androidstudio安卓获取外部sd卡存储

标签：rac   targe   not   boolean   get   dex   cat   trace   ems   

private 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 = null;
            try {
                path = (String) getPath.invoke(storageVolumeElement);
            } catch (InvocationTargetException e) {
                e.printStackTrace();
            }
            boolean removable = (Boolean) isRemovable.invoke(storageVolumeElement);
            if (is_removale == removable) {
                return path;
            }
        }
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
    } catch (InvocationTargetException e) {
        e.printStackTrace();
    } catch (NoSuchMethodException e) {
        e.printStackTrace();
    } catch (IllegalAccessException e) {
        e.printStackTrace();
    }
    return null;
}

androidstudio安卓获取外部sd卡存储

标签：rac   targe   not   boolean   get   dex   cat   trace   ems   

原文地址：https://www.cnblogs.com/zyb2016/p/13561108.html