Programmatically set text color to primary android textview

Extension version in kotlin

@ColorInt
fun Context.getColorResCompat(@AttrRes id: Int): Int {
    val resolvedAttr = TypedValue()
    this.theme.resolveAttribute(id, resolvedAttr, true)
    val colorRes = resolvedAttr.run { if (resourceId != 0) resourceId else data }
    return ContextCompat.getColor(this, colorRes)
}

usage:

textView.setTextColor(mActivity.getColorResCompat(android.R.attr.textColorPrimary))

You need to check if the attribute got resolved to a resource or a color value.

The default value of textColorPrimary is not a Color but a ColorStateList, which is a resource.

Kotlin solution

@ColorInt
fun Context.resolveColorAttr(@AttrRes colorAttr: Int): Int {
    val resolvedAttr = resolveThemeAttr(colorAttr)
    // resourceId is used if it's a ColorStateList, and data if it's a color reference or a hex color
    val colorRes = if (resolvedAttr.resourceId != 0) resolvedAttr.resourceId else resolvedAttr.data
    return ContextCompat.getColor(this, colorRes)
}

fun Context.resolveThemeAttr(@AttrRes attrRes: Int): TypedValue {
    val typedValue = TypedValue()
    theme.resolveAttribute(attrRes, typedValue, true)
    return typedValue
}

Usage

@ColorInt val color = context.resolveColorAttr(android.R.attr.textColorPrimaryInverse)

Finally I used the following code to get the primary text color of the theme -

// Get the primary text color of the theme
TypedValue typedValue = new TypedValue();
Resources.Theme theme = getActivity().getTheme();
theme.resolveAttribute(android.R.attr.textColorPrimary, typedValue, true);
TypedArray arr =
        getActivity().obtainStyledAttributes(typedValue.data, new int[]{
                android.R.attr.textColorPrimary});
int primaryColor = arr.getColor(0, -1);