CoordinatorLayout causes FrameLayout to fall behind the navigation bar at the bottom












1















This is my activity XML:



<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/white"
android:fitsSystemWindows="true">

<include layout="@layout/toolbar" />

<FrameLayout
android:id="@+id/frameLayoutContainer"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />

</android.support.design.widget.CoordinatorLayout>


I replace frameLayoutContainer with a ConstraintLayout-rooted Fragment. It has a Button view at the bottom constrained with app:layout_constraintBottom_toBottomOf="parent"



But the Button view falls behind the navigation bar. I have many activities almost the same structure with this, but they don't have such a problem.



When I replace CoordinatorLayout with a LinearLayout, the problem is solved, but I want to know what is wrong with CoordinatorLayout?










share|improve this question























  • Which style did you apply to this activity?

    – Rade
    Nov 16 '18 at 8:24











  • And one more think, try removing android:fitsSystemWindows="true" from your root layout element.

    – Rade
    Nov 16 '18 at 8:25
















1















This is my activity XML:



<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/white"
android:fitsSystemWindows="true">

<include layout="@layout/toolbar" />

<FrameLayout
android:id="@+id/frameLayoutContainer"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />

</android.support.design.widget.CoordinatorLayout>


I replace frameLayoutContainer with a ConstraintLayout-rooted Fragment. It has a Button view at the bottom constrained with app:layout_constraintBottom_toBottomOf="parent"



But the Button view falls behind the navigation bar. I have many activities almost the same structure with this, but they don't have such a problem.



When I replace CoordinatorLayout with a LinearLayout, the problem is solved, but I want to know what is wrong with CoordinatorLayout?










share|improve this question























  • Which style did you apply to this activity?

    – Rade
    Nov 16 '18 at 8:24











  • And one more think, try removing android:fitsSystemWindows="true" from your root layout element.

    – Rade
    Nov 16 '18 at 8:25














1












1








1








This is my activity XML:



<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/white"
android:fitsSystemWindows="true">

<include layout="@layout/toolbar" />

<FrameLayout
android:id="@+id/frameLayoutContainer"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />

</android.support.design.widget.CoordinatorLayout>


I replace frameLayoutContainer with a ConstraintLayout-rooted Fragment. It has a Button view at the bottom constrained with app:layout_constraintBottom_toBottomOf="parent"



But the Button view falls behind the navigation bar. I have many activities almost the same structure with this, but they don't have such a problem.



When I replace CoordinatorLayout with a LinearLayout, the problem is solved, but I want to know what is wrong with CoordinatorLayout?










share|improve this question














This is my activity XML:



<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/white"
android:fitsSystemWindows="true">

<include layout="@layout/toolbar" />

<FrameLayout
android:id="@+id/frameLayoutContainer"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />

</android.support.design.widget.CoordinatorLayout>


I replace frameLayoutContainer with a ConstraintLayout-rooted Fragment. It has a Button view at the bottom constrained with app:layout_constraintBottom_toBottomOf="parent"



But the Button view falls behind the navigation bar. I have many activities almost the same structure with this, but they don't have such a problem.



When I replace CoordinatorLayout with a LinearLayout, the problem is solved, but I want to know what is wrong with CoordinatorLayout?







android android-coordinatorlayout android-support-design coordinator-layout






share|improve this question













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asked Nov 16 '18 at 8:16









Egemen HamutçuEgemen Hamutçu

45621227




45621227













  • Which style did you apply to this activity?

    – Rade
    Nov 16 '18 at 8:24











  • And one more think, try removing android:fitsSystemWindows="true" from your root layout element.

    – Rade
    Nov 16 '18 at 8:25



















  • Which style did you apply to this activity?

    – Rade
    Nov 16 '18 at 8:24











  • And one more think, try removing android:fitsSystemWindows="true" from your root layout element.

    – Rade
    Nov 16 '18 at 8:25

















Which style did you apply to this activity?

– Rade
Nov 16 '18 at 8:24





Which style did you apply to this activity?

– Rade
Nov 16 '18 at 8:24













And one more think, try removing android:fitsSystemWindows="true" from your root layout element.

– Rade
Nov 16 '18 at 8:25





And one more think, try removing android:fitsSystemWindows="true" from your root layout element.

– Rade
Nov 16 '18 at 8:25












1 Answer
1






active

oldest

votes


















1














The line app:layout_behavior="@string/appbar_scrolling_view_behavior" does all the job. Try to remove this line from your XML file and you will see that the problem happens even if you do not replace frameLayoutContainer with Fragment.



Thus, the solution is to add this line app:layout_behavior="@string/appbar_scrolling_view_behavior" to your root of Fragment (either in your XML or programmatically) and check it.






share|improve this answer
























  • @Egemen Hamutçu Did you check?

    – tm13
    Nov 18 '18 at 6:12












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1 Answer
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active

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1














The line app:layout_behavior="@string/appbar_scrolling_view_behavior" does all the job. Try to remove this line from your XML file and you will see that the problem happens even if you do not replace frameLayoutContainer with Fragment.



Thus, the solution is to add this line app:layout_behavior="@string/appbar_scrolling_view_behavior" to your root of Fragment (either in your XML or programmatically) and check it.






share|improve this answer
























  • @Egemen Hamutçu Did you check?

    – tm13
    Nov 18 '18 at 6:12
















1














The line app:layout_behavior="@string/appbar_scrolling_view_behavior" does all the job. Try to remove this line from your XML file and you will see that the problem happens even if you do not replace frameLayoutContainer with Fragment.



Thus, the solution is to add this line app:layout_behavior="@string/appbar_scrolling_view_behavior" to your root of Fragment (either in your XML or programmatically) and check it.






share|improve this answer
























  • @Egemen Hamutçu Did you check?

    – tm13
    Nov 18 '18 at 6:12














1












1








1







The line app:layout_behavior="@string/appbar_scrolling_view_behavior" does all the job. Try to remove this line from your XML file and you will see that the problem happens even if you do not replace frameLayoutContainer with Fragment.



Thus, the solution is to add this line app:layout_behavior="@string/appbar_scrolling_view_behavior" to your root of Fragment (either in your XML or programmatically) and check it.






share|improve this answer













The line app:layout_behavior="@string/appbar_scrolling_view_behavior" does all the job. Try to remove this line from your XML file and you will see that the problem happens even if you do not replace frameLayoutContainer with Fragment.



Thus, the solution is to add this line app:layout_behavior="@string/appbar_scrolling_view_behavior" to your root of Fragment (either in your XML or programmatically) and check it.







share|improve this answer












share|improve this answer



share|improve this answer










answered Nov 16 '18 at 10:45









tm13tm13

5981521




5981521













  • @Egemen Hamutçu Did you check?

    – tm13
    Nov 18 '18 at 6:12



















  • @Egemen Hamutçu Did you check?

    – tm13
    Nov 18 '18 at 6:12

















@Egemen Hamutçu Did you check?

– tm13
Nov 18 '18 at 6:12





@Egemen Hamutçu Did you check?

– tm13
Nov 18 '18 at 6:12




















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