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<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:drawable="@mipmap/tab_channel_pressed" android:state_checked="true" />
    <item android:drawable="@mipmap/tab_channel_normal" />
</selector>

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:color="@color/text_yellow" android:state_checked="true" />
    <item android:color="@color/text_gray" />
</selector>

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_selected="true">
        <shape>
            <solid android:color="#FFC4C4C4" />
        </shape>
    </item>
    <item>
        <shape>
            <solid android:color="@color/transparent" />
        </shape>
    </item>
</selector>

<RadioButton
            android:id="@+id/rb_channel"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:background="@drawable/tab_menu_bg"
            android:button="@null"
            android:drawableTop="@drawable/tab_menu_channel"
            android:gravity="center"
            android:paddingTop="3dp"
            android:text="@string/tab_menu_alert"
            android:textColor="@drawable/tab_menu_text"
            android:textSize="18sp" />

<style name="tab_menu_item">
    <item name="android:layout_width">0dp</item>
    <item name="android:layout_weight">1</item>
    <item name="android:layout_height">match_parent</item>
    <item name="android:background">@drawable/tab_menu_bg</item>
    <item name="android:button">@null</item>
    <item name="android:gravity">center</item>
    <item name="android:paddingTop">3dp</item>
    <item name="android:textColor">@drawable/tab_menu_text</item>
    <item name="android:textSize">18sp</item>
</style>

<RelativeLayout 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:background="@color/bg_gray"
    tools:context=".MainActivity">

    <RelativeLayout
        android:id="@+id/ly_top_bar"
        android:layout_width="match_parent"
        android:layout_height="48dp"
        android:background="@color/bg_topbar">

        <TextView
            android:id="@+id/txt_topbar"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_centerInParent="true"
            android:gravity="center"
            android:text="信息"
            android:textColor="@color/text_topbar"
            android:textSize="18sp" />

        <View
            android:layout_width="match_parent"
            android:layout_height="2px"
            android:layout_alignParentBottom="true"
            android:background="@color/div_white" />

    </RelativeLayout>

    <RadioGroup
        android:id="@+id/rg_tab_bar"
        android:layout_width="match_parent"
        android:layout_height="56dp"
        android:layout_alignParentBottom="true"
        android:background="@color/bg_white"
        android:orientation="horizontal">

        <RadioButton
            android:id="@+id/rb_channel"
            style="@style/tab_menu_item"
            android:drawableTop="@drawable/tab_menu_channel"
            android:text="@string/tab_menu_alert" />

        <RadioButton
            android:id="@+id/rb_message"
            style="@style/tab_menu_item"
            android:drawableTop="@drawable/tab_menu_message"
            android:text="@string/tab_menu_profile" />

        <RadioButton
            android:id="@+id/rb_better"
            style="@style/tab_menu_item"
            android:drawableTop="@drawable/tab_menu_better"
            android:text="@string/tab_menu_pay" />

        &lt;RadioButton
            android:id="@+id/rb_setting"
            style="@style/tab_menu_item"
            android:drawableTop="@drawable/tab_menu_setting"

<RadioGroup>
    <RadioButton
        android:text="@string/tab_menu_setting"/>
    </RadioGroup>

    <View
        android:id="@+id/div_tab_bar"
        android:layout_width="match_parent"
        android:layout_height="2px"
        android:layout_above="@id/rg_tab_bar"
        android:background="@color/div_white" />

    <FrameLayout
        android:id="@+id/ly_content"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_above="@id/div_tab_bar"
        android:layout_below="@id/ly_top_bar"></FrameLayout>

</RelativeLayout>

android:theme="@style/Theme.AppCompat.NoActionBar"

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/bg_white">

    <TextView
        android:id="@+id/txt_content"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"
        android:text="呵呵"
        android:textColor="@color/text_yellow"
        android:textSize="20sp"/>

</LinearLayout>

/**
 * Created by Coder-pig on 2015/8/29 0028.
 */
public class MyFragment extends Fragment {

    private String content;
    public MyFragment(String content) {
        this.content = content;
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fg_content,container,false);
        TextView txt_content = (TextView) view.findViewById(R.id.txt_content);
        txt_content.setText(content);
        return view;
    }
}

/**
 * Created by Coder-pig on 2015/8/29 0028.
 */
public class MainActivity extends AppCompatActivity implements RadioGroup.OnCheckedChangeListener{

    private RadioGroup rg_tab_bar;
    private RadioButton rb_channel;

    //Fragment Object
    private MyFragment fg1,fg2,fg3,fg4;
    private FragmentManager fManager;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        fManager = getFragmentManager();
        rg_tab_bar = (RadioGroup) findViewById(R.id.rg_tab_bar);
        rg_tab_bar.setOnCheckedChangeListener(this);
        //Get the first radio button and set it to checked state
        rb_channel = (RadioButton) findViewById(R.id.rb_channel);
        rb_channel.setChecked(true);
    }


    @Override
    public void onCheckedChanged(RadioGroup group, int checkedId) {
        FragmentTransaction fTransaction = fManager.beginTransaction();
        hideAllFragment(fTransaction);
        switch (checkedId){
            case R.id.rb_channel:
                if(fg1 == null){
                    fg1 = new MyFragment("First Fragment");
                    fTransaction.add(R.id.ly_content,fg1);
                }else{
                    fTransaction.show(fg1);
                }
                break;
            case R.id.rb_message:
                if(fg2 == null){
                    fg2 = new MyFragment("Second Fragment");
                    fTransaction.add(R.id.ly_content,fg2);
                }else{
                    fTransaction.show(fg2);
                }
                break;
            case R.id.rb_better:
                if(fg3 == null){
                    fg3 = new MyFragment("Third Fragment");
                    fTransaction.add(R.id.ly_content,fg3);
                }else{
                    fTransaction.show(fg3);
                }
                break;
            case R.id.rb_setting:
                if(fg4 == null){
                    fg4 = new MyFragment("Fourth Fragment");
                    fTransaction.add(R.id.ly_content,fg4);
                }else{
                    fTransaction.show(fg4);
                }
                break;
        }
        fTransaction.commit();
    }

    //Hide all fragments
    private void hideAllFragment(FragmentTransaction fragmentTransaction){
        if(fg1 != null)fragmentTransaction.hide(fg1);
        if(fg2 != null)fragmentTransaction.hide(fg2);
        if(fg3 != null)fragmentTransaction.hide(fg3);
        if(fg4 != null)fragmentTransaction.hide(fg4);
    }

}