Book Image

Android NDK: Beginner's Guide

By : Sylvain Ratabouil
Book Image

Android NDK: Beginner's Guide

By: Sylvain Ratabouil

Overview of this book

Table of Contents (18 chapters)
Android NDK Beginner's Guide Second Edition
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Time for action – defining a simple GUI


Let's create a Java Graphical User Interface for our Store and bind it to the native store structure that we will create:

  1. Rewrite the res/fragment_layout.xml layout to define the graphical interface as follows. It defines:

    • A Key TextView label and EditText to enter the key

    • A Value TextView label and EditText to enter the value matching the key

    • A Type TextView label and Spinner to define the type of the value

    • A Get Value and a Set Value Button to retrieve and change a value in the store

      <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        a:layout_width="match_parent" a:layout_height="match_parent"
        a:orientation="vertical"
      tools:context="com.packtpub.store.StoreActivity$PlaceholderFragment">
        <TextView
          a:layout_width="match_parent" a:layout_height="wrap_content"
          a:text="Save or retrieve a value from the store:" />
        <TableLayout
          a:layout_width="match_parent" a:layout_height...