我用下面的代码在安卓手机上玩MP4:
VideoView videoView = (VideoView) findViewById(R.id.VideoView);
// Set video link (mp4 format )
File file2 = new File("/sdcard/Alone.mp4");
Uri video = Uri.fromFile(file2);
videoView.setVideoURI(video);
videoView.start();
但当我播放这段视频
我正试图通过蓝牙接近iPhone解锁我的mac,我正在使用的代码:
tell application "System Events"
tell security preferences
set require password to wake to false
end tell
end tell
tell application "ScreenSaverEngine" to quit
它杀死了屏幕保护程序,没有显示密码框,但我得到的只是一个黑屏幕。所有的应用程序仍然在运行,但我在这个黑屏幕上悬停鼠标。我在一个10.6.7版本上运行两个监视器。怎么了?谢
当我从Lubuntu 14.04升级到14.10时,它要求我改变一些东西,并提供了以下选项:
1. Use settings as provided by provider(not exact words)
2. Use your settings
3. Compare settings
4. (don't remember this one)
So I clicked D to find out what it's all about and it showed me those "Power button action - poweroff", "