Book Image

Learning Android Google Maps

Book Image

Learning Android Google Maps

Overview of this book

This book helps you to overcome the most common problems faced by users and helps you create a successful map application without any hassle. The book starts with a brief description of how to set up an environment and obtain an API key to create your map application. This book will teach you about adding markers, overlays, and information windows to the map in detail. You will then dive deep into customizing various types of maps and working with location data and Google Street view. By the end of this book, you will be able to create succinct map applications in Android using Google maps efficiently.
Table of Contents (18 chapters)
Learning Android Google Maps
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
Index

Defining Intent requests


Before defining Intent requests, let's learn some basics about Intents. Intents help us launch an activity of our own application or another application. Google Maps provides several Intents that can be used with our application. Four operations can be performed using Google Maps. They are as follows:

  • Display a map in Google Maps of a specified location with a specified zoom level

  • Search for a specified location and display it on Google Maps

  • Display turn-by-turn navigation using one of the three modes: driving, walking, and bicycling

  • Display the Street View imagery

To make an Intent request, we must initially define an Intent object. The Intent should contain three components. They are:

  • Action

  • URI

  • Package

Let's discuss this in detail.

Action

It defines what action should be performed. Here, we use an action to view the data. It is given as: ACTION_VIEW.

The action is usually set in Intent as:

Intent intent = new Intent(Intent.ACTION_VIEW, intentUri);

URI

URIs are used to specify...