仿照微信朋友圈中点击图片出现大图浏览效果

package com.example.qqviewpager;

import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ImageView;

public class MainActivity extends Activity implements OnClickListener {

	private ImageView mImageView1, mImageView2, mImageView3;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		mImageView1 = (ImageView) this.findViewById(R.id.iv_image1);
		mImageView2 = (ImageView) this.findViewById(R.id.iv_image2);
		mImageView3 = (ImageView) this.findViewById(R.id.iv_image3);
		mImageView1.setOnClickListener(this);
		mImageView2.setOnClickListener(this);
		mImageView3.setOnClickListener(this);
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

	@Override
	public void onClick(View v) {
		// TODO Auto-generated method stub
		// switch (v.getId()) {
		// case R.id.iv_image1:
		//
		// break;
		// case R.id.iv_image2:
		//
		// break;
		// case R.id.iv_image3:
		//
		// break;
		//
		// default:
		// break;
		// }
		Intent mIntent = new Intent();
		mIntent.setClass(this, ViewpagerDemo.class);
		this.startActivity(mIntent);
	}

}
package com.example.qqviewpager;

import androi