android - ImageButton 的 Material Design 指南是什么？

Question

Material Design Guidelines 对 ImageButtons(不是切换按钮)有什么看法？

我在这里找不到关于它们的任何信息:https://material.google.com/components/buttons.html .

• 它们看起来应该如何？
• 什么时候应该使用它们？
• 他们应该如何表现？

示例:我有左/右导航按钮来切换日期，我想知道它们是否符合 Material Design。

Answer 1

从 Decompiled ImageButton 类的源代码中找到它。

Displays a button with an image (instead of text) that can be pressed or clicked by the user. By default, an ImageButton looks like a regular {@link android.widget.Button}, with the standard button background that changes color during different button states. The image on the surface of the button is defined either by the {@code android:src} attribute in the {@code } XML element or by the {@link #setImageResource(int)} method.
To remove the standard button background image, define your own background image or set the background color to be transparent.
To indicate the different button states (focused, selected, etc.), you can define a different image for each state. E.g., a blue image by default, an orange one for when focused, and a yellow one for when pressed. An easy way to do this is with an XML drawable "selector."