How to Fit Layout on All Screens| Screens Not Working On All Mobiles| How to Fix Landscape Mode

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How to keep layout fit on type of screens in android studio

So, first of all use ConstraintLayout in activity to fit all layout on all screens.

Note :  If you want to fit your layout in landscape mode then 

first use ScrollView and then ConstraintLayout like the given example below.

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">


 
    <!-- use Constraint Layout in ScrollView to to 
       keep screen working in landscape mode   -->
    
    
    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">



    <ImageView
        android:id="@+id/imageView"
        android:layout_width="115dp"
        android:layout_height="108dp"
        android:layout_marginTop="152dp"
        android:src="@mipmap/ic_launcher"
        app:layout_constraintEnd_toStartOf="@+id/imageView2"
        app:layout_constraintHorizontal_bias="0.31"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <ImageView
        android:id="@+id/imageView2"
        android:layout_width="108dp"
        android:layout_height="117dp"
        android:layout_marginEnd="36dp"
        android:layout_marginBottom="36dp"
        android:src="@mipmap/ic_launcher"
        app:layout_constraintBottom_toTopOf="@+id/imageView3"
        app:layout_constraintEnd_toEndOf="parent" />

    <ImageView
        android:id="@+id/imageView3"
        android:layout_width="111dp"
        android:layout_height="108dp"
        android:layout_marginTop="36dp"
        android:src="@mipmap/ic_launcher"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.579"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/imageView" />

    <TextView
        android:id="@+id/textView"
        android:layout_width="337dp"
        android:layout_height="53dp"
        android:text="Use Constraint Layout to Fit Layout on All Screens"
        android:textAlignment="center"
        android:textColor="#E91E63"
        android:textSize="20sp"
        android:textStyle="bold"
        app:layout_constraintBottom_toTopOf="@+id/imageView2"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <Button
        android:id="@+id/button"
        android:layout_width="202dp"
        android:layout_height="69dp"
        android:layout_marginTop="36dp"
        android:text="usmtip"
        android:textSize="24sp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.578"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/imageView3" />


    </androidx.constraintlayout.widget.ConstraintLayout>

</ScrollView>

That's it now run your app test.