如何将视图置于屏幕外的Android约束布局中

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如何将视图置于屏幕外的Android约束布局中

view.setTranslationX(view.getWidth() - 20);

<?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"
    android:background="@drawable/game_test_background"
    tools:context=".MainActivity"
    android:id="@+id/constraintLayout">
    <ImageView
        android:id="@+id/imageView_RedRectange_Test"
        android:layout_width="0dp"
        android:layout_height="30dp"
        android:layout_marginTop="-1250dp"
        app:layout_constraintWidth_percent="0.25"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="1.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.048"
        app:srcCompat="@drawable/red_rectangle" />
    <Button
        android:id="@+id/button"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:text="Button"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHeight_percent="0.102"
        app:layout_constraintHorizontal_bias="0.373"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.745"
        app:layout_constraintWidth_percent="0.12" />
</androidx.constraintlayout.widget.ConstraintLayout>

<Button
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:text="Hello World!"
    android:translationX="-60dp"
    android:translationY="-90dp"
    android:translationZ="-420dp"
    app:layout_constraintLeft_toLeftOf="parent"
    app:layout_constraintRight_toRightOf="parent"
    app:layout_constraintTop_toTopOf="parent" />

View view = ...;
view.setTranslationX(-60);
view.setTranslationY(-90);
view.setTranslationZ(-420);

View view = ...;
view.animate().setDuration(1000).translationX(-600).start();

<androidx.constraintlayout.widget.ConstraintLayout   
    android:layout_width="match_parent"  
    android:layout_height="match_parent"  
    android:background="@android:color/holo_green_light">  
    <ImageView  
        android:id="@+id/redRectangle"  
        android:layout_width="100dp"  
        android:layout_height="30dp"  
        android:layout_marginTop="-250dp"  
        android:layout_marginEnd="16dp"  
        app:layout_constraintBottom_toBottomOf="parent"  
        app:layout_constraintEnd_toEndOf="parent"  
        app:layout_constraintTop_toTopOf="parent"  
        app:srcCompat="@drawable/red_rectangle" />  
     <Button  
            android:id="@+id/button"  
            android:layout_width="0dp"  
            android:layout_height="wrap_content"  
            android:text="Button"  
            android:textSize="18sp"  
            app:layout_constraintBottom_toBottomOf="parent"  
            app:layout_constraintEnd_toEndOf="parent"

如何将视图置于屏幕外的Android约束布局中

2 个回答