使用tablatout串fragment
xml程式碼
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.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">
<androidx.viewpager.widget.ViewPager
android:id="@+id/view_pager"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:scaleType="fitXY"
android:paddingBottom="86dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.0" />
<com.google.android.material.tabs.TabLayout
android:id="@+id/tablayoutFragment"
android:layout_width="match_parent"
android:layout_height="86dp"
android:background="#EFE5B4"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent">
<com.google.android.material.tabs.TabItem
android:id="@+id/main"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:icon="@drawable/main"
/>
<com.google.android.material.tabs.TabItem
android:id="@+id/discuss"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:icon="@drawable/main"
/>
<com.google.android.material.tabs.TabItem
android:id="@+id/calender"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:icon="@drawable/calender" />
<com.google.android.material.tabs.TabItem
android:id="@+id/message"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:icon="@drawable/message" />
<com.google.android.material.tabs.TabItem
android:id="@+id/personal"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:icon="@drawable/personal" />
</com.google.android.material.tabs.TabLayout>
</androidx.constraintlayout.widget.ConstraintLayout>
activity程式碼
package com.example.graduationtopic;
import android.os.Bundle;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentPagerAdapter;
import androidx.viewpager.widget.ViewPager;
import com.example.graduationtopic.personal.Personal_Fragment;
import com.google.android.material.tabs.TabLayout;
import java.util.ArrayList;
import java.util.List;
public class MainActivity extends AppCompatActivity {
int num=5;
ViewPager viewPager;
TabLayout tabLayout;
List<Fragment> fragmentlist=new ArrayList<Fragment>();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tabLayout=findViewById(R.id.tablayoutFragment);
tabLayout.setTabMode(TabLayout.MODE_AUTO);
viewPager=findViewById(R.id.view_pager);
fragmentlist.add(new MainFragment());
fragmentlist.add(new Discuss_Fragment());
fragmentlist.add(new Calendar_Fragment());
fragmentlist.add(new MessageFragment());
fragmentlist.add(new Personal_Fragment());
MyAdapter fragmentAdater =new MyAdapter(getSupportFragmentManager());
viewPager.setAdapter(fragmentAdater);
initView();
}
private void initView(){
tabLayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
@Override
public void onTabSelected(TabLayout.Tab tab) {
viewPager.setCurrentItem(tab.getPosition());
}
@Override
public void onTabUnselected(TabLayout.Tab tab) {
}
@Override
public void onTabReselected(TabLayout.Tab tab) {
}
});
}
// tabLayout.setupWithViewPager(viewPager);
// }
public class MyAdapter extends FragmentPagerAdapter {
public MyAdapter(FragmentManager fm){
super(fm);
}
@Override
public int getCount() {
return num;
}
@NonNull
@Override
public Fragment getItem(int position) {
return fragmentlist.get(position);
}
}
}