Android获取手机内存与SD卡的根目录

直接贴出代码，有需要的可以直接变成工具类使用。优先读取sd卡假设没有sd卡再去手机内存中获取。记得动态配置读写权限!

    /*** 优先在SD卡，其次是内部存储*/public static String getRWPath(Context context) {String rwPath = null;String storagePath = getStoragePath(context, true);if (null != storagePath) {rwPath = storagePath;} else {String sdPath = getSDPath();rwPath = sdPath;}return rwPath;}

     /*** @description 获取SD卡路径，不用在设置中这是默认存储位置*/public static String getStoragePath(Context mContext, boolean is_removale) {StorageManager mStorageManager = (StorageManager) mContext.getSystemService(Context.STORAGE_SERVICE);Class storageVolumeClazz = null;try {storageVolumeClazz = Class.forName("android.os.storage.StorageVolume");Method getVolumeList = mStorageManager.getClass().getMethod("getVolumeList");Method getPath = storageVolumeClazz.getMethod("getPath");Method isRemovable = storageVolumeClazz.getMethod("isRemovable");Object result = getVolumeList.invoke(mStorageManager);final int length = Array.getLength(result);for (int i = 0; i < length; i++) {Object storageVolumeElement = Array.get(result, i);String path = (String) getPath.invoke(storageVolumeElement);boolean removable = (Boolean) isRemovable.invoke(storageVolumeElement);if (is_removale == removable) {return path;}}} catch (ClassNotFoundException | InvocationTargetException | NoSuchMethodException | IllegalAccessException e) {e.printStackTrace();}return null;}

    /*** 获取SD卡路径** @return*/public static String getSDPath() {String sdPath = null;// 判断sd卡是否存在boolean sdCardExit = Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED);if (sdCardExit) {// 获取根目录sdPath = Environment.getExternalStorageDirectory().toString();}return sdPath;}

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