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@frogermcs frogermcs/likebutton.xml
Last active Sep 22, 2017

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LikeAnimation source files
<?xml version="1.0" encoding="utf-8"?>
<merge xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<frogermcs.io.likeanimation.DotsView
android:id="@+id/vDotsView"
android:layout_width="200dp"
android:layout_height="200dp"
android:layout_gravity="center"/>
<frogermcs.io.likeanimation.CircleView
android:id="@+id/vCircle"
android:layout_width="80dp"
android:layout_height="80dp"
android:layout_gravity="center"/>
<ImageView
android:id="@+id/ivStar"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:src="@drawable/ic_star_rate_off"/>
</merge>
maskPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
int cX = (int) (centerX + currentRadius1 * Math.cos(i * OUTER_DOTS_POSITION_ANGLE * Math.PI / 180));
int cY = (int) (centerY + currentRadius1 * Math.sin(i * OUTER_DOTS_POSITION_ANGLE * Math.PI / 180));
@Override
public void onClick(View v) {
//...
animatorSet = new AnimatorSet();
ObjectAnimator outerCircleAnimator = ObjectAnimator.ofFloat(vCircle, CircleView.OUTER_CIRCLE_RADIUS_PROGRESS, 0.1f, 1f);
outerCircleAnimator.setDuration(250);
outerCircleAnimator.setInterpolator(DECCELERATE_INTERPOLATOR);
ObjectAnimator innerCircleAnimator = ObjectAnimator.ofFloat(vCircle, CircleView.INNER_CIRCLE_RADIUS_PROGRESS, 0.1f, 1f);
innerCircleAnimator.setDuration(200);
innerCircleAnimator.setStartDelay(200);
innerCircleAnimator.setInterpolator(DECCELERATE_INTERPOLATOR);
ObjectAnimator starScaleYAnimator = ObjectAnimator.ofFloat(ivStar, ImageView.SCALE_Y, 0.2f, 1f);
starScaleYAnimator.setDuration(350);
starScaleYAnimator.setStartDelay(250);
starScaleYAnimator.setInterpolator(OVERSHOOT_INTERPOLATOR);
ObjectAnimator starScaleXAnimator = ObjectAnimator.ofFloat(ivStar, ImageView.SCALE_X, 0.2f, 1f);
starScaleXAnimator.setDuration(350);
starScaleXAnimator.setStartDelay(250);
starScaleXAnimator.setInterpolator(OVERSHOOT_INTERPOLATOR);
ObjectAnimator dotsAnimator = ObjectAnimator.ofFloat(vDotsView, DotsView.DOTS_PROGRESS, 0, 1f);
dotsAnimator.setDuration(900);
dotsAnimator.setStartDelay(50);
dotsAnimator.setInterpolator(ACCELERATE_DECELERATE_INTERPOLATOR);
animatorSet.playTogether(
outerCircleAnimator,
innerCircleAnimator,
starScaleYAnimator,
starScaleXAnimator,
dotsAnimator
);
//...
animatorSet.start();
}
Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
tempCanvas.drawColor(0xffffff, PorterDuff.Mode.CLEAR);
tempCanvas.drawCircle(getWidth() / 2, getHeight() / 2, outerCircleRadiusProgress * maxCircleSize, circlePaint);
tempCanvas.drawCircle(getWidth() / 2, getHeight() / 2, innerCircleRadiusProgress * maxCircleSize, maskPaint);
canvas.drawBitmap(tempBitmap, 0, 0, null);
}
@Override
protected void onDraw(Canvas canvas) {
drawOuterDotsFrame(canvas);
drawInnerDotsFrame(canvas);
}
private void drawOuterDotsFrame(Canvas canvas) {
for (int i = 0; i < DOTS_COUNT; i++) {
int cX = (int) (centerX + currentRadius1 * Math.cos(i * OUTER_DOTS_POSITION_ANGLE * Math.PI / 180));
int cY = (int) (centerY + currentRadius1 * Math.sin(i * OUTER_DOTS_POSITION_ANGLE * Math.PI / 180));
canvas.drawCircle(cX, cY, currentDotSize1, circlePaints[i % circlePaints.length]);
}
}
private void drawInnerDotsFrame(Canvas canvas) {
for (int i = 0; i < DOTS_COUNT; i++) {
int cX = (int) (centerX + currentRadius2 * Math.cos((i * OUTER_DOTS_POSITION_ANGLE - 10) * Math.PI / 180));
int cY = (int) (centerY + currentRadius2 * Math.sin((i * OUTER_DOTS_POSITION_ANGLE - 10) * Math.PI / 180));
canvas.drawCircle(cX, cY, currentDotSize2, circlePaints[(i + 1) % circlePaints.length]);
}
}
Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
maxCircleSize = w / 2;
tempBitmap = Bitmap.createBitmap(getWidth(), getWidth(), Bitmap.Config.ARGB_8888);
tempCanvas = new Canvas(tempBitmap);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
ivStar.animate().scaleX(0.7f).scaleY(0.7f).setDuration(150).setInterpolator(DECCELERATE_INTERPOLATOR);
setPressed(true);
break;
case MotionEvent.ACTION_MOVE:
float x = event.getX();
float y = event.getY();
boolean isInside = (x > 0 && x < getWidth() && y > 0 && y < getHeight());
if (isPressed() != isInside) {
setPressed(isInside);
}
break;
case MotionEvent.ACTION_UP:
ivStar.animate().scaleX(1).scaleY(1).setInterpolator(DECCELERATE_INTERPOLATOR);
if (isPressed()) {
performClick();
setPressed(false);
}
break;
}
return true;
}
private void updateCircleColor() {
float colorProgress = (float) Utils.clamp(outerCircleRadiusProgress, 0.5, 1);
colorProgress = (float) Utils.mapValueFromRangeToRange(colorProgress, 0.5f, 1f, 0f, 1f);
this.circlePaint.setColor((Integer) argbEvaluator.evaluate(colorProgress, START_COLOR, END_COLOR));
}
private void updateDotsPaints() {
if (currentProgress < 0.5f) {
float progress = (float) Utils.mapValueFromRangeToRange(currentProgress, 0f, 0.5f, 0, 1f);
circlePaints[0].setColor((Integer) argbEvaluator.evaluate(progress, COLOR_1, COLOR_2));
circlePaints[1].setColor((Integer) argbEvaluator.evaluate(progress, COLOR_2, COLOR_3));
circlePaints[2].setColor((Integer) argbEvaluator.evaluate(progress, COLOR_3, COLOR_4));
circlePaints[3].setColor((Integer) argbEvaluator.evaluate(progress, COLOR_4, COLOR_1));
} else {
float progress = (float) Utils.mapValueFromRangeToRange(currentProgress, 0.5f, 1f, 0, 1f);
circlePaints[0].setColor((Integer) argbEvaluator.evaluate(progress, COLOR_2, COLOR_3));
circlePaints[1].setColor((Integer) argbEvaluator.evaluate(progress, COLOR_3, COLOR_4));
circlePaints[2].setColor((Integer) argbEvaluator.evaluate(progress, COLOR_4, COLOR_1));
circlePaints[3].setColor((Integer) argbEvaluator.evaluate(progress, COLOR_1, COLOR_2));
}
}
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