message: image permission
diff: <uses-permission android:name="android.permission.INTERNET" />
  <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>
  -
  + <uses-permission android:name="android.permission.CAMERA" />
  + <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
  <uses-sdk
  android:minSdkVersion="16"
  android:targetSdkVersion="22" />
  