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@martarodriguezm
Created September 29, 2025 17:06
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Android Layouts
<?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>
<?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>
<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>
<?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>
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