ThirdActivity.java

package com.example.second;

import android.net.Uri;
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.Button;

public class ThirdActivity extends Activity {
	private Button relogin;
	private Button callphone;//创建打电话b2对象

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_third);
		relogin=(Button)findViewById(R.id.relogin);
		callphone=(Button)findViewById(R.id.callphone);
		
		//重新登录跳转到登录界面
		relogin.setOnClickListener(new OnClickListener(){

			@Override
			public void onClick(View arg0) {
				// TODO Auto-generated method stub
				Intent in=new Intent(ThirdActivity.this,MainActivity.class);
				startActivity(in);
				
			}});//relogin
		
		//调用系统电话服务
		callphone.setOnClickListener(new OnClickListener(){

			@Override
			public void onClick(View arg0) {
				// TODO Auto-generated method stub
				Intent in2=new Intent();//创建in2意图对象
				in2.setAction(Intent.ACTION_CALL);//指定意图动作，电话动作
				in2.setData(Uri.parse("tel:100860000"));//指定电话号码，tel 为电话协议
				startActivity(in2);//启动意图
						
			}});//b2
	}

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

}