cn.qingchengfit.widgets.AnimatedButton.java Source code

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Here is the source code for cn.qingchengfit.widgets.AnimatedButton.java

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/*
 * Copyright (c) 2015, Jaewe Heo. All rights reserved.
 * Use of this source code is governed by a BSD-style
 * license that can be found in the LICENSE file.
 */

package cn.qingchengfit.widgets;

import android.content.Context;
import android.content.res.Resources;
import android.graphics.Color;
import android.graphics.drawable.Animatable;
import android.graphics.drawable.Drawable;
import android.support.v4.graphics.drawable.DrawableCompat;
import android.support.v7.widget.AppCompatDrawableManager;
import android.support.v7.widget.AppCompatImageButton;
import android.support.v7.widget.TintTypedArray;
import android.util.AttributeSet;

import cn.qingchengfit.widgets.utils.CompatUtils;

public class AnimatedButton extends AppCompatImageButton {

    private static final int[] mAttr = { android.R.attr.background };
    protected boolean checked;
    private Drawable offDrawable;
    private Drawable onDrawable;

    public AnimatedButton(Context context) {
        super(context);
        //        init(context);
    }

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

    public AnimatedButton(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        init(context, attrs);
    }

    private void init(Context context, AttributeSet attrs) {

        TintTypedArray a = TintTypedArray.obtainStyledAttributes(getContext(), attrs, R.styleable.AnimatedButton, 0,
                0);
        TintTypedArray b = TintTypedArray.obtainStyledAttributes(getContext(), attrs, mAttr, 0, 0);
        Resources r = context.getResources();
        final AppCompatDrawableManager drawableManager = AppCompatDrawableManager.get();
        final int idon = a.getResourceId(R.styleable.AnimatedButton_ab_drawable_on, -1);
        final int idoff = a.getResourceId(R.styleable.AnimatedButton_ab_drawable_off, -1);
        final int idbg = b.getResourceId(0, -1);
        if (idbg != -1) {
            setBackgroundDrawable(drawableManager.getDrawable(getContext(), idbg));
        } else {
            setBackgroundResource(R.color.transparent);
        }
        if (CompatUtils.less21()) {
            //            onDrawable = drawableManager.getDrawable(getContext(),R.drawable.ai_drawable_expand_less);
            //            offDrawable = drawableManager.getDrawable(getContext(),R.drawable.ai_drawable_expand_more);
        } else {
            offDrawable = drawableManager.getDrawable(getContext(), idoff);
            onDrawable = drawableManager.getDrawable(getContext(), idon);

        }
        int color = a.getColor(R.styleable.AnimatedButton_ab_color, Color.BLACK);
        DrawableCompat.setTint(offDrawable, color);
        DrawableCompat.setTint(onDrawable, color);
        a.recycle();
        b.recycle();

        setScaleType(ScaleType.CENTER_INSIDE);

        //        if (isLollipop()) {
        setImageDrawable(checked ? onDrawable : offDrawable);
        //        } else {
        //            setImageDrawable(checked ? onDrawable : offDrawable);
        //        }
    }

    //    protected boolean isLollipop() {
    //        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP;
    //    }

    public void setChecked(boolean checked) {
        this.checked = checked;
    }

    /**
     * Change the checked state of the view to the inverse of its current state
     */
    public void toggle() {
        checked = !checked;
        setImageDrawable(checked ? onDrawable : offDrawable);

        Drawable drawable = getDrawable();
        if (drawable instanceof Animatable) {
            Animatable animatable = (Animatable) drawable;
            if (animatable.isRunning()) {
                animatable.stop();
            }
            animatable.start();
        }
    }

    /**
     * Returns the checked state.
     *
     * @return The checked state.
     */
    public boolean isChecked() {
        return checked;
    }
}