android 跳转浏览器测试代码

package com.example.android_browser;


import java.util.Timer;
import java.util.TimerTask;

import android.net.Uri;

import android.os.Bundle;
import android.R.integer;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class Android_browser extends Activity {
	private Button button = null;
	private Timer timer = null;
	private TimerTask task = null;
	
	private Intent intent = null;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_android_browser);
        button = (Button)findViewById(R.id.button1);
        
        button.setOnClickListener(new MyListener());
        
        final Uri uri = Uri.parse("http://www.baidu.com");
        intent = new Intent(Intent.ACTION_VIEW, uri);
        
        timer = new Timer();
    }
    
    class MyTimerTask extends TimerTask {

		@Override
		public void run() {
			// TODO Auto-generated method stub
			startActivity(intent);
		}
    	
    }
    
    class MyListener implements OnClickListener {

		public void onClick(View v) {
			// TODO Auto-generated method stub
			if(task != null)
				task.cancel();
			task = new MyTimerTask();
			timer.schedule(task, 1000);
		}
    	
    }

}





<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.android_browser"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="15" />

    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name=".Android_browser"
            android:label="@string/title_activity_android_browser" >
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />

                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="android.intent.category.BROWSABLE" />

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>