计算手机可用内存和SD卡剩余

//计算磁盘和手机可用空间
private void initTitle() {
    String path = Environment.getDataDirectory().getAbsolutePath();
    String sdPath = Environment.getExternalStorageDirectory().getPath();
    String pathavailble = Formatter.formatFileSize(mContext, getAvailSpace(path));
    String sdPathvailble = Formatter.formatFileSize(mContext, getAvailSpace(sdPath));
 
    mPhoneUse.setText("手机可用:" + pathavailble+"/");
    mSdUse.setText("sd卡可用:" + sdPathvailble);
}

private long getAvailSpace(String path) {
    StatFs statFs = new StatFs(path);
    return (long) statFs.getBlockCount() * statFs.getBlockSize();
}