android屏幕截图

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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;                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 void shoot(Activity a){              ScreenShot.savePic(ScreenShot.takeScreenShot(a), "sdcard/xx.png");          }      }
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