用TabHost 來實現(xiàn)頂部選項卡，上代碼：activity_main.xml

<?xml version='1.0' encoding='utf-8'?><android.support.constraint.ConstraintLayout xmlns:android='http://schemas.android.com/apk/res/android' xmlns:app='http://schemas.android.com/apk/res-auto' xmlns:tools='http://schemas.android.com/tools' android:layout_width='match_parent' android:layout_height='match_parent' tools:context='.MainActivity'> <TabHost android: android:layout_width='match_parent' android:layout_height='0dp'> <LinearLayout android:layout_width='match_parent' android:layout_height='match_parent' android:orientation='vertical'> <TabWidgetandroid: android:layout_width='match_parent'android:layout_height='wrap_content' /> <FrameLayoutandroid: android:layout_width='match_parent'android:layout_height='match_parent'><LinearLayout android: android:layout_width='match_parent' android:layout_height='match_parent' android:orientation='vertical'></LinearLayout><LinearLayout android: android:layout_width='match_parent' android:layout_height='match_parent' android:orientation='vertical'></LinearLayout><LinearLayout android: android:layout_width='match_parent' android:layout_height='match_parent' android:orientation='vertical'></LinearLayout> </FrameLayout> </LinearLayout> </TabHost></android.support.constraint.ConstraintLayout>

主方法MainActivity.java

package action.sun.com.tabhost;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.util.Log;import android.widget.TabHost;public class MainActivity extends AppCompatActivity { private TabHost tabhost; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); //得到TabHost對象實例 tabhost =(TabHost) findViewById(R.id.tabMenu); //調(diào)用 TabHost.setup() tabhost.setup(); //創(chuàng)建Tab標簽 tabhost.addTab(tabhost.newTabSpec('one').setIndicator('紅色').setContent(R.id.tab1)); tabhost.addTab(tabhost.newTabSpec('two').setIndicator('黃色').setContent(R.id.tab2)); tabhost.addTab(tabhost.newTabSpec('three').setIndicator('黃色').setContent(R.id.tab3)); tabhost.setOnTabChangedListener(new TabHost.OnTabChangeListener() { @Override public void onTabChanged(String s) {Log.d('xxx', 'onTabChanged: ='+s);if (s.equals('one')){ //可是讓viewpage的視圖顯示出來 //viewPager.setCurrentItem(0);}else if (s.equals('two')){ ////可是讓viewpage的視圖顯示出來 // viewPager.setCurrentItem(1);} } }); }}

實現(xiàn)效果

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