get Target Heap Utilization - Android Hardware

Android examples for Hardware:Memory

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Description

get Target Heap Utilization

Demo Code


//package com.java2s;
import java.lang.reflect.Method;

public class Main {
    public static float getTargetHeapUtilization() {
        try {/*w ww  .j  a  v  a 2 s .  c  o m*/
            Class VMRuntimeClass = Class.forName("dalvik.system.VMRuntime");
            Method getRuntimeMethod = VMRuntimeClass.getMethod(
                    "getRuntime", new Class[0]);
            Class[] arrayOfClass = new Class[1];
            arrayOfClass[0] = Long.TYPE;
            Method getTargetHeapUtilization = VMRuntimeClass.getMethod(
                    "getTargetHeapUtilization", new Class[0]);
            Object runtimeObject = getRuntimeMethod.invoke(null,
                    new Object[0]);
            Float ret = (Float) getTargetHeapUtilization.invoke(
                    runtimeObject, new Object[0]);
            android.util.Log.e("BAIDUMAP_PERFM",
                    "getTargetHeapUtilization:" + ret.floatValue());
            return ret.floatValue();
        } catch (Throwable localThrowable) {
            localThrowable.printStackTrace();
        }
        return 0;
    }
}

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