获得所有sd卡挂载目录

StorageUtils.java

public class StorageUtils {

    public static ArrayList<Volume> getVolume(Context context) {
        ArrayList<Volume> list_storagevolume = new ArrayList<Volume>();

        StorageManager storageManager = (StorageManager) context.getSystemService(Context.STORAGE_SERVICE);

        try {
            Method method_volumeList = StorageManager.class.getMethod("getVolumeList");

            method_volumeList.setAccessible(true);

            Object[] volumeList = (Object[]) method_volumeList.invoke(storageManager);
            if (volumeList != null) {
                Volume volume;
                for (Object aVolume : volumeList) {
                    try {
                        volume = new Volume();
                        volume.setPath((String) aVolume.getClass().getMethod("getPath").invoke(aVolume));
                        volume.setRemovable((boolean) aVolume.getClass().getMethod("isRemovable").invoke(aVolume));
                        volume.setState((String) aVolume.getClass().getMethod("getState").invoke(aVolume));
                        list_storagevolume.add(volume);
                    } catch (IllegalAccessException e) {
                        e.printStackTrace();
                    } catch (InvocationTargetException e) {
                        e.printStackTrace();
                    } catch (NoSuchMethodException e) {
                        e.printStackTrace();
                    }

                }
            } else {
                Log.e("null", "null-------------------------------------");
            }
        } catch (Exception e1) {
            e1.printStackTrace();
        }

        return list_storagevolume;
    }



    /*
     存储设备信息封装类
     */
    public static class Volume {
        protected String path;
        protected boolean removable;
        protected String state;

        public String getPath() {
            return path;
        }

        public void setPath(String path) {
            this.path = path;
        }

        public boolean isRemovable() {
            return removable;
        }

        public void setRemovable(boolean removable) {
            this.removable = removable;
        }

        public String getState() {
            return state;
        }

        public void setState(String state) {
            this.state = state;
        }
    }
}