Add Android apk SDK source code

android

2024-07-25 2dcf9cc893a27c50d538baf8b5d47ff06fe495d8

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<?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=".LedActivity"> 
 
    <Button 
        android:id="@+id/yellow" 
        android:layout_width="wrap_content" 
        android:layout_height="wrap_content" 
        android:text="yellow" 
        app:layout_constraintBottom_toBottomOf="parent" 
        app:layout_constraintEnd_toEndOf="parent" 
        app:layout_constraintHorizontal_bias="0.506" 
        app:layout_constraintStart_toStartOf="parent" 
        app:layout_constraintTop_toTopOf="parent" 
        app:layout_constraintVertical_bias="0.519" /> 
 
    <Button 
        android:id="@+id/red" 
        android:layout_width="wrap_content" 
        android:layout_height="wrap_content" 
        android:text="red" 
        app:layout_constraintBottom_toBottomOf="parent" 
        app:layout_constraintEnd_toEndOf="parent" 
        app:layout_constraintHorizontal_bias="0.146" 
        app:layout_constraintStart_toStartOf="parent" 
        app:layout_constraintTop_toTopOf="parent" 
        app:layout_constraintVertical_bias="0.519" /> 
 
    <TextView 
        android:id="@+id/sample_text" 
        android:layout_width="200dp" 
        android:layout_height="45dp" 
        android:text="LedDemo RK3568" 
        android:textSize="20sp" 
        android:gravity="center" 
        app:layout_constraintBottom_toBottomOf="parent" 
        app:layout_constraintEnd_toEndOf="parent" 
        app:layout_constraintStart_toStartOf="parent" 
        app:layout_constraintTop_toTopOf="parent" 
        app:layout_constraintVertical_bias="0.286" /> 
 
    <Button 
        android:id="@+id/green" 
        android:layout_width="wrap_content" 
        android:layout_height="wrap_content" 
        android:text="green" 
        app:layout_constraintBottom_toBottomOf="parent" 
        app:layout_constraintEnd_toEndOf="parent" 
        app:layout_constraintHorizontal_bias="0.873" 
        app:layout_constraintStart_toStartOf="parent" 
        app:layout_constraintTop_toTopOf="parent" 
        app:layout_constraintVertical_bias="0.519" /> 
 
    <ImageView 
        android:id="@+id/imageRed" 
        android:layout_width="45dp" 
        android:layout_height="45dp" 
        app:srcCompat="@android:drawable/presence_invisible" 
        app:layout_constraintBottom_toBottomOf="parent" 
        app:layout_constraintEnd_toEndOf="parent" 
        app:layout_constraintHorizontal_bias="0.15" 
        app:layout_constraintStart_toStartOf="parent" 
        app:layout_constraintTop_toTopOf="parent" 
        app:layout_constraintVertical_bias="0.4" 
        tools:layout_editor_absoluteX="59dp" 
        tools:layout_editor_absoluteY="289dp" /> 
 
    <ImageView 
        android:id="@+id/imageGreen" 
        android:layout_width="45dp" 
        android:layout_height="45dp" 
        app:layout_constraintBottom_toBottomOf="parent" 
        app:layout_constraintEnd_toEndOf="parent" 
        app:layout_constraintHorizontal_bias="0.86" 
        app:layout_constraintStart_toStartOf="parent" 
        app:layout_constraintTop_toTopOf="parent" 
        app:layout_constraintVertical_bias="0.4" 
        app:srcCompat="@android:drawable/presence_invisible" /> 
 
    <ImageView 
        android:id="@+id/imageYellow" 
        android:layout_width="45dp" 
        android:layout_height="45dp" 
        app:layout_constraintBottom_toBottomOf="parent" 
        app:layout_constraintEnd_toEndOf="parent" 
        app:layout_constraintStart_toStartOf="parent" 
        app:layout_constraintTop_toTopOf="parent" 
        app:layout_constraintVertical_bias="0.4" 
        app:srcCompat="@android:drawable/presence_invisible" /> 
 
</androidx.constraintlayout.widget.ConstraintLayout>