Check heap size on the android device

CheckHeapActivity.java

package com.miz.heapsize;

import android.app.Activity;
import android.app.ActivityManager;
import android.os.Bundle;
import android.widget.TextView;

public class CheckHeapActivity extends Activity {

    private TextView text;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        ActivityManager am = ((ActivityManager)getSystemService(Activity.ACTIVITY_SERVICE));
        int memory = am.getMemoryClass();
        int largeMemory = am.getLargeMemoryClass();

        text = (TextView) findViewById(R.id.textView1);
        text.setText("Normal heap size: " + memory 
                      + "\nLarge heap size: " + largeMemory);

    }
}