A ToggleImageButton for Android

attrs.xml

<resources>

    <declare-styleable name="ToogleImageButton">

        <attr name="checked" format="boolean"/>

    </declare-styleable>

</resources>

ToggleImageButton

import android.content.Context;
import android.content.res.TypedArray;
import android.os.Bundle;
import android.os.Parcelable;
import android.util.AttributeSet;
import android.view.View;
import android.widget.Checkable;
import android.widget.ImageButton;

public class ToggleImageButton extends ImageButton implements Checkable {

    private static final int[] CHECKED_STATE_SET = {
            android.R.attr.state_checked
    };
    private boolean isChecked;
    private boolean isBroadCasting;
    private OnCheckedChangeListener onCheckedChangeListener;

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

    public ToggleImageButton(Context context, AttributeSet attrs) {
        super( context, attrs );
    }

    public ToggleImageButton(Context context, AttributeSet attrs, int defStyle) {
        super( context, attrs, defStyle );
        initAttr( context, attrs, defStyle );
    }

    private void initAttr(Context context, AttributeSet attrs, int defStyle) {
        TypedArray a =
                context.obtainStyledAttributes(
                        attrs, R.styleable.ToogleImageButton, defStyle, 0 );
        boolean checked = a
                .getBoolean( R.styleable.ToogleImageButton_checked, false );
        setChecked( checked );
        a.recycle();
    }

    @Override
    public boolean performClick() {
        toggle();
        return super.performClick();
    }

    @Override
    public boolean isChecked() {
        return isChecked;  //To change body of implemented methods use File | Settings | File Templates.
    }

    @Override
    public void setChecked(boolean checked) {
        if (isChecked == checked) {
            return;
        }
        isChecked = checked;
        refreshDrawableState();
        if (isBroadCasting) {
            return;
        }
        isBroadCasting = true;
        if (onCheckedChangeListener != null) {
            onCheckedChangeListener.onCheckedChanged( this, isChecked );
        }
        isBroadCasting = false;
    }

    @Override
    public int[] onCreateDrawableState(int extraSpace) {
        final int[] drawableState = super.onCreateDrawableState( extraSpace + 1 );
        if (isChecked()) {
            mergeDrawableStates( drawableState, CHECKED_STATE_SET );
        }
        return drawableState;
    }

    public void setOnCheckedChangeListener(OnCheckedChangeListener onCheckedChangeListener) {
        this.onCheckedChangeListener = onCheckedChangeListener;
    }

    @Override
    public void toggle() {
        setChecked( !isChecked );
    }

    @Override
    public Parcelable onSaveInstanceState() {
        Bundle bundle = new Bundle();
        bundle.putParcelable( "instanceState", super.onSaveInstanceState() );
        bundle.putBoolean( "state", isChecked );
        return bundle;
    }

    @Override
    protected void onRestoreInstanceState(Parcelable state) {
        if (state instanceof Bundle) {
            Bundle outState = (Bundle) state;
            setChecked( outState.getBoolean( "state" ) );
            state = outState.getParcelable( "instanceState" );
        }
        super.onRestoreInstanceState( state );
    }

    public static interface OnCheckedChangeListener {

        void onCheckedChanged(ToggleImageButton buttonView, boolean isChecked);
    }
  }