录像机应用

**
    * 录像
    */
   public void video(View v){
       //创建意图对象
       Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
       //设置录像的存储位置
       File file = new File("/mnt/sdcard/luxing.mp4");
       intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(file));  // set the image file name
   //设置录像质量
       intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 1); // set the video image quality to high
       // start the Video Capture Intent
       startActivityForResult(intent, 2);
   }
   @Override
   protected void onActivityResult(int requestCode, int resultCode, Intent data) {
      super.onActivityResult(requestCode, resultCode, data);
      if (data == null) {
         return;
      }
      switch (requestCode) {
         case 1:
            Toast.makeText(this, "拍照成功  /mnt/sdcard/zanmen.jpg", 0).show();      
            break;
         case 2:
            Toast.makeText(this, "录像成功  /mnt/sdcard/luxiang.mp4", 0).show();
            break;
         default:
            break;
      }
   }

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添加权限:         <uses-permission android:name="android.permission.CAMERA" />
                 <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />