How to Modify EditText Bottom Line and Accent Colors in Appcompat v7?

How to Customize EditText Bottom Line and Accent Colors in Appcompat v7

Question:

When using Appcompat v7 to achieve consistent UI across Android versions, how can the bottom line and accent colors of EditTexts be modified?

Answer:

Material Design Color Properties:

Despite the apparent use of colorControlActivated and colorControlNormal in EditText for Material Design, these properties have no effect when using Appcompat.

Theme Overrides:

The solution involves overriding these color properties in the application theme. Here's an example:

<code class="xml"><style name="Theme.App.Base" parent="Theme.AppCompat.Light.DarkActionBar">
    <item name="colorControlNormal">#c5c5c5
    <item name="colorControlActivated">@color/accent
    <item name="colorControlHighlight">@color/accent
</style></code>

This overrides the default colorControlNormal, colorControlActivated, and colorControlHighlight properties in the application theme, effectively changing the bottom line and accent colors of EditTexts.

Usage:

Apply this theme to the activities where you want to customize the EditText colors. For example:

<code class="xml"><activity android:name=".MainActivity" android:theme="@style/Theme.App.Base"></activity></code>

By applying this modified theme, EditTexts will inherit the customized bottom line and accent colors.

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