android 屏幕截屏源码

package net.canking.shottest; 

   

import java.io.File; 

import java.io.FileNotFoundException; 

import java.io.FileOutputStream; 

import java.io.IOException; 

   

import android.app.Activity; 

import android.graphics.Bitmap; 

import android.graphics.Rect; 

import android.view.View; 

   

public class ScreenShot { 

   

    private static Bitmap takeScreenShot(Activity activity) { 

        // View是你需要截图的View 

        View view = activity.getWindow().getDecorView(); 

        view.setDrawingCacheEnabled(true); 

        view.buildDrawingCache(); 

        Bitmap b1 = view.getDrawingCache(); 

   

        // 获取状态栏高度 

        Rect frame = new Rect(); 

        activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame); 

        int statusBarHeight = frame.top; 

   

        // 获取屏幕长和高 

        int width = activity.getWindowManager().getDefaultDisplay().getWidth(); 

        int height = activity.getWindowManager().getDefaultDisplay() 

                .getHeight(); 

        // 去掉标题栏 

        Bitmap b = Bitmap.createBitmap(b1, 0, statusBarHeight, width, height 

                - statusBarHeight); 

        view.destroyDrawingCache(); 

        return b; 

    } 

   

    private static void savePic(Bitmap b, File filePath) { 

        FileOutputStream fos = null; 

        try { 

            fos = new FileOutputStream(filePath); 

            if (null != fos) { 

                b.compress(Bitmap.CompressFormat.PNG, 100, fos); 

                fos.flush(); 

                fos.close(); 

            } 

        } catch (FileNotFoundException e) { 

            // e.printStackTrace(); 

        } catch (IOException e) { 

            // e.printStackTrace(); 

        } 

    } 

   

    public static void shoot(Activity a, File filePath) { 

        if (filePath == null) { 

            return; 

        } 

        if (!filePath.getParentFile().exists()) { 

            filePath.getParentFile().mkdirs(); 

        } 

        ScreenShot.savePic(ScreenShot.takeScreenShot(a), filePath); 

    } 

}