm trying to add a seek bar for my media. I tried using Threads and this is what I came up with:
在的onCreate():
In onCreate() :
seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar seekBar, int progress,
boolean fromUser) {
// TODO Auto-generated method stub
mPlayer.seekTo(progress);
}
////........Omitted Code..........\\\\
//At the very end of the method:
seekThread = new Thread(this); //My Activity implements:Runnable
seekThread.start();
然后,我实现了一个方法的run()
更新我的搜索栏每1秒:
Then, I implemented a method run()
to update my seek bar every 1 sec:
public void run() {
try {
while(mPlayer != null){
int currentPosition = mPlayer.getCurrentPosition();
Message msg = new Message();
msg.what = currentPosition;
threadHandler.sendMessage(msg);
Thread.sleep(1000);
}
} catch (InterruptedException e) {
e.printStackTrace();
}
}
private Handler threadHandler = new Handler(){
public void handleMessage(Message msg){
seekBar.setProgress(msg.what);
}
};
不过,在我的 HTC魔术的,音频低效运行。有些话是重复的。这似乎是搜索栏要回有点每隔一定的时间。
However, In my HTC Magic, the audio run inefficiently. Some words are repeated. It seems like the seek bar is going back a little bit every some time.
为了让你理解这个问题很好,让我们这样说:如果音频说:ABCDEFGHIJKLMN,那么这将是这样的:abccdeffghijjklmnn
To make you understand the problem well, Let's say this: if the audio says that: abcdefghijklmn , then it will be like this: abccdeffghijjklmnn.
您建议我的线程的任何改善?我这样做对吗?
推荐答案
不知道这会帮助,但尝试:
Not sure this will help, but try:
seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar seekBar, int progress,
boolean fromUser) {
if (fromUser) {
mPlayer.seekTo(progress);
}
}
如果没有这个条件,mPlayer.seekTo(进度);被称为每次调用seekBar.setProgress(msg.what);
Without this condition, mPlayer.seekTo(progress); is called every time you call seekBar.setProgress(msg.what);
这篇关于音频搜索栏主题问题?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!