Diferencia entre revisiones de «PDM ConstraintLayout»
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| Línea 22: | Línea 22: | ||
| + | * Exemplo de uso de Constraint: [https://constraintlayout.com/basics/create_constraint.html https://constraintlayout.com/basics/create_constraint.html] | ||
| + | * Exemplo de uso de Chains: [https://constraintlayout.com/basics/create_chains.html https://constraintlayout.com/basics/create_chains.html] | ||
| + | * Exemplo de uso de GuideLines: [https://constraintlayout.com/basics/guidelines.html https://constraintlayout.com/basics/guidelines.html] | ||
| + | * Exemplo de uso de Dimensions: [https://constraintlayout.com/basics/dimensions.html https://constraintlayout.com/basics/dimensions.html] | ||
* Exemplo de uso de Barries: [https://constraintlayout.com/basics/barriers.html https://constraintlayout.com/basics/barriers.html] | * Exemplo de uso de Barries: [https://constraintlayout.com/basics/barriers.html https://constraintlayout.com/basics/barriers.html] | ||
Revisión del 18:43 1 oct 2018
Introdución
- Máis información:
- Manual completo de uso neste enlace.
- Outra explicación neste enlace.
- Outro exemplo neste enlace
- ConstrainLayout é un layout que pode ser utilizado con calquera versión de Android a partires do Android 2.3 (API level 9).
- Isto o consigo facendo uso dunha librería de compatibilidade (que se engade por defecto no Android Studio) de nome: com.android.support.constraint:constraint-layout:1.1.3 e que podemos ver no arquivo build.gradle na sección 'dependencies'.
- Dito layout vai permitir colocar os compoñentes gráficos con respecto a outros layout e outros compoñentes gráficos, de forma relativa a eles.
- Todo se pode facer graficamente utilizando Android Studio, e ademais na maioría das ocasión non necesitaremos crear layouts dentro de layouts como pasaba nos outros layouts.
Funcionamento
- Exemplo de uso de Constraint: https://constraintlayout.com/basics/create_constraint.html
- Exemplo de uso de Chains: https://constraintlayout.com/basics/create_chains.html
- Exemplo de uso de GuideLines: https://constraintlayout.com/basics/guidelines.html
- Exemplo de uso de Dimensions: https://constraintlayout.com/basics/dimensions.html
- Exemplo de uso de Barries: https://constraintlayout.com/basics/barriers.html
-- Ángel D. Fernández González -- (2018).
