标签:android blog http io os java ar div sp
问题:当你的导航在TabActivity中 而子页面的一个button须要切换到当中的某一个导航页面
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还有一个页面的问题 * @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; @Override protected 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); //注冊广播 IntentFilter filter = new IntentFilter("com.example.shows.shows"); TestRevice revice = new TestRevice(); registerReceiver(revice, filter); } class TestRevice extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { //实现跳转 host.setCurrentTabByTag("a"); } } @Override public 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 { @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.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; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.b); show = (Button) findViewById(R.id.ss); show.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // 发送广播 Intent intent = new Intent("com.example.shows.shows"); sendBroadcast(intent); } }); } }
解决TabActivity中子页面不通过导航跳转到还有一个页面的问题
标签:android blog http io os java ar div sp
原文地址:http://www.cnblogs.com/mengfanrong/p/3991304.html