<!--摄像头权限 --> 
  <uses-permission android:name="android.permission.CAMERA" /> 
  <!--存储权限          SD卡读写权限 --> 
  <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" /> 
  <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> 
  <!--Camera Feature 声明对camera feature的使用 --> 
  <uses-feature android:name="android.hardware.camera" /> 
  <uses-feature 
    android:name="android.hardware.camera.autofocus" 
    android:required="false" /> 
  <!--视频、录音权限          请求音频捕获权限 --> 
  <uses-permission android:name="android.permission.RECORD_VIDEO"/> 
<uses-permission android:name="android.permission.RECORD_AUDIO"/>