Android SD卡状态和剩余空间

View Code 1 public void getSDCardStateAndAvailableSize() {
2 String state = Environment.getExternalStorageState();
3 Log.d("xzy", "sd state is : " + state);
4
5 if (Environment.MEDIA_CHECKING.equals(state)) {
6 Log.i("xzy", "preparing");
7 }
8 if (!Environment.MEDIA_MOUNTED.equals(state)) {
9 Log.i("xzy", "unavailable");
return;
}

String direction = Environment.getExternalStorageDirectory().toString();
Log.i("xzy", "direction is : " + direction);

try {
StatFs stat = new StatFs(direction);
Log.i("xzy",
"available size is: " + stat.getAvailableBlocks() * (long) stat.getBlockSize() / 1024f /1024f + "MB");
} catch (Exception e) {
Log.i("xzy", "get sdcard useful size error");
}
}

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