Java tutorial
//package com.java2s; import java.io.File; import android.os.Environment; import android.os.StatFs; public class Main { /** * Checks if there is enough Space on phone self * */ public static boolean enoughSpaceOnPhone(long updateSize) { return getRealSizeOnPhone() > updateSize; } /** * get the space is left over on phone self */ public static long getRealSizeOnPhone() { File path = Environment.getDataDirectory(); StatFs stat = new StatFs(path.getPath()); long blockSize = stat.getBlockSize(); long availableBlocks = stat.getAvailableBlocks(); long realSize = blockSize * availableBlocks; return realSize; } }