Android之截屏代码

package com.zhf.ScreenshotDemo;

import Android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.view.Display;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;

本篇文章来源于 Linux公社网站(www.linuxidc.com) 原文链接：http://www.linuxidc.com/Linux/2011-12/50574.htm

public class ScreenshotDemoActivity extends Activity {
private Button shotButton;
private ImageView imageView;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
shotButton=(Button)findViewById(R.id.shotButton);
imageView=(ImageView)findViewById(R.id.imageView);
shotButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
//Bitmap-->Drawable
BitmapDrawable bd=new BitmapDrawable(shot());
imageView.setBackgroundDrawable(bd);
// imageView.setImageBitmap(shot());
}
});
}

/**
* 截屏方法
* @return
*/
private Bitmap shot() {
View view = getWindow().getDecorView();
Display display = this.getWindowManager().getDefaultDisplay();
view.layout(0, 0, display.getWidth(), display.getHeight());
view.setDrawingCacheEnabled(true);//允许当前窗口保存缓存信息，这样getDrawingCache()方法才会返回一个Bitmap
Bitmap bmp = Bitmap.createBitmap(view.getDrawingCache());
return bmp;
}

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