package com.test.printertestdemo;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;

import android.app.ActivityManager;
import android.content.Context;

public class MemInfo {
	

    // Get available memory
    public static long getmem_UNUSED(Context mContext) {
        long MEM_UNUSED;
        // Get ActivityManager
        ActivityManager am = (ActivityManager) mContext.getSystemService(Context.ACTIVITY_SERVICE);	
        // Create ActivityManager.MemoryInfo object        
        ActivityManager.MemoryInfo mi = new ActivityManager.MemoryInfo();
        am.getMemoryInfo(mi);
        // Get the remaining memory space      
        MEM_UNUSED = mi.availMem/1048576;
        return MEM_UNUSED;
    }

    // Get total memory
    public static long getmem_TOLAL() {
        long mTotal;
        // Interpret the kernel information read by /proc/meminfo
        String path = "/proc/meminfo";
        String content = null;
        BufferedReader br = null;
        try {
            br = new BufferedReader(new FileReader(path), 8);
            String line;
            if ((line = br.readLine()) != null) {
                content = line;
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (br != null) {
                try {
                    br.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        // beginIndex
        int begin = content.indexOf(':');
        // endIndex
        int end = content.indexOf('k');
        // Intercept string information	
        content = content.substring(begin + 1, end).trim();
        mTotal = Integer.parseInt(content);
        return mTotal;
    }
}