I got this style in XML:
<resources>
<!-- Base application theme. -->
<style name="AppTheme" parent="AppTheme.Base"/>
<style name="AppTheme.Base" parent="Theme.AppCompat.Light.NoActionBar">
<!-- Customize your theme here. -->
<!-- colorPrimary is used for the default action bar background -->
<item name="colorPrimary">@color/teal_500</item>
<!-- colorPrimaryDark is used for the status bar -->
<item name="colorPrimaryDark">@color/teal_700</item>
<!-- colorAccent is used as the default value for colorControlActivated
which is used to tint widgets -->
<item name="colorAccent">@color/light_blue_500</item>
<!-- needed to suppress the old ActionBar when using the new Toolbar -->
<item name="android:windowActionBar">false</item>
<!-- You can also set colorControlNormal, colorControlActivated
colorControlHighlight & colorSwitchThumbNormal. -->
</style>
</resources>
Question:
And inside the XML of a Fragment
I'm using TextView
onto which I would like to assign "colorPrimary"
from the theme. But how?
<TextView android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/text_input"
android:textColor="@android:color/black" <!-- use theme color here-->
android:fontFamily="sans-serif-bold"
android:text="some text"
android:textSize="24dp"/>
The difference is how you apply it: instead of applying a style with the style attribute on a view, you apply a theme with the android:theme attribute on either the <application> tag or an <activity> tag in the AndroidManifest. xml file.
Defining Styles This XML file resides under res/values/ directory of your project and will have <resources> as the root node which is mandatory for the style file.
Here's how to change UI colors in Android 12 or higher:Open the Settings. Go to Wallpaper & style. You have two main options. You can let Android pick the system colors based on the wallpaper.
You can use like this
<TextView android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/text_input"
android:textColor="?attr/colorPrimary"
android:fontFamily="sans-serif-bold"
android:text="some text"
android:textSize="24dp"/>
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