/*
* Copyright 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.android.batchstepsensor.cardstream;
import android.content.Context;
import android.os.Build;
import android.support.v4.view.ViewCompat;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.animation.BounceInterpolator;
import android.view.animation.DecelerateInterpolator;
import android.widget.Button;
/**
* Custom Button with a special 'pressed' effect for touch events.
*/
public class CardActionButton extends Button {
public CardActionButton(Context context) {
super(context);
}
public CardActionButton(Context context, AttributeSet attrs) {
super(context, attrs);
}
public CardActionButton(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN: {
setPressed(true);
if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.KITKAT) {
animate().scaleX(0.98f).scaleY(0.98f).setDuration(100)
.setInterpolator(new DecelerateInterpolator());
} else {
ViewCompat.setElevation(this, 8.f);
}
break;
}
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL: {
setPressed(false);
if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.KITKAT) {
animate().scaleX(1.f).scaleY(1.f).setDuration(50)
.setInterpolator(new BounceInterpolator());
} else {
ViewCompat.setElevation(this, 0.f);
}
break;
}
}
return super.onTouchEvent(event);
}
}