这个
包含在可滚动选项卡中选择了“全部”的图片。So when an item in the tab is selected, an inverted triangle must appear as it appears in the picture below the word 'All'. 如何在 Android Studio 中为 Android 应用设置该效果？
这个
包含在可滚动选项卡中选择了“全部”的图片。So when an item in the tab is selected, an inverted triangle must appear as it appears in the picture below the word 'All'. 如何在 Android Studio 中为 Android 应用设置该效果？