android使用include调用内部组件的方法

<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"   android:orientation="vertical"   android:layout_width="fill_parent"   android:layout_height="wrap_content"   android:background="#505050"   > <TextView   android:layout_width="fill_parent"   android:layout_height="wrap_content"   android:text="SubLayout"   /> <Button android:id="@+id/mybutton"   android:layout_width="fill_parent"   android:layout_height="wrap_content"   android:text=" A Button "   /> </LinearLayout> mail.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"   android:orientation="vertical"   android:layout_width="fill_parent"   android:layout_height="fill_parent"   > <TextView   android:layout_width="fill_parent"   android:layout_height="wrap_content"   android:text="@string/hello"   /> <include android:id="@+id/main1" layout="@layout/sublayout" /> <include android:id="@+id/main2" layout="@layout/sublayout" /> <Button   android:id="@+id/startanotheractivity"   android:layout_width="wrap_content"   android:layout_height="wrap_content"   android:text=" Start Another Activity "   /> </LinearLayout> 

package com.AndroidIncludeLayout; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.Toast; public class AndroidIncludeLayout extends Activity {   /** Called when the activity is first created. */   @Override   public void onCreate(Bundle savedInstanceState) {     super.onCreate(savedInstanceState);     setContentView(R.layout.main);     View subLayout1 = (View)findViewById(R.id.main1);     View subLayout2 = (View)findViewById(R.id.main2);     Button myButton_main1 = (Button)subLayout1.findViewById(R.id.mybutton);     Button myButton_main2 = (Button)subLayout2.findViewById(R.id.mybutton);     Button startAnotherActivity = (Button)findViewById(R.id.startanotheractivity);     startAnotherActivity.setOnClickListener(new Button.OnClickListener(){   @Override   public void onClick(View arg0) {   // TODO Auto-generated method stub   Intent intent = new Intent();        intent.setClass(AndroidIncludeLayout.this, AnotherActivity.class);        startActivity(intent);   }});     myButton_main1.setOnClickListener(new Button.OnClickListener(){   @Override   public void onClick(View arg0) {   // TODO Auto-generated method stub   Toast.makeText(AndroidIncludeLayout.this, "Button 1 Pressed", Toast.LENGTH_LONG).show();   }});     myButton_main2.setOnClickListener(new Button.OnClickListener(){   @Override   public void onClick(View arg0) {   // TODO Auto-generated method stub   Toast.makeText(AndroidIncludeLayout.this, "Button 2 Pressed", Toast.LENGTH_LONG).show();   }});   } }

<?xml version="1.0" encoding="utf-8"?> <merge xmlns:android="http://schemas.android.com/apk/res/android"> <TextView   android:layout_width="fill_parent"   android:layout_height="wrap_content"   android:text="SubLayout"   /> <Button android:id="@+id/mybutton"   android:layout_width="fill_parent"   android:layout_height="wrap_content"   android:text=" A Button "   /> </merge>