public void mediaplay(View v) {
switch (v.getId()) {
case R.id.playbutton:
String filename = filenames.toString(); File file = new File(Environment.getExternalStorageDirectory(),
filename);
if (file.exists()) {
path = pathload;
play(0);
} else {
path = null;
Toast.makeText(this, R.string.filenoexsit, 1).show();
}
break; case R.id.pausebutton:
if (mediaPlayer.isPlaying()) {
mediaPlayer.pause();
pause = true;
} else {
if (pause) {
mediaPlayer.start();
pause = false;
}
}
break; case R.id.resetbutton:
if (mediaPlayer.isPlaying()) {
mediaPlayer.seekTo(0);
} else {
if (path != null) {
play(0);
}
}
break;
case R.id.stopbutton:
if (mediaPlayer.isPlaying()) {
mediaPlayer.stop();
}
break;
}
} private void play(int position) {
try {
mediaPlayer.reset();
mediaPlayer.setDataSource(path);
mediaPlayer.setDisplay(surfaceView.getHolder());
mediaPlayer.prepare();// 缓冲
mediaPlayer.setOnPreparedListener(new PrepareListener(position));
} catch (Exception e) {
e.printStackTrace();
}
} private final class PrepareListener implements OnPreparedListener {
private int position; public PrepareListener(int position) {
this.position = position;
} public void onPrepared(MediaPlayer mp) {
mediaPlayer.start();// 播放视频
if (position > 0)
mediaPlayer.seekTo(position);
}
}怎么判断啊
switch (v.getId()) {
case R.id.playbutton:
String filename = filenames.toString(); File file = new File(Environment.getExternalStorageDirectory(),
filename);
if (file.exists()) {
path = pathload;
play(0);
} else {
path = null;
Toast.makeText(this, R.string.filenoexsit, 1).show();
}
break; case R.id.pausebutton:
if (mediaPlayer.isPlaying()) {
mediaPlayer.pause();
pause = true;
} else {
if (pause) {
mediaPlayer.start();
pause = false;
}
}
break; case R.id.resetbutton:
if (mediaPlayer.isPlaying()) {
mediaPlayer.seekTo(0);
} else {
if (path != null) {
play(0);
}
}
break;
case R.id.stopbutton:
if (mediaPlayer.isPlaying()) {
mediaPlayer.stop();
}
break;
}
} private void play(int position) {
try {
mediaPlayer.reset();
mediaPlayer.setDataSource(path);
mediaPlayer.setDisplay(surfaceView.getHolder());
mediaPlayer.prepare();// 缓冲
mediaPlayer.setOnPreparedListener(new PrepareListener(position));
} catch (Exception e) {
e.printStackTrace();
}
} private final class PrepareListener implements OnPreparedListener {
private int position; public PrepareListener(int position) {
this.position = position;
} public void onPrepared(MediaPlayer mp) {
mediaPlayer.start();// 播放视频
if (position > 0)
mediaPlayer.seekTo(position);
}
}怎么判断啊
解决方案 »
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if (pause && mediaPlayer!=null)
{
mediaPlayer.start();
pause = false;
}
else
{
String filename = filenames.toString(); File file = new File(Environment.getExternalStorageDirectory(),
filename);
if (file.exists()) {
path = pathload;
play(0);
} else {
path = null;
Toast.makeText(this, R.string.filenoexsit, 1).show();
}}
break;
如果是暂停状态:直接start()就行了
如果是播放状态:应该是不让点击的一般暂停、播放是用一个按钮控制的,只需要换不同的背景图片就可以了,
看楼主的描述,应该是将播放、暂停分开处理的吧,这样在逻辑处理上会麻烦许多
path = pathload;
play(0);
} else {
path = null;
Toast.makeText(this, R.string.filenoexsit, 1).show();
}
这里了,晕死。