ScreenShot 截图工具类

import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.Rect;
import android.view.View;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

/**
 * view截图实现
 */
public class ScreenShot {
   private static final String TAG = ScreenShot.class.getSimpleName();

   // 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;
      //      int statusBarHeight = frame.height() - view.getHeight();

      //获取屏幕长和高   
      int width = activity.getWindowManager().getDefaultDisplay().getWidth();
      int height = activity.getWindowManager().getDefaultDisplay().getHeight();

      Logger.d(TAG, "Rect height:" + frame.height() + " Rect   " + frame.width());
      Logger.d(TAG, "view height:" + view.getHeight() + " view     " + view.getWidth());
      Logger.d(TAG, "screen_shot:" + (width - 40) + " " + statusBarHeight + " " + 40 + " " + (height - statusBarHeight));

      //去掉标题栏   
      //Bitmap b = Bitmap.createBitmap(b1, 0, 25, 320, 455);   
      //        Bitmap b = Bitmap.createBitmap(b1, 0, statusBarHeight, width, height - statusBarHeight); //全屏
      Bitmap b = Bitmap.createBitmap(b1, width - 40, statusBarHeight * 2, 40, height - statusBarHeight * 2); //全屏
      view.destroyDrawingCache();
      return b;
   }

   //保存到sdcard   
   private 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 String shoot(Activity a) {
      ScreenShot.savePic(ScreenShot.takeScreenShot(a), "sdcard/maizuo_xx.png");
      return "/maizuo_xx.png";
   }

}