学步园

在main.xml中：

<LinearLayout

    xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:gravity="center_horizontal"

    android:background="#000000">

  <Button

      android:layout_marginTop="8dp"

      android:id="@+id/mybut"

      android:layout_width="120dp"

      android:layout_height="40dp"

      android:background="#3399ff"

      android:textColor="#ffffff"

      android:text="打开网页"/>

</LinearLayout>

在MyItentCaseDemo.java中：

package com.li.intentcaseproject;

import android.net.Uri;

import android.os.Bundle;

import android.app.Activity;

import android.content.Intent;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.support.v4.app.NavUtils;

public class MyItentCaseDemo extends Activity {

  private Button mybut = null;

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        super.setContentView(R.layout.main);

        this.mybut = (Button)super.findViewById(R.id.mybut);

        this.mybut.setOnClickListener(new OnClickListenerImpl());

    }

    private class OnClickListenerImpl implements OnClickListener{

     public void onClick(View v) {

       Uri uri = Uri.parse("http://www.hao123.com");  //设置要操作的路径

       Intent it = new Intent();

       it.setAction(Intent.ACTION_VIEW);  //设置要操作的Action

       it.setData(uri); //要设置的数据

       MyItentCaseDemo.this.startActivity(it);   //执行跳转

     }

    }

}