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1. 找出系统中所有视频
private void choiceFile() {
Intent intent = new Intent(Intent.ACTION_PICK,
android.provider.MediaStore.Video.Media.EXTERNAL_CONTENT_URI);
intent.setDataAndType(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, "video/*");
Intent wrapperIntent = Intent.createChooser(intent, null);
startActivityForResult(wrapperIntent, VIDEO_REQUSET_CODE);
}
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原文地址:http://www.cnblogs.com/wutianlong/p/5664244.html