Androidスクリーンショット

開発ではスクリーンショットの機能がよく使われていますが、機能コードは以下の通りです.

package com.jimubox.screenshot;

import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.os.Environment;
import android.view.Display;
import android.view.View;
import android.view.WindowManager;
import android.widget.Toast;

import java.io.File;
import java.io.FileOutputStream;

/**
 * Created by jimubox on 2015/2/5.
 */
public class ScreenUtil {
    /**
     *             
     */
    public static void GetandSaveCurrentImage(Activity context) {
        //  Bitmap
        WindowManager windowManager = context.getWindowManager();
        Display display = windowManager.getDefaultDisplay();
        int w = display.getWidth();
        int h = display.getHeight();
        Bitmap Bmp = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
        //    
        View decorview = context.getWindow().getDecorView();
        decorview.setDrawingCacheEnabled(true);
        Bmp = decorview.getDrawingCache();
        //      
        String SavePath = getSDCardPath() + "/Demo/ScreenImages";
         //  Bitmap
        try {
            File path = new File(SavePath);
            //  
            String filepath = SavePath + "/Screen_1.png";
            File file = new File(filepath);
            if (!path.exists()) {
                path.mkdirs();
            }
            if (!file.exists()) {
                file.createNewFile();
            }
            FileOutputStream fos = null;
            fos = new FileOutputStream(file);
            if (null != fos) {
                Bmp.compress(Bitmap.CompressFormat.PNG, 90, fos);
                fos.flush();
                fos.close();
                Toast.makeText(context, "        SDCard/ScreenImages/   ", Toast.LENGTH_LONG).show();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     *   SDCard       
     *
     * @return
     */
    private static String getSDCardPath() {
        File sdcardDir = null;
        //  SDCard    
        boolean sdcardExist = Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED);
        if (sdcardExist) {
            sdcardDir = Environment.getExternalStorageDirectory();
        }
        return sdcardDir.toString();
    }

    /**
     *          
     */
    public static Bitmap getScreenImg(Activity context) {
        //  Bitmap
        WindowManager windowManager = context.getWindowManager();
        Display display = windowManager.getDefaultDisplay();
        int w = display.getWidth();
        int h = display.getHeight();
        Bitmap Bmp = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
        //    
        View decorview = context.getWindow().getDecorView();
        decorview.setDrawingCacheEnabled(true);
        Bmp = decorview.getDrawingCache();
        return Bmp;
    }
}