android获取存储空间

代码示例：

File dataFile = Environment.getDataDirectory(); // 数据内部存储空间File sdFile = Environment.getExternalStorageDirectory();// 外部存储空间long datasize = dataFile.getTotalSpace();long sdsize = sdFile.getTotalSpace();TextView tv = (TextView) findViewById(R.id.tv);tv.setText("内部存储:" + Formatter.formatFileSize(this, datasize) + "\n"+ "外部sd卡:" + Formatter.formatFileSize(this, sdsize));// 三星  小米  魅族 // /mnt/sdcard// /mnt/storage01// /mnt/stoarge02// /mnt/mount/stoarge01