MainActivity
public class MainActivity extends FragmentActivity implements OnClickListener {
private TextView tab1, tab2, tab3, tab4;
private FragmentManager fragmentManager;
private FragmentTransaction transaction;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tab1 = (TextView) this.findViewById(R.id.tab1);
tab2 = (TextView) this.findViewById(R.id.tab2);
tab3 = (TextView) this.findViewById(R.id.tab3);
tab4 = (TextView) this.findViewById(R.id.tab4);
tab1.setOnClickListener(this);
tab2.setOnClickListener(this);
tab3.setOnClickListener(this);
tab4.setOnClickListener(this);
fragmentManager = getSupportFragmentManager();
transaction = fragmentManager.beginTransaction();
transaction.replace(R.id.content, new Fragment1());
transaction.commit();
}
@Override
public void onClick(View arg0) {
transaction = fragmentManager.beginTransaction();
switch (arg0.getId()) {
case R.id.tab1:
transaction.replace(R.id.content, new Fragment1());
break;
case R.id.tab2:
transaction.replace(R.id.content, new Fragment2());
break;
case R.id.tab3:
transaction.replace(R.id.content, new Fragment3());
break;
case R.id.tab4:
transaction.replace(R.id.content, new Fragment4());
break;
}
transaction.commit();
}
}
四个Fragment
public class Fragment1 extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
return inflater.inflate(R.layout.fragment1, null);
}
}
public class Fragment2 extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
return inflater.inflate(R.layout.fragment2, null);
}
}
public class Fragment3 extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
return inflater.inflate(R.layout.fragment3, null);
}
}
public class Fragment4 extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
return inflater.inflate(R.layout.fragment4, null);
}
}
布局文件
activity_main
<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=".MainActivity" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:orientation="horizontal" >
<TextView
android:id="@+id/tab1"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:text="体育新闻" />
<TextView
android:id="@+id/tab2"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:text="社会新闻" />
<TextView
android:id="@+id/tab3"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:text="国内新闻" />
<TextView
android:id="@+id/tab4"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:text="国际新闻" />
</LinearLayout>
<LinearLayout
android:id="@+id/content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:orientation="vertical" >
</LinearLayout>
</LinearLayout>
四个Fragment布局文件
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:orientation="vertical" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="体育新闻" />
</LinearLayout>