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Android SD卡读写 Environment.getExternalStorageState()


读写SD卡权限:

<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/>

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

读写SD卡 Environment.MEDIA_MOUNTED /mnt/sdcard目录才是可读可写

String state;

String path;

state = Environment.getExternalStorageState();

if(state.equals(Environment.MEDIA_MOUNTED)){

path = Environment.getExternalStorageDirectory().getAbsolutePath();

}


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