Checkable ImageView

Question

Does anybody know if it possible to make ImageView checkable. I try to use State-list drawable resource in my project where I define pictures for my ImageView check states, but there is no property to make ImageView checkable, only clickable.

Maybe anybody knows a way to solve this problem?

Answer 1

Use this custom ImageView implementation (taken from here) :

public class CheckableImageView extends ImageView implements Checkable {     private boolean mChecked;      private static final int[] CHECKED_STATE_SET = { android.R.attr.state_checked };      public CheckableImageView(final Context context, final AttributeSet attrs) {         super(context, attrs);     }      @Override     public int[] onCreateDrawableState(final int extraSpace) {         final int[] drawableState = super.onCreateDrawableState(extraSpace + 1);         if (isChecked())             mergeDrawableStates(drawableState, CHECKED_STATE_SET);         return drawableState;     }      @Override     public void toggle() {         setChecked(!mChecked);     }      @Override     public boolean isChecked() {         return mChecked;     }      @Override     public void setChecked(final boolean checked) {         if (mChecked == checked)             return;         mChecked = checked;         refreshDrawableState();     } } 

Answer 2

Instead of making an ImageView checkable you can set a state list drawable as background for a checkbox which will automatically flip the images.

<?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android">     <item android:state_checkable="true" android:drawable="@drawable/icon_pressed" /> <!-- pressed -->     <item android:state_checked="true" android:drawable="@drawable/icon_focused" /> <!-- focused -->     <item android:drawable="@drawable/icon_default" /> <!-- default --> </selector>