展会信息港展会大全

android SurfaceView使用例子
来源:互联网   发布日期:2015-10-13 07:43:24   浏览:1306次  

导读:做游戏一般用SurfaceView[java]瀀愀挀欀愀最攀 com.himi;椀洀瀀漀爀琀 android.content.Context;椀洀瀀漀爀琀 android.g...

做游戏一般用SurfaceView

[java]

package com.himi;

import android.content.Context;

import android.graphics.Canvas;

import android.graphics.Color;

import android.graphics.Paint;

import android.view.SurfaceHolder;

import android.view.SurfaceView;

import android.view.SurfaceHolder.Callback;

import android.view.animation.Animation;

/**

* @author Himi

*/

public class MySurfaceView extends SurfaceView implements Callback, Runnable {// 备注1

private SurfaceHolder sfh;

private Thread th;

private Canvas canvas;

private Paint paint;

private int ScreenW, ScreenH;

public MySurfaceView(Context context) {

super(context);

th = new Thread(this);

sfh = this.getHolder();

sfh.addCallback(this); // 备注1

paint = new Paint();

paint.setAntiAlias(true);

paint.setColor(Color.RED);

this.setKeepScreenOn(true);// 保持屏幕常亮

}

@Override

public void startAnimation(Animation animation) {

super.startAnimation(animation);

}

public void surfaceCreated(SurfaceHolder holder) {

ScreenW = this.getWidth();// 备注2

ScreenH = this.getHeight();

th.start();

}

private void draw() {

try {

canvas = sfh.lockCanvas(); // 得到一个canvas实例

canvas.drawColor(Color.WHITE);// 刷屏

canvas.drawText("Himi", 100, 100, paint);// 画文字文本

canvas.drawText("这就是简单的一个游戏框架", 100, 130, paint);

sfh.unlockCanvasAndPost(canvas); // 将画好的画布提交

} catch (Exception ex) {

} finally { // 备注3

if (canvas != null)

sfh.unlockCanvasAndPost(canvas);

}

}

public void run() {

while (true) {

draw();

try {

Thread.sleep(100);

} catch (InterruptedException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}

public void surfaceChanged(SurfaceHolder holder, int format, int width,

int height) {

}

public void surfaceDestroyed(SurfaceHolder holder) {

// TODO Auto-generated method stub

}

}

赞助本站

人工智能实验室

相关热词: android开发 教程

相关内容
AiLab云推荐
展开

热门栏目HotCates

Copyright © 2010-2024 AiLab Team. 人工智能实验室 版权所有    关于我们 | 联系我们 | 广告服务 | 公司动态 | 免责声明 | 隐私条款 | 工作机会 | 展会港