xml:
<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”
tools:context=”com.example.fragment123.MainActivity”
>
<LinearLayout
android:layout_width=”fill_parent”
android:layout_height=”match_parent”
android:orientation=”horizontal”
>
<TextView
android:id=”@+id/tab1″
android:layout_width=”0dip”
android:layout_height=”wrap_content”
android:layout_weight=”1″
android:gravity=”center”
android:text=”选项1″
/>
<TextView
android:id=”@+id/tab2″
android:layout_width=”0dip”
android:layout_height=”wrap_content”
android:layout_weight=”1″
android:gravity=”center”
android:text=”选项2″
/>
<TextView
android:id=”@+id/tab3″
android:layout_width=”0dip”
android:layout_height=”wrap_content”
android:layout_weight=”1″
android:gravity=”center”
android:text=”选项3″
/>
<TextView
android:id=”@+id/tab4″
android:layout_width=”0dip”
android:layout_height=”wrap_content”
android:layout_weight=”1″
android:gravity=”center”
android:text=”选项4″
/>
</LinearLayout>
<LinearLayout
android:id=”@+id/content”
android:layout_width=”fill_parent”
android:layout_height=”fill_parent”
android:orientation=”vertical” >
</LinearLayout>
</LinearLayout>
代码：
import android.app.Activity;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.LinearLayout;
import android.widget.TextView;
public class MainActivity extends Activity implements OnClickListener {
private LinearLayout content;
private TextView tv1,tv2,tv3,tv4;
private FragmentManager fm;
private FragmentTransaction ft;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
content = (LinearLayout) findViewById(R.id.content);
tv1 = (TextView) findViewById(R.id.tab1);
tv2 = (TextView) findViewById(R.id.tab2);
tv3 = (TextView) findViewById(R.id.tab3);
tv4 = (TextView) findViewById(R.id.tab4);
tv1.setOnClickListener(this);
tv2.setOnClickListener(this);
tv3.setOnClickListener(this);
tv4.setOnClickListener(this);
fm = getFragmentManager();
ft = fm.beginTransaction();
ft.replace(R.id.content, new Fragment1());
ft.commit();
}
@Override
public void onClick(View v) {
ft = fm.beginTransaction();
switch (v.getId()) {
case R.id.tab1:
ft.replace(R.id.content, new Fragment1());
break;
case R.id.tab2:
ft.replace(R.id.content, new Fragment2());
break;
case R.id.tab3:
ft.replace(R.id.content, new Fragment3());
break;
case R.id.tab4:
ft.replace(R.id.content, new Fragment4());
break;
default:
break;
}
ft.commit();
}
}