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martarodriguezm/example_constraintlayout.xml

Created September 29, 2025 17:06
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  1. martarodriguezm created this gist Sep 29, 2025.
    100 changes: 100 additions & 0 deletions example_constraintlayout.xml
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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"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="16dp">

    <!-- Título arriba centrado -->
    <TextView
    android:id="@+id/tvTitle"
    android:layout_width="0dp"
    android:layout_height="wrap_content"
    android:text="Ejemplo ConstraintLayout"
    android:textSize="20sp"
    android:textStyle="bold"
    android:gravity="center"
    app:layout_constraintTop_toTopOf="parent"
    app:layout_constraintStart_toStartOf="parent"
    app:layout_constraintEnd_toEndOf="parent"/>

    <EditText
    android:id="@+id/etName"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:hint="Nombre"
    app:layout_constraintTop_toBottomOf="@id/tvTitle"
    app:layout_constraintStart_toStartOf="parent"
    app:layout_constraintEnd_toEndOf="parent"
    app:layout_constraintHorizontal_bias="0.7"
    android:layout_marginEnd="8dp"/>

    <EditText
    android:id="@+id/etSurname"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:hint="Apellido"
    app:layout_constraintTop_toBottomOf="@id/etName"
    app:layout_constraintStart_toStartOf="parent"
    app:layout_constraintEnd_toEndOf="parent"
    app:layout_constraintHorizontal_bias="0.1"
    android:layout_marginStart="8dp"/>

    <!-- Spread inside -->
    <Button
    android:id="@+id/btn1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Uno"
    android:layout_margin="5dp"
    app:layout_constraintTop_toBottomOf="@id/etSurname"
    app:layout_constraintStart_toStartOf="parent"
    app:layout_constraintEnd_toStartOf="@id/btn2"
    app:layout_constraintHorizontal_chainStyle="spread_inside"/>
    <Button
    android:id="@+id/btn2"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Dos"
    android:layout_margin="5dp"
    app:layout_constraintTop_toBottomOf="@id/etSurname"
    app:layout_constraintStart_toEndOf="@id/btn1"
    app:layout_constraintEnd_toStartOf="@id/btn3"/>
    <Button
    android:id="@+id/btn3"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Tres"
    android:layout_margin="5dp"
    app:layout_constraintTop_toBottomOf="@id/etSurname"
    app:layout_constraintStart_toEndOf="@id/btn2"
    app:layout_constraintEnd_toEndOf="parent"/>

    <!-- Botones al fondo -->
    <Button
    android:id="@+id/btnOk"
    android:layout_width="0dp"
    android:layout_height="wrap_content"
    android:layout_margin="5dp"
    android:text="Aceptar"
    app:layout_constraintBottom_toBottomOf="parent"
    app:layout_constraintStart_toStartOf="parent"
    app:layout_constraintEnd_toStartOf="@id/btnCancel"
    app:layout_constraintHorizontal_weight="1"
    app:layout_constraintHorizontal_chainStyle="spread"/>

    <Button
    android:id="@+id/btnCancel"
    android:layout_width="0dp"
    android:layout_height="wrap_content"
    android:layout_margin="5dp"
    android:text="Cancelar"
    app:layout_constraintBottom_toBottomOf="parent"
    app:layout_constraintStart_toEndOf="@id/btnOk"
    app:layout_constraintEnd_toEndOf="parent"
    app:layout_constraintHorizontal_weight="1"/>



    </androidx.constraintlayout.widget.ConstraintLayout>
    34 changes: 34 additions & 0 deletions example_layout_attributes.xml
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    <?xml version="1.0" encoding="utf-8"?>
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">
    <!-- Background -->
    <View
    android:layout_width="match_parent"
    android:layout_height="100dp"
    android:background="@android:color/holo_red_light"/>

    <!-- Márgenes -->
    <Button
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Click"
    android:layout_margin="16dp"/>

    <!-- Padding -->
    <TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Hola"
    android:background="@android:color/holo_red_dark"
    android:padding="10dp"/>

    <!-- Visibility -->
    <TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Secreto"
    android:visibility="gone"/>

    </LinearLayout>
    60 changes: 60 additions & 0 deletions example_linearlayout.xml
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    <LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:padding="16dp">

    <!-- Título ocupa espacio normal -->
    <TextView
    android:id="@+id/tvTitle"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:text="Ejemplo Linear Layout"
    android:textSize="20sp"
    android:textStyle="bold"
    android:gravity="center"
    android:layout_marginBottom="16dp"/>

    <!-- Campo de texto ocupa 1 parte -->
    <EditText
    android:id="@+id/etName"
    android:layout_width="match_parent"
    android:layout_height="0dp"
    android:layout_weight="1"
    android:hint="Escribe tu nombre"/>

    <!-- Otro campo ocupa 2 partes -->
    <EditText
    android:id="@+id/etSurname"
    android:layout_width="match_parent"
    android:layout_height="0dp"
    android:layout_weight="2"
    android:hint="Escribe tu apellido"/>

    <!-- Botones abajo -->
    <LinearLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal"
    android:gravity="center"
    android:layout_marginTop="16dp">

    <Button
    android:id="@+id/btnOk"
    android:layout_width="0dp"
    android:layout_height="wrap_content"
    android:layout_weight="1"
    android:layout_margin="5dp"
    android:text="Aceptar"/>

    <Button
    android:id="@+id/btnCancel"
    android:layout_width="0dp"
    android:layout_height="wrap_content"
    android:layout_weight="1"
    android:layout_margin="5dp"
    android:text="Cancelar"/>
    </LinearLayout>

    </LinearLayout>
    60 changes: 60 additions & 0 deletions example_relativelayout.xml
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    <?xml version="1.0" encoding="utf-8"?>
    <RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="16dp">

    <!-- Título arriba centrado -->
    <TextView
    android:id="@+id/tvTitle"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:text="Ejemplo RelativeLayout"
    android:textSize="20sp"
    android:textStyle="bold"
    android:gravity="center"/>

    <!-- Campo de nombre debajo del título -->
    <EditText
    android:id="@+id/etName"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:hint="Escribe tu nombre"
    android:layout_below="@id/tvTitle"
    android:layout_marginTop="12dp"/>

    <!-- Campo de apellido debajo del nombre -->
    <EditText
    android:id="@+id/etSurname"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:hint="Escribe tu apellido"
    android:layout_below="@id/etName"
    android:layout_marginTop="12dp"/>

    <!-- Botones abajo centrados -->
    <LinearLayout
    android:id="@+id/buttonContainer"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal"
    android:gravity="center"
    android:layout_alignParentBottom="true"
    android:layout_marginBottom="16dp">

    <Button
    android:id="@+id/btnOk"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Aceptar"
    android:layout_marginEnd="8dp"/>

    <Button
    android:id="@+id/btnCancel"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Cancelar"/>
    </LinearLayout>

    </RelativeLayout>