From:http://blog.youkuaiyun.com/kazeik/article/details/8681498
- 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.util.Log;
- 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;
- Log.i("TAG", "" + 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");
- }
- }
- 需要注意的是,shoot方法只能在view已经被加载后方可调用。
- 或者在 @Override
- public void onWindowFocusChanged(boolean hasFocus) {
- // TODO Auto-generated method stub
- super.onWindowFocusChanged(hasFocus);
- ScreenShot.shoot(this);
- }中调用