Broadening Android App Appeal and Reach
The Android platform encompasses a rich ecosystem of users and devices. In this course, you’ll learn how to create apps that effectively engage this ecosystem through multiple language support, device adaptability, accessibility, and custom views.
What you'll learn
The Android platform encompasses one of the largest user bases of any platform and provides those users with a rich device ecosystem filled with choices. In this course, Broadening Android App Appeal and Reach, you’ll learn how to succeed in this environment by creating apps that effectively engage the needs of these users and that adapt to their individual device capabilities. First, you will see how to use the Android resource system to create apps that dynamically adapt to device features and capabilities. Next, you’ll explore how to create locale-aware apps that have multiple-language support and display text in the user’s language of choice. After that, you’ll dive into creating custom views that allow your app to present a rich and engaging user experience. You’ll then learn to add Android Studio design-time configurability to your custom views and incorporate interactive features. Finally, you’ll gain an understanding of how to create apps that provide support for accessibility features such as non-touch navigation and screen readers. By the end of this course, you’ll have the skills and knowledge to create your own Android applications that that effectively engage and meet the needs of the rich ecosystem of Android devices and users.
Table of contents
- Introduction 2m
- Resources and Adaptability 3m
- Identifying Need for Adaptability 3m
- Loading Different Values Based on Screen Width 6m
- Creating Orientation-specific Activity Layouts 5m
- Verifying Activity Orientation Change Behavior 4m
- Manage Activity State on Orientation Changes 4m
- Localizing UI Text into Alternative Languages 5m
- Verifying Localized Text Behavior 2m
- Drawable Resources and Device Screen Density Differences 4m
- Understanding the Device Screen Density Challenge 4m
- Drawable Resources and Project Structure 5m
- Adding Density-specific Drawable Resources 7m
- Summary 2m
- Introduction 1m
- Placing a Custom View and Positioning 2m
- Incorporating Custom View Padding 5m
- Adding the Custom View to the Note Activity 5m
- Indicating Custom View Measurements 2m
- Providing a Simple onMeasure Implementation 4m
- Positioning the Custom View with Constraints 5m
- View Sizing Adaptability 5m
- Making onMeasure More Adaptable 5m
- Calculating Drawing Positions Based on View Size 5m
- Connecting View Sizing to onSize Implementation 5m
- Summary 2m
- Introduction 1m
- Interacting with the Custom View from Code 4m
- Custom View Touch Support 2m
- Adding Touch Support to the Custom View 4m
- Updating Drawing in Response to Changes 4m
- Custom View Configurability and Designer Support 3m
- Adding a Color Configuration Attribute 4m
- Accessing a Color Configuration Attribute 5m
- Custom Enumeration Configuration Attributes 5m
- Dimension Configuration Attributes 5m
- Screen Density Independent Drawing Values 5m
- Summary 4m
- Introduction 1m
- Custom View Accessibility Support 5m
- Creating and Connecting Accessibility Helper Class 6m
- Custom View Item Accessibility 5m
- Assigning Item IDs and Characteristics 6m
- Verifying Accessibility Behavior and Adding Checked State 4m
- Changing Accessibility State with D-pad 5m
- Summary and Where to Go from Here 3m
About the author
Jim Wilson is president of JW Hedgehog, Inc., a consulting firm specializing in solutions for the Android, iOS, and Microsoft platforms. Jim has over 30 years of software engineering experience, with the past 15 years heavily focused on creating mobile device and location-based solutions. He has co-founded multiple software-related startups and has served in a consulting role at several more. After nearly a decade as a Microsoft Device Application Development MVP, Jim now focuses on developing A... more