package com.liyoro.phonescreenshot;

import java.io.ByteArrayOutputStream;

import java.io.IOException;

import android.os.Bundle;

import android.app.Activity; import android.graphics.Bitmap; import android.graphics.Bitmap.Config; import android.graphics.BitmapFactory; import android.view.Display; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.view.WindowManager; import android.widget.Button; import android.widget.ImageView;

/**

 * 手机截屏  * @author liyoro  *  *  */ public class MainActivity extends Activity {  private ImageView mImageView = null;  private Button mButton = null;    @Override  public void onCreate(Bundle savedInstanceState) {   super.onCreate(savedInstanceState);   setContentView(R.layout.activity_main);

  mButton = (Button)findViewById(R.id.button);

  mImageView = (ImageView)findViewById(R.id.p_w_picpathview);   mButton.setOnClickListener(new OnClickListener() {        @Override    public void onClick(View v) {

    Bitmap mBitmap = Bytes2Bimap(getCurScreenPic(MainActivity.this));

    mImageView.setImageBitmap(mBitmap);    }   });  }

 @Override

 public boolean onCreateOptionsMenu(Menu menu) {   getMenuInflater().inflate(R.menu.activity_main, menu);   return true;  }

 public static byte[] getCurScreenPic(Activity activity) {

  // 1.构建Bitmap   WindowManager windowManager = activity.getWindowManager();   Display display = windowManager.getDefaultDisplay();   int w = display.getWidth();   int h = display.getHeight();

  Bitmap Bmp = Bitmap.createBitmap(w, h, Config.ARGB_8888);

  // 2.获取屏幕

  View decorview = activity.getWindow().getDecorView();   decorview.setDrawingCacheEnabled(true);   Bmp = decorview.getDrawingCache();

  ByteArrayOutputStream baos = new ByteArrayOutputStream();

  Bmp.compress(Bitmap.CompressFormat.PNG, 90, baos);

  byte[] b = baos.toByteArray();

  try {

   baos.flush();    baos.close();   } catch (IOException e) {    e.printStackTrace();   }   return b;  }

 private Bitmap Bytes2Bimap(byte[] b) {

  if (b.length != 0) {    return BitmapFactory.decodeByteArray(b, 0, b.length);   } else {    return null;   }  } }