好久没用广播了 忘记了

转载请注明出处:http://blog.csdn.net/x605940745

demo下载地址：http://download.csdn.net/detail/x605940745/7353695

package com.example.shows;import android.app.TabActivity;import android.content.BroadcastReceiver;import android.content.Context;import android.content.Intent;import android.content.IntentFilter;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.TabHost;/** * 解决TabActivity中子页面不通过导航跳转到另一个页面的问题 * @author xionglh * */@SuppressWarnings("deprecation")public class MainActivity extends TabActivity implements OnClickListener {private Intent aIntent;private Intent bIntent;private TabHost host;private Button show1;private Button show2;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);aIntent = new Intent(this, ActivityA.class);bIntent = new Intent(this, ActivityB.class);host = getTabHost();host.addTab(host.newTabSpec("a").setIndicator("a").setContent(aIntent));host.addTab(host.newTabSpec("b").setIndicator("b").setContent(bIntent));show1 = (Button) findViewById(R.id.bt_showa);show2 = (Button) findViewById(R.id.bt_showb);show1.setOnClickListener(this);show2.setOnClickListener(this);//注册广播IntentFilter filter = new IntentFilter("com.example.shows.shows");TestRevice revice = new TestRevice();registerReceiver(revice, filter);}class TestRevice extends BroadcastReceiver {@Overridepublic void onReceive(Context context, Intent intent) {//实现跳转host.setCurrentTabByTag("a");}}@Overridepublic void onClick(View v) {switch (v.getId()) {case R.id.bt_showa:host.setCurrentTabByTag("a");break;case R.id.bt_showb:host.setCurrentTabByTag("b");default:break;}}}

 

package com.example.shows;import android.app.Activity;import android.os.Bundle;public class ActivityA extends Activity {@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.a);}}

 

package com.example.shows;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;public class ActivityB extends Activity {private Button show;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.b);show = (Button) findViewById(R.id.ss);show.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {// 发送广播Intent intent = new Intent("com.example.shows.shows");sendBroadcast(intent);}});}}