android屏幕截图

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 {// 获取指定Activity的截屏，保存到png文件private static Bitmap takeScreenShot(Activity activity){//View是你需要截图的ViewView 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;      System.out.println(statusBarHeight);        //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, 25, 320, 455);    Bitmap b = Bitmap.createBitmap(b1, 0, statusBarHeight, width, height - statusBarHeight);    view.destroyDrawingCache();    return b;}//保存到sdcardprivate static void savePic(Bitmap b,String strFileName){    FileOutputStream fos = null;    try {fos = new FileOutputStream(strFileName);if (null != fos){b.compress(Bitmap.CompressFormat.PNG, 90, fos);fos.flush();fos.close();}} catch (FileNotFoundException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}//程序入口public static void shoot(Activity a){ScreenShot.savePic(ScreenShot.takeScreenShot(a), "sdcard/xx.png");}}
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