蒼木浩界之家

筆記一下如何擷取螢幕圖片

當然也可以取某段串FB之類的APK分享囉

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 {  
    // 得到指定Activity的截圖，儲存成png
    private static Bitmap takeScreenShot(Activity activity){  
        //View是你需要截圖的View  
        View view = activity.getWindow().getDecorView();  
        view.setDrawingCacheEnabled(true);  
        view.buildDrawingCache();  
        Bitmap b1 = view.getDrawingCache();  
          
        //得到狀態列高度  
        Rect frame = new Rect();    
        activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);    
        int statusBarHeight = frame.top;   
          
        //得到螢幕長和高　
        int width = activity.getWindowManager().getDefaultDisplay().getWidth();    
        int height = activity.getWindowManager().getDefaultDisplay().getHeight();    
        //去掉標題列  
        //Bitmap b = Bitmap.createBitmap(b1, 0, 25, 320, 455);  
        Bitmap b = Bitmap.createBitmap(b1, 0, statusBarHeight, width, height - statusBarHeight);  
        view.destroyDrawingCache();  
        return b;  
    }  
      
    //儲存到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();  
        }  
    }  
      
      
    public static void shoot(Activity a){  
        ScreenShot.savePic(ScreenShot.takeScreenShot(a), "sdcard/xx.png");  
    }  
}