내 앱을 시작할 때 내 TabLayout과 겹치는 Fragment을 제외하고는 모든 것이 정상입니다. 탭 전환은 괜찮지 만 Fragment 레이아웃이 레이아웃 아래에 있는 대신 전체 화면을 덮는 것 같습니다. 해결책을 알고 계신 분이 있습니까? 스크린샷 : https://imgur.com/a/odeKD0W 추가하는 것을 잊지 않았으면 좋겠어요. 그렇다면 저에게 물어보세요. 감사합니다.
Activity_Main
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
TabLayout tabLayout = findViewById(R.id.tabBar);
TabItem tabItem1 = findViewById(R.id.tab1);
TabItem tabItem2 = findViewById(R.id.tab2);
TabItem tabItem3 = findViewById(R.id.tab3);
final ViewPager viewPager = findViewById(R.id.viewPager);
PagerAdapter pagerAdapter = new PagerAdapter(getSupportFragmentManager(), tabLayout.getTabCount());
viewPager.setAdapter(pagerAdapter);
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) {
}
});
viewPager.addOnPageChangeListener(new TabLayout
.TabLayoutOnPageChangeListener(tabLayout));
}
}PagerAdapter class
public class PagerAdapter extends FragmentPagerAdapter {
private int numOfTabs;
public PagerAdapter (FragmentManager fm, int numOfTabs) {
super (fm);
this.numOfTabs = numOfTabs;
}
@NonNull
@Override
public Fragment getItem(int position) {
switch (position){
case 0:
return new FragmentTab1();
case 1:
return new FragmentTab2();
case 2:
return new FragmentTab3();
default:
return null;
}
}
@Override
public int getCount() {
return numOfTabs;
}
}Activity_Main xml
<?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">
<com.google.android.material.tabs.TabLayout
android:id="@+id/tabBar"
android:layout_width="409dp"
android:layout_height="0dp"
android:layout_marginStart="1dp"
android:layout_marginEnd="1dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<com.google.android.material.tabs.TabItem
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/tab1"
android:text="Tab 1" />
<com.google.android.material.tabs.TabItem
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/tab2"
android:text="Tab 2" />
<com.google.android.material.tabs.TabItem
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/tab3"
android:text="Tab 3" />
</com.google.android.material.tabs.TabLayout>
<androidx.viewpager.widget.ViewPager
android:id="@+id/viewPager"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@id/tabBar" />
</androidx.constraintlayout.widget.ConstraintLayout>
