private void runEnterAnimation(View view, int position) {
if (!animateItems || position >= ANIMATED_ITEMS_COUNT - 1) {
return;
}
if (position > lastAnimatedPosition) {
lastAnimatedPosition = position;
view.setTranslationY(Utils.getScreenHeight(context));
view.animate()
.translationY(0)
.setInterpolator(new DecelerateInterpolator(3.f))
.setDuration(700)
.start();
}
}
/** Created by Miris on 09.02.15. */
public class FeedAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder>
implements View.OnClickListener {
private static final int VIEW_TYPE_DEFAULT = 1;
private static final int VIEW_TYPE_LOADER = 2;
private static final DecelerateInterpolator DECCELERATE_INTERPOLATOR =
new DecelerateInterpolator();
private static final AccelerateInterpolator ACCELERATE_INTERPOLATOR =
new AccelerateInterpolator();
private static final OvershootInterpolator OVERSHOOT_INTERPOLATOR = new OvershootInterpolator(4);
private static final int ANIMATED_ITEMS_COUNT = 2;
private Context context;
private int lastAnimatedPosition = -1;
private int itemsCount = 0;
private boolean animateItems = false;
private final Map<Integer, Integer> likesCount = new HashMap<>();
private final Map<RecyclerView.ViewHolder, AnimatorSet> likeAnimations = new HashMap<>();
private final ArrayList<Integer> likedPositions = new ArrayList<>();
private OnFeedItemClickListener onFeedItemClickListener;
private boolean showLoadingView = false;
private int loadingViewSize = Utils.dpToPx(200);
public FeedAdapter(Context context) {
this.context = context;
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
final View view = LayoutInflater.from(context).inflate(R.layout.item_feed, parent, false);
final CellFeedViewHolder cellFeedViewHolder = new CellFeedViewHolder(view);
if (viewType == VIEW_TYPE_DEFAULT) {
cellFeedViewHolder.btnComments.setOnClickListener(this);
cellFeedViewHolder.btnMore.setOnClickListener(this);
cellFeedViewHolder.ivFeedCenter.setOnClickListener(this);
cellFeedViewHolder.btnLike.setOnClickListener(this);
cellFeedViewHolder.ivUserProfile.setOnClickListener(this);
} else if (viewType == VIEW_TYPE_LOADER) {
View bgView = new View(context);
bgView.setLayoutParams(
new FrameLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
bgView.setBackgroundColor(0x77ffffff);
cellFeedViewHolder.vImageRoot.addView(bgView);
cellFeedViewHolder.vProgressBg = bgView;
FrameLayout.LayoutParams params =
new FrameLayout.LayoutParams(loadingViewSize, loadingViewSize);
params.gravity = Gravity.CENTER;
SendingProgressView sendingProgressView = new SendingProgressView(context);
sendingProgressView.setLayoutParams(params);
cellFeedViewHolder.vImageRoot.addView(sendingProgressView);
cellFeedViewHolder.vSendingProgress = sendingProgressView;
}
return cellFeedViewHolder;
}
private void runEnterAnimation(View view, int position) {
if (!animateItems || position >= ANIMATED_ITEMS_COUNT - 1) {
return;
}
if (position > lastAnimatedPosition) {
lastAnimatedPosition = position;
view.setTranslationY(Utils.getScreenHeight(context));
view.animate()
.translationY(0)
.setInterpolator(new DecelerateInterpolator(3.f))
.setDuration(700)
.start();
}
}
@Override
public void onBindViewHolder(RecyclerView.ViewHolder viewHolder, int position) {
runEnterAnimation(viewHolder.itemView, position);
final CellFeedViewHolder holder = (CellFeedViewHolder) viewHolder;
if (getItemViewType(position) == VIEW_TYPE_DEFAULT) {
bindDefaultFeedItem(position, holder);
} else if (getItemViewType(position) == VIEW_TYPE_LOADER) {
bindLoadingFeedItem(holder);
}
}
private void bindDefaultFeedItem(int position, CellFeedViewHolder holder) {
if (position % 2 == 0) {
holder.ivFeedCenter.setImageResource(R.drawable.img_feed_center_1);
holder.ivFeedBottom.setText("미르이즈 송년회");
} else {
holder.ivFeedCenter.setImageResource(R.drawable.img_feed_center_2);
holder.ivFeedBottom.setText("미르이즈 전체회식");
}
updateLikesCounter(holder, false);
updateHeartButton(holder, false);
holder.btnComments.setTag(position);
holder.btnMore.setTag(position);
holder.ivFeedCenter.setTag(holder);
holder.btnLike.setTag(holder);
if (likeAnimations.containsKey(holder)) {
likeAnimations.get(holder).cancel();
}
resetLikeAnimationState(holder);
}
private void bindLoadingFeedItem(final CellFeedViewHolder holder) {
holder.ivFeedCenter.setImageResource(R.drawable.img_feed_center_1);
holder.ivFeedBottom.setText("미르이즈 송년회");
holder
.vSendingProgress
.getViewTreeObserver()
.addOnPreDrawListener(
new ViewTreeObserver.OnPreDrawListener() {
@Override
public boolean onPreDraw() {
holder.vSendingProgress.getViewTreeObserver().removeOnPreDrawListener(this);
holder.vSendingProgress.simulateProgress();
return true;
}
});
holder.vSendingProgress.setOnLoadingFinishedListener(
new SendingProgressView.OnLoadingFinishedListener() {
@Override
public void onLoadingFinished() {
holder
.vSendingProgress
.animate()
.scaleY(0)
.scaleX(0)
.setDuration(200)
.setStartDelay(100);
holder
.vProgressBg
.animate()
.alpha(0.f)
.setDuration(200)
.setStartDelay(100)
.setListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
holder.vSendingProgress.setScaleX(1);
holder.vSendingProgress.setScaleY(1);
holder.vProgressBg.setAlpha(1);
showLoadingView = false;
notifyItemChanged(0);
}
})
.start();
}
});
}
@Override
public int getItemViewType(int position) {
if (showLoadingView && position == 0) {
return VIEW_TYPE_LOADER;
} else {
return VIEW_TYPE_DEFAULT;
}
}
@Override
public int getItemCount() {
return itemsCount;
}
private void updateLikesCounter(CellFeedViewHolder holder, boolean animated) {
int currentLikesCount = likesCount.get(holder.getPosition()) + 1;
String likesCountText =
context
.getResources()
.getQuantityString(R.plurals.likes_count, currentLikesCount, currentLikesCount);
if (animated) {
holder.tsLikesCounter.setText(likesCountText);
} else {
holder.tsLikesCounter.setCurrentText(likesCountText);
}
likesCount.put(holder.getPosition(), currentLikesCount);
}
private void updateHeartButton(final CellFeedViewHolder holder, boolean animated) {
if (animated) {
if (!likeAnimations.containsKey(holder)) {
AnimatorSet animatorSet = new AnimatorSet();
likeAnimations.put(holder, animatorSet);
ObjectAnimator rotationAnim = ObjectAnimator.ofFloat(holder.btnLike, "rotation", 0f, 360f);
rotationAnim.setDuration(300);
rotationAnim.setInterpolator(ACCELERATE_INTERPOLATOR);
ObjectAnimator bounceAnimX = ObjectAnimator.ofFloat(holder.btnLike, "scaleX", 0.2f, 1f);
bounceAnimX.setDuration(300);
bounceAnimX.setInterpolator(OVERSHOOT_INTERPOLATOR);
ObjectAnimator bounceAnimY = ObjectAnimator.ofFloat(holder.btnLike, "scaleY", 0.2f, 1f);
bounceAnimY.setDuration(300);
bounceAnimY.setInterpolator(OVERSHOOT_INTERPOLATOR);
bounceAnimY.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationStart(Animator animation) {
holder.btnLike.setImageResource(R.drawable.ic_heart_red);
}
});
animatorSet.play(rotationAnim);
animatorSet.play(bounceAnimX).with(bounceAnimY).after(rotationAnim);
animatorSet.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
resetLikeAnimationState(holder);
}
});
animatorSet.start();
}
} else {
if (likedPositions.contains(holder.getPosition())) {
holder.btnLike.setImageResource(R.drawable.ic_heart_red);
} else {
holder.btnLike.setImageResource(R.drawable.ic_heart_outline_grey);
}
}
}
@Override
public void onClick(View view) {
final int viewId = view.getId();
if (viewId == R.id.btnComments) {
if (onFeedItemClickListener != null) {
onFeedItemClickListener.onCommentsClick(view, (Integer) view.getTag());
}
} else if (viewId == R.id.btnMore) {
if (onFeedItemClickListener != null) {
onFeedItemClickListener.onMoreClick(view, (Integer) view.getTag());
}
} else if (viewId == R.id.btnLike) {
CellFeedViewHolder holder = (CellFeedViewHolder) view.getTag();
if (!likedPositions.contains(holder.getPosition())) {
likedPositions.add(holder.getPosition());
updateLikesCounter(holder, true);
updateHeartButton(holder, true);
if (context instanceof MainActivity) {
((MainActivity) context).showLikedSnackbar();
}
}
} else if (viewId == R.id.ivFeedCenter) {
CellFeedViewHolder holder = (CellFeedViewHolder) view.getTag();
if (!likedPositions.contains(holder.getPosition())) {
likedPositions.add(holder.getPosition());
updateLikesCounter(holder, true);
animatePhotoLike(holder);
updateHeartButton(holder, false);
if (context instanceof MainActivity) {
((MainActivity) context).showLikedSnackbar();
}
}
} else if (viewId == R.id.ivUserProfile) {
if (onFeedItemClickListener != null) {
onFeedItemClickListener.onProfileClick(view);
}
}
}
private void animatePhotoLike(final CellFeedViewHolder holder) {
if (!likeAnimations.containsKey(holder)) {
holder.vBgLike.setVisibility(View.VISIBLE);
holder.ivLike.setVisibility(View.VISIBLE);
holder.vBgLike.setScaleY(0.1f);
holder.vBgLike.setScaleX(0.1f);
holder.vBgLike.setAlpha(1f);
holder.ivLike.setScaleY(0.1f);
holder.ivLike.setScaleX(0.1f);
AnimatorSet animatorSet = new AnimatorSet();
likeAnimations.put(holder, animatorSet);
ObjectAnimator bgScaleYAnim = ObjectAnimator.ofFloat(holder.vBgLike, "scaleY", 0.1f, 1f);
bgScaleYAnim.setDuration(200);
bgScaleYAnim.setInterpolator(DECCELERATE_INTERPOLATOR);
ObjectAnimator bgScaleXAnim = ObjectAnimator.ofFloat(holder.vBgLike, "scaleX", 0.1f, 1f);
bgScaleXAnim.setDuration(200);
bgScaleXAnim.setInterpolator(DECCELERATE_INTERPOLATOR);
ObjectAnimator bgAlphaAnim = ObjectAnimator.ofFloat(holder.vBgLike, "alpha", 1f, 0f);
bgAlphaAnim.setDuration(200);
bgAlphaAnim.setStartDelay(150);
bgAlphaAnim.setInterpolator(DECCELERATE_INTERPOLATOR);
ObjectAnimator imgScaleUpYAnim = ObjectAnimator.ofFloat(holder.ivLike, "scaleY", 0.1f, 1f);
imgScaleUpYAnim.setDuration(300);
imgScaleUpYAnim.setInterpolator(DECCELERATE_INTERPOLATOR);
ObjectAnimator imgScaleUpXAnim = ObjectAnimator.ofFloat(holder.ivLike, "scaleX", 0.1f, 1f);
imgScaleUpXAnim.setDuration(300);
imgScaleUpXAnim.setInterpolator(DECCELERATE_INTERPOLATOR);
ObjectAnimator imgScaleDownYAnim = ObjectAnimator.ofFloat(holder.ivLike, "scaleY", 1f, 0f);
imgScaleDownYAnim.setDuration(300);
imgScaleDownYAnim.setInterpolator(ACCELERATE_INTERPOLATOR);
ObjectAnimator imgScaleDownXAnim = ObjectAnimator.ofFloat(holder.ivLike, "scaleX", 1f, 0f);
imgScaleDownXAnim.setDuration(300);
imgScaleDownXAnim.setInterpolator(ACCELERATE_INTERPOLATOR);
animatorSet.playTogether(
bgScaleYAnim, bgScaleXAnim, bgAlphaAnim, imgScaleUpYAnim, imgScaleUpXAnim);
animatorSet.play(imgScaleDownYAnim).with(imgScaleDownXAnim).after(imgScaleUpYAnim);
animatorSet.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
resetLikeAnimationState(holder);
}
});
animatorSet.start();
}
}
private void resetLikeAnimationState(CellFeedViewHolder holder) {
likeAnimations.remove(holder);
holder.vBgLike.setVisibility(View.GONE);
holder.ivLike.setVisibility(View.GONE);
}
public void updateItems(boolean animated) {
itemsCount = 10;
animateItems = animated;
fillLikesWithRandomValues();
notifyDataSetChanged();
}
private void fillLikesWithRandomValues() {
for (int i = 0; i < getItemCount(); i++) {
likesCount.put(i, new Random().nextInt(100));
}
}
public void setOnFeedItemClickListener(OnFeedItemClickListener onFeedItemClickListener) {
this.onFeedItemClickListener = onFeedItemClickListener;
}
public void showLoadingView() {
showLoadingView = true;
notifyItemChanged(0);
}
public static class CellFeedViewHolder extends RecyclerView.ViewHolder {
@InjectView(R.id.ivFeedCenter)
ImageView ivFeedCenter;
@InjectView(R.id.ivFeedBottom)
TextView ivFeedBottom;
@InjectView(R.id.btnComments)
ImageButton btnComments;
@InjectView(R.id.btnLike)
ImageButton btnLike;
@InjectView(R.id.btnMore)
ImageButton btnMore;
@InjectView(R.id.vBgLike)
View vBgLike;
@InjectView(R.id.ivLike)
ImageView ivLike;
@InjectView(R.id.tsLikesCounter)
TextSwitcher tsLikesCounter;
@InjectView(R.id.ivUserProfile)
ImageView ivUserProfile;
@InjectView(R.id.vImageRoot)
FrameLayout vImageRoot;
SendingProgressView vSendingProgress;
View vProgressBg;
public CellFeedViewHolder(View view) {
super(view);
ButterKnife.inject(this, view);
}
}
public interface OnFeedItemClickListener {
public void onCommentsClick(View v, int position);
public void onMoreClick(View v, int position);
public void onProfileClick(View v);
}
}