android檢查sd卡是否可寫

android檢查sd卡是否可寫

public static boolean checkExternalStorageCanWrite() {
    try {
        boolean mouted = Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED);
        if (mouted) {
            boolean canWrite = new File(Environment.getExternalStorageDirectory().getAbsolutePath()).canWrite();
            if (canWrite) {
                return true;
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return false;
}