Fragment

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:orientation="vertical"

>

<RelativeLayout

android:layout_weight="1"

android:id="@+id/rl_1"

android:background="#ff0"

android:layout_width="match_parent"

android:layout_height="match_parent" >

</RelativeLayout>

<RelativeLayout

android:layout_weight="1"

android:id="@+id/rl_2"

android:background="#f00"

android:layout_width="match_parent"

android:layout_height="match_parent" >

</RelativeLayout>

</LinearLayout>

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public class MainActivity extends FragmentActivity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

// 得到Fragment的管理者

FragmentManager supportFragmentManager = getSupportFragmentManager();

// 开启事务

FragmentTransaction beginTransaction = supportFragmentManager

.beginTransaction();

// 得到Fragment_1对象

Fragment_1 fragment_1 = new Fragment_1();

Fragment_2 fragment_2 = new Fragment_2();

// 添加Fragment_1到布局文件;参数一:被填充的布局,参数二:要填充的fragment

beginTransaction.add(R.id.rl_1, fragment_1);

beginTransaction.add(R.id.rl_2, fragment_2);

// 提交事务

beginTransaction.commit();

}

}