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/*
* Copyright (C) 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.insertingcells;
import android.animation.ObjectAnimator;
import android.animation.PropertyValuesHolder;
import android.animation.ValueAnimator;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.view.View;
/**
* This round view draws a circle from which the image pops out of and into
* the corresponding cell in the list.
*/
public class RoundView extends View {
private final int STROKE_WIDTH = 6;
private final int RADIUS = 20;
private final int ANIMATION_DURATION = 300;
private final float SCALE_FACTOR = 0.3f;
private Paint mPaint;
public RoundView(Context context) {
super(context);
init();
}
public RoundView(Context context, AttributeSet attrs) {
super(context, attrs);
init();
}
public RoundView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init();
}
private void init() {
mPaint = new Paint();
mPaint.setAntiAlias(true);
mPaint.setColor(Color.WHITE);
mPaint.setStyle(Paint.Style.STROKE);
mPaint.setStrokeWidth(STROKE_WIDTH);
}
@Override
protected void onDraw(Canvas canvas) {
canvas.drawCircle(canvas.getWidth() / 2, canvas.getHeight() / 2,
RADIUS, mPaint);
}
public ObjectAnimator getScalingAnimator() {
PropertyValuesHolder imgViewScaleY = PropertyValuesHolder.ofFloat(View
.SCALE_Y, SCALE_FACTOR);
PropertyValuesHolder imgViewScaleX = PropertyValuesHolder.ofFloat(View
.SCALE_X, SCALE_FACTOR);
ObjectAnimator imgViewScaleAnimator = ObjectAnimator
.ofPropertyValuesHolder(this, imgViewScaleX, imgViewScaleY);
imgViewScaleAnimator.setRepeatCount(1);
imgViewScaleAnimator.setRepeatMode(ValueAnimator.REVERSE);
imgViewScaleAnimator.setDuration(ANIMATION_DURATION);
return imgViewScaleAnimator;
}
}
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