- android.permission.WRITE_EXTERNAL_STORAGE
- android.permission.READ_EXTERNAL_STORAGE
- android.permission.WRITE_EXTERNAL_STORAGE
- android.permission.INTERNET
- android.permission.SET_WALLPAPER
- android.permission.ACCESS_NETWORK_STATE
1/4/2017
# save a picture and compatible in Android 4,5,6,7
# Already can save images in all versions of Android