71_안드로이드 기기 저장공간 가져오기

안드로이드 기기 저장공간 가져오기

• 전체 공간 가져오기

@SuppressWarnings("deprecation")
public static String getTotalInternalMemorySize() {
    File path = Environment.getDataDirectory();
    StatFs stat = new StatFs(path.getPath());
    long blockSize = stat.getBlockSize();
    long totalBlocks = stat.getBlockCount();
    return formatSize(totalBlocks * blockSize);
}

• 사용 가능 공간 가져오기

public static boolean externalMemoryAvailable() {
    return android.os.Environment.getExternalStorageState().equals(
            android.os.Environment.MEDIA_MOUNTED);
}

@SuppressWarnings("deprecation")
public static String getAvailableExternalMemorySize() {
    if (externalMemoryAvailable()) {
        File path = Environment.getExternalStorageDirectory();
        StatFs stat = new StatFs(path.getPath());
        long blockSize = stat.getBlockSize();
        long availableBlocks = stat.getAvailableBlocks();
        return formatSize(availableBlocks * blockSize);
    } else {
        return null;
    }
}


public static String formatSize(long size) {
    String suffix = null;

    if (size >= 1024) {
        suffix = " KB";
        size /= 1024;
        if (size >= 1024) {
            suffix = " MB";
            size /= 1024;
        }
    }

    StringBuilder resultBuffer = new StringBuilder(Long.toString(size));

    int commaOffset = resultBuffer.length() - 3;
    while (commaOffset > 0) {
        resultBuffer.insert(commaOffset, ',');
        commaOffset -= 3;
    }

    if (suffix != null) resultBuffer.append(suffix);
    return resultBuffer.toString();
}