ImageView를 사용하여 toggle 기능 사용하기, android

즐겨 찾기 기능을 위해 ImageView를 사용한 Toggle기능을 구현.

먼저 사용할 이미지를 준비한다.
https://www.iconfinder.com/search/?q=star&from=homepage&type=vector&price=free


res/drawable/selector.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item
        android:state_activated="true"
        android:drawable="@drawable/ic_star_24dp" />
    <item
        android:drawable="@drawable/ic_star_border_24dp" />
</selector>

ImageView

<ImageView
  android:src="@drawable/selector"
  ..
  .. />

ImageView - onClick

star.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(final View view) {
        view.setActivated(!view.isActivated());
    }
});