Скачать или смотреть How to Customize Tab Titles in Android TabHost: Make Them Bold and Change Color

Learn how to enhance your Android app's UI by customizing TabHost to make tab titles bold and change color when selected, providing a dynamic user experience.
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Enhancing the visual appeal of your Android application by customizing UI components can significantly improve user engagement and satisfaction. If you are using TabHost in your Android application, you might wonder how to make the tab titles bold and change their color when they are selected. Here's a comprehensive guide on how to achieve that.

Understanding TabHost

Before diving into customization, let's recap what a TabHost is. In Android, TabHost is a class that allows the developer to build a tabbed interface. It holds multiple tabs and displays one tab at a time based on the user's selection. Each tab typically represents different content or a different view.

Customizing the Tab Titles

To modify how tab titles appear—specifically making them bold and changing their color when selected—you need to leverage custom XML layouts and possibly style resources. Here's a step-by-step approach:

Step 1: Define a Custom Tab Layout

Create an XML layout file for your tab titles. This layout will define the appearance, such as text style and color. For example:

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In this layout, textColor is predefined as @color/colorDefault. You can create colors in the res/values/colors.xml file to specify the default and selected colors.

Step 2: Implement the Custom Tab in Your Activity

Now, adapt your activity that holds the TabHost to utilize this custom tab layout. For each tab, use the setIndicator(View view) method to set the display view of the tab using the custom layout:

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Step 3: Change Color when Selected

To change the color when a tab is selected, you set an OnTabChangeListener on the TabHost. Inside this listener, iterate over the tabs and change the text color based upon whether they are selected:

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Conclusion

By following these steps, you can effectively make your tab titles bold and dynamically change their color upon selection, thereby enhancing your application's user interface. This small but impactful adjustment can significantly improve the navigation experience within the app, helping users identify their active location more clearly.

Explore more UI enhancements by experimenting with different styles and customizations, which can lead to a more robust and user-friendly application.