Backwards compatible TintableImageView

attrs.xml

<?xml version="1.0" encoding="UTF-8"?>
<resources>

    <declare-styleable name="TintableImageView">
        <attr name="tint" format="reference|color" />
    </declare-styleable>

</resources>

color_selector.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_pressed="true" android:color="@color/pressed_color"/>
    <item android:color="#00000000"/>
</selector>

TinableTextView

package biz.nadia.rola.widget.tablayout;

import android.content.Context;
import android.content.res.ColorStateList;
import android.content.res.TypedArray;
import android.util.AttributeSet;

import biz.nadia.rola.R;
import biz.nadia.rola.layout.RolaTextView;

/**
 * Created by Allen on 01-Jul-16.
 */
public class TintableRolaTextView extends RolaTextView {
    private ColorStateList tint;

    public TintableRolaTextView(Context context) {
        super(context);
    }

    public TintableRolaTextView(Context context, AttributeSet attrs) {
        super(context, attrs);
        init(context, attrs, 0);
    }

    public TintableRolaTextView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        init(context, attrs, defStyle);
    }

    private void init(Context context, AttributeSet attrs, int defStyle) {
        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.TintableRolaTextView, defStyle, 0);
        tint = a.getColorStateList(R.styleable.TintableRolaTextView_text_tint);
        a.recycle();
    }

    @Override
    protected void drawableStateChanged() {
        super.drawableStateChanged();
        if (tint != null && tint.isStateful()) {
            updateTintColor();
        }
    }


    private void updateTintColor() {
        int color = tint.getColorForState(getDrawableState(), 0);
        setTextColor(color);
    }
}

TintableImageView.java

package com.example.widgets;

import android.content.Context;
import android.content.res.ColorStateList;
import android.content.res.TypedArray;
import android.util.AttributeSet;
import android.widget.ImageView;

import com.example.R;

public class TintableImageView extends ImageView {

    private ColorStateList tint;

    public TintableImageView(Context context) {
        super(context);
    }

    public TintableImageView(Context context, AttributeSet attrs) {
        super(context, attrs);
        init(context, attrs, 0);
    }

    public TintableImageView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        init(context, attrs, defStyle);
    }

    private void init(Context context, AttributeSet attrs, int defStyle) {
        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.TintableImageView, defStyle, 0);
        tint = a.getColorStateList(R.styleable.TintableImageView_tint);
        a.recycle();
    }

    @Override
    protected void drawableStateChanged() {
        super.drawableStateChanged();
        if (tint != null && tint.isStateful())
            updateTintColor();
    }

    public void setColorFilter(ColorStateList tint) {
        this.tint = tint;
        super.setColorFilter(tint.getColorForState(getDrawableState(), 0));
    }

    private void updateTintColor() {
        int color = tint.getColorForState(getDrawableState(), 0);
        setColorFilter(color);
    }

}