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Code Issues Packages Projects Releases Wiki Activity

Fixed voting state inconsistency after orientation change in ViewPostDetailActivity. Fixed title could not be shown properly in CollapsingToolbarLayout in ViewSubredditDetailActivity and ViewUserDetailActivity.

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This commit is contained in:
Alex Ning 2019-04-19 12:01:41 +08:00
parent cd4730c649
commit d8ddad9522
4 changed files with 37 additions and 434 deletions
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349
app/src/main/java/ml/docilealligator/infinityforreddit/CommentAdapter.java
View File

@ -1,349 +0,0 @@
package ml.docilealligator.infinityforreddit;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.ColorFilter;
import android.net.Uri;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;
import com.multilevelview.models.RecyclerViewItem;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import androidx.annotation.NonNull;
import androidx.browser.customtabs.CustomTabsIntent;
import androidx.core.content.ContextCompat;
import androidx.paging.PagedListAdapter;
import androidx.recyclerview.widget.DiffUtil;
import androidx.recyclerview.widget.RecyclerView;
import butterknife.BindView;
import butterknife.ButterKnife;
import retrofit2.Retrofit;
import ru.noties.markwon.SpannableConfiguration;
import ru.noties.markwon.view.MarkwonView;
public class CommentAdapter extends PagedListAdapter<CommentData, RecyclerView.ViewHolder> {
private Context mContext;
private Retrofit mRetrofit;
private Retrofit mOauthRetrofit;
private SharedPreferences mSharedPreferences;
private RecyclerView mRecyclerView;
private String subredditNamePrefixed;
private String article;
private Locale locale;
private NetworkState networkState;
private RetryLoadingMoreCallback retryLoadingMoreCallback;
interface RetryLoadingMoreCallback {
void retryLoadingMore();
}
CommentAdapter(Context context, Retrofit retrofit, Retrofit oauthRetrofit,
SharedPreferences sharedPreferences, RecyclerView recyclerView,
String subredditNamePrefixed, String article, Locale locale) {
super(DIFF_CALLBACK);
mContext = context;
mRetrofit = retrofit;
mOauthRetrofit = oauthRetrofit;
mSharedPreferences = sharedPreferences;
mRecyclerView = recyclerView;
this.subredditNamePrefixed = subredditNamePrefixed;
this.article = article;
this.locale = locale;
}
static final DiffUtil.ItemCallback<CommentData> DIFF_CALLBACK = new DiffUtil.ItemCallback<CommentData>() {
@Override
public boolean areItemsTheSame(@NonNull CommentData commentData, @NonNull CommentData t1) {
return commentData.getId().equals(t1.getId());
}
@Override
public boolean areContentsTheSame(@NonNull CommentData commentData, @NonNull CommentData t1) {
return commentData.getCommentContent().equals(t1.getCommentContent());
}
};
@NonNull
@Override
public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int i) {
return new CommentViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.item_comment, parent, false));
}
@Override
public void onBindViewHolder(@NonNull RecyclerView.ViewHolder viewHolder, int i) {
final CommentData commentItem = getItem(i);
String authorPrefixed = "u/" + commentItem.getAuthor();
((CommentViewHolder) viewHolder).authorTextView.setText(authorPrefixed);
((CommentViewHolder) viewHolder).authorTextView.setOnClickListener(view -> {
Intent intent = new Intent(mContext, ViewUserDetailActivity.class);
intent.putExtra(ViewUserDetailActivity.EXTRA_USER_NAME_KEY, commentItem.getAuthor());
mContext.startActivity(intent);
});
((CommentViewHolder) viewHolder).commentTimeTextView.setText(commentItem.getCommentTime());
SpannableConfiguration spannableConfiguration = SpannableConfiguration.builder(mContext).linkResolver((view, link) -> {
if(link.startsWith("/u/")) {
Intent intent = new Intent(mContext, ViewUserDetailActivity.class);
intent.putExtra(ViewUserDetailActivity.EXTRA_USER_NAME_KEY, link.substring(3));
mContext.startActivity(intent);
} else if(link.startsWith("/r/")) {
Intent intent = new Intent(mContext, ViewSubredditDetailActivity.class);
intent.putExtra(ViewSubredditDetailActivity.EXTRA_SUBREDDIT_NAME_KEY, link.substring(3));
mContext.startActivity(intent);
} else {
CustomTabsIntent.Builder builder = new CustomTabsIntent.Builder();
// add share action to menu list
builder.addDefaultShareMenuItem();
builder.setToolbarColor(mContext.getResources().getColor(R.color.colorPrimary));
CustomTabsIntent customTabsIntent = builder.build();
customTabsIntent.launchUrl(mContext, Uri.parse(link));
}
}).build();
((CommentViewHolder) viewHolder).commentMarkdownView.setMarkdown(spannableConfiguration, commentItem.getCommentContent());
((CommentViewHolder) viewHolder).scoreTextView.setText(Integer.toString(commentItem.getScore()));
((CommentViewHolder) viewHolder).verticalBlock.getLayoutParams().width = commentItem.getDepth() * 16;
if(commentItem.hasReply()) {
setExpandButton(((CommentViewHolder) viewHolder).expandButton, commentItem.isExpanded());
}
((CommentViewHolder) viewHolder).expandButton.setOnClickListener(view -> {
if(commentItem.hasChildren() && commentItem.getChildren().size() > 0) {
setExpandButton(((CommentViewHolder) viewHolder).expandButton, commentItem.isExpanded());
} else {
((CommentViewHolder) viewHolder).loadMoreCommentsProgressBar.setVisibility(View.VISIBLE);
FetchComment.fetchComment(mRetrofit, subredditNamePrefixed, article, commentItem.getId(),
locale, false, commentItem.getDepth(), new FetchComment.FetchCommentListener() {
@Override
public void onFetchCommentSuccess(List<?> commentData,
String parentId, ArrayList<String> children) {
commentItem.addChildren((List<RecyclerViewItem>) commentData);
((CommentViewHolder) viewHolder).loadMoreCommentsProgressBar
.setVisibility(View.GONE);
((CommentViewHolder) viewHolder).expandButton
.setImageResource(R.drawable.ic_expand_less_black_20dp);
/*ParseComment.parseComment(response, new ArrayList<>(),
locale, false, commentItem.getDepth(),
new ParseComment.ParseCommentListener() {
@Override
public void onParseCommentSuccess(List<?> commentData,
String parentId, String children) {
commentItem.addChildren((List<RecyclerViewItem>) commentData);
((CommentViewHolder) viewHolder).loadMoreCommentsProgressBar
.setVisibility(View.GONE);
((CommentViewHolder) viewHolder).expandButton
.setImageResource(R.drawable.ic_expand_less_black_20dp);
}
@Override
public void onParseCommentFailed() {
((CommentViewHolder) viewHolder).loadMoreCommentsProgressBar
.setVisibility(View.GONE);
}
});*/
}
@Override
public void onFetchCommentFailed() {
((CommentViewHolder) viewHolder).loadMoreCommentsProgressBar
.setVisibility(View.GONE);
}
});
}
});
switch (commentItem.getVoteType()) {
case 1:
((CommentViewHolder) viewHolder).upvoteButton
.setColorFilter(ContextCompat.getColor(mContext, R.color.colorPrimary), android.graphics.PorterDuff.Mode.SRC_IN);
break;
case 2:
((CommentViewHolder) viewHolder).downvoteButton
.setColorFilter(ContextCompat.getColor(mContext, R.color.minusButtonColor), android.graphics.PorterDuff.Mode.SRC_IN);
break;
}
((CommentViewHolder) viewHolder).upvoteButton.setOnClickListener(view -> {
final boolean isDownvotedBefore = ((CommentViewHolder) viewHolder).downvoteButton.getColorFilter() != null;
final ColorFilter minusButtonColorFilter = ((CommentViewHolder) viewHolder).downvoteButton.getColorFilter();
((CommentViewHolder) viewHolder).downvoteButton.clearColorFilter();
if (((CommentViewHolder) viewHolder).upvoteButton.getColorFilter() == null) {
((CommentViewHolder) viewHolder).upvoteButton.setColorFilter(ContextCompat.getColor(mContext, R.color.colorPrimary), android.graphics.PorterDuff.Mode.SRC_IN);
if(isDownvotedBefore) {
((CommentViewHolder) viewHolder).scoreTextView.setText(Integer.toString(commentItem.getScore() + 2));
} else {
((CommentViewHolder) viewHolder).scoreTextView.setText(Integer.toString(commentItem.getScore() + 1));
}
VoteThing.voteThing(mOauthRetrofit,mSharedPreferences, new VoteThing.VoteThingListener() {
@Override
public void onVoteThingSuccess(int position1) {
commentItem.setVoteType(1);
if(isDownvotedBefore) {
commentItem.setScore(commentItem.getScore() + 2);
} else {
commentItem.setScore(commentItem.getScore() + 1);
}
}
@Override
public void onVoteThingFail(int position1) {
Toast.makeText(mContext, "Cannot upvote this comment", Toast.LENGTH_SHORT).show();
((CommentViewHolder) viewHolder).upvoteButton.clearColorFilter();
((CommentViewHolder) viewHolder).scoreTextView.setText(Integer.toString(commentItem.getScore()));
((CommentViewHolder) viewHolder).downvoteButton.setColorFilter(minusButtonColorFilter);
}
}, commentItem.getFullName(), RedditUtils.DIR_UPVOTE, ((CommentViewHolder) viewHolder).getAdapterPosition());
} else {
//Upvoted before
((CommentViewHolder) viewHolder).upvoteButton.clearColorFilter();
((CommentViewHolder) viewHolder).scoreTextView.setText(Integer.toString(commentItem.getScore() - 1));
VoteThing.voteThing(mOauthRetrofit, mSharedPreferences, new VoteThing.VoteThingListener() {
@Override
public void onVoteThingSuccess(int position1) {
commentItem.setVoteType(0);
commentItem.setScore(commentItem.getScore() - 1);
}
@Override
public void onVoteThingFail(int position1) {
Toast.makeText(mContext, "Cannot unvote this comment", Toast.LENGTH_SHORT).show();
((CommentViewHolder) viewHolder).scoreTextView.setText(Integer.toString(commentItem.getScore() + 1));
((CommentViewHolder) viewHolder).upvoteButton.setColorFilter(ContextCompat.getColor(mContext, R.color.colorPrimary), android.graphics.PorterDuff.Mode.SRC_IN);
commentItem.setScore(commentItem.getScore() + 1);
}
}, commentItem.getFullName(), RedditUtils.DIR_UNVOTE, ((CommentViewHolder) viewHolder).getAdapterPosition());
}
});
((CommentViewHolder) viewHolder).downvoteButton.setOnClickListener(view -> {
final boolean isUpvotedBefore = ((CommentViewHolder) viewHolder).upvoteButton.getColorFilter() != null;
final ColorFilter upvoteButtonColorFilter = ((CommentViewHolder) viewHolder).upvoteButton.getColorFilter();
((CommentViewHolder) viewHolder).upvoteButton.clearColorFilter();
if (((CommentViewHolder) viewHolder).downvoteButton.getColorFilter() == null) {
((CommentViewHolder) viewHolder).downvoteButton.setColorFilter(ContextCompat.getColor(mContext, R.color.minusButtonColor), android.graphics.PorterDuff.Mode.SRC_IN);
if (isUpvotedBefore) {
((CommentViewHolder) viewHolder).scoreTextView.setText(Integer.toString(commentItem.getScore() - 2));
} else {
((CommentViewHolder) viewHolder).scoreTextView.setText(Integer.toString(commentItem.getScore() - 1));
}
VoteThing.voteThing(mOauthRetrofit, mSharedPreferences, new VoteThing.VoteThingListener() {
@Override
public void onVoteThingSuccess(int position12) {
commentItem.setVoteType(-1);
if(isUpvotedBefore) {
commentItem.setScore(commentItem.getScore() - 2);
} else {
commentItem.setScore(commentItem.getScore() - 1);
}
}
@Override
public void onVoteThingFail(int position12) {
Toast.makeText(mContext, "Cannot downvote this comment", Toast.LENGTH_SHORT).show();
((CommentViewHolder) viewHolder).downvoteButton.clearColorFilter();
((CommentViewHolder) viewHolder).scoreTextView.setText(Integer.toString(commentItem.getScore()));
((CommentViewHolder) viewHolder).upvoteButton.setColorFilter(upvoteButtonColorFilter);
}
}, commentItem.getFullName(), RedditUtils.DIR_DOWNVOTE, viewHolder.getAdapterPosition());
} else {
//Down voted before
((CommentViewHolder) viewHolder).downvoteButton.clearColorFilter();
((CommentViewHolder) viewHolder).scoreTextView.setText(Integer.toString(commentItem.getScore() + 1));
VoteThing.voteThing(mOauthRetrofit, mSharedPreferences, new VoteThing.VoteThingListener() {
@Override
public void onVoteThingSuccess(int position12) {
commentItem.setVoteType(0);
commentItem.setScore(commentItem.getScore());
}
@Override
public void onVoteThingFail(int position12) {
Toast.makeText(mContext, "Cannot unvote this comment", Toast.LENGTH_SHORT).show();
((CommentViewHolder) viewHolder).downvoteButton.setColorFilter(ContextCompat.getColor(mContext, R.color.minusButtonColor), android.graphics.PorterDuff.Mode.SRC_IN);
((CommentViewHolder) viewHolder).scoreTextView.setText(Integer.toString(commentItem.getScore()));
commentItem.setScore(commentItem.getScore());
}
}, commentItem.getFullName(), RedditUtils.DIR_UNVOTE, viewHolder.getAdapterPosition());
}
});
}
@Override
public void onViewRecycled(@NonNull RecyclerView.ViewHolder holder) {
((CommentMultiLevelRecyclerViewAdapter.CommentViewHolder) holder).expandButton.setVisibility(View.GONE);
((CommentMultiLevelRecyclerViewAdapter.CommentViewHolder) holder).loadMoreCommentsProgressBar.setVisibility(View.GONE);
}
@Override
public int getItemCount() {
if(hasExtraRow()) {
return super.getItemCount() + 1;
}
return super.getItemCount();
}
private boolean hasExtraRow() {
return networkState != null && networkState.getStatus() != NetworkState.Status.SUCCESS;
}
void setNetworkState(NetworkState newNetworkState) {
NetworkState previousState = this.networkState;
boolean previousExtraRow = hasExtraRow();
this.networkState = newNetworkState;
boolean newExtraRow = hasExtraRow();
if (previousExtraRow != newExtraRow) {
if (previousExtraRow) {
notifyItemRemoved(super.getItemCount());
} else {
notifyItemInserted(super.getItemCount());
}
} else if (newExtraRow && !previousState.equals(newNetworkState)) {
notifyItemChanged(getItemCount() - 1);
}
}
private void setExpandButton(ImageView expandButton, boolean isExpanded) {
// set the icon based on the current state
expandButton.setVisibility(View.VISIBLE);
expandButton.setImageResource(isExpanded ? R.drawable.ic_expand_less_black_20dp : R.drawable.ic_expand_more_black_20dp);
}
class CommentViewHolder extends RecyclerView.ViewHolder {
@BindView(R.id.author_text_view_item_post_comment) TextView authorTextView;
@BindView(R.id.comment_time_text_view_item_post_comment) TextView commentTimeTextView;
@BindView(R.id.comment_markdown_view_item_post_comment) MarkwonView commentMarkdownView;
@BindView(R.id.plus_button_item_post_comment) ImageView upvoteButton;
@BindView(R.id.score_text_view_item_post_comment) TextView scoreTextView;
@BindView(R.id.minus_button_item_post_comment) ImageView downvoteButton;
@BindView(R.id.expand_button_item_post_comment) ImageView expandButton;
@BindView(R.id.load_more_comments_progress_bar) ProgressBar loadMoreCommentsProgressBar;
@BindView(R.id.reply_button_item_post_comment) ImageView replyButton;
@BindView(R.id.vertical_block_item_post_comment) View verticalBlock;
CommentViewHolder(View itemView) {
super(itemView);
ButterKnife.bind(this, itemView);
}
}
}

24
app/src/main/java/ml/docilealligator/infinityforreddit/ViewPostDetailActivity.java
View File

@ -69,7 +69,8 @@ public class ViewPostDetailActivity extends AppCompatActivity {
private RequestManager glide;
private int orientation;
private String orientationState = "OS";
private static String ORIENTATION_STATE = "OS";
private static final String POST_STATE = "PS";
private Post mPost;
private int postListPosition = -1;
@ -136,9 +137,13 @@ public class ViewPostDetailActivity extends AppCompatActivity {
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
orientation = getResources().getConfiguration().orientation;
mPost = getIntent().getExtras().getParcelable(EXTRA_POST_DATA);
if(savedInstanceState == null) {
orientation = getResources().getConfiguration().orientation;
mPost = getIntent().getExtras().getParcelable(EXTRA_POST_DATA);
} else {
orientation = savedInstanceState.getInt(ORIENTATION_STATE);
mPost = savedInstanceState.getParcelable(POST_STATE);
}
if(getIntent().hasExtra(EXTRA_POST_LIST_POSITION)) {
postListPosition = getIntent().getExtras().getInt(EXTRA_POST_LIST_POSITION);
@ -576,7 +581,7 @@ public class ViewPostDetailActivity extends AppCompatActivity {
@Subscribe
public void onVoteEvent(VoteEventToDetailActivity event) {
if(mPost.getId() == event.postId) {
if(mPost.getId().equals(event.postId)) {
mPost.setVoteType(event.voteType);
mScoreTextView.setText(Integer.toString(mPost.getScore() + event.voteType));
}
@ -595,13 +600,8 @@ public class ViewPostDetailActivity extends AppCompatActivity {
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putInt(orientationState, orientation);
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
orientation = savedInstanceState.getInt(orientationState);
outState.putInt(ORIENTATION_STATE, orientation);
outState.putParcelable(POST_STATE, mPost);
}
@Override

49
app/src/main/java/ml/docilealligator/infinityforreddit/ViewSubredditDetailActivity.java
View File

@ -11,10 +11,15 @@ import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
import androidx.coordinatorlayout.widget.CoordinatorLayout;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.ViewModelProviders;
import com.bumptech.glide.Glide;
import com.bumptech.glide.RequestManager;
import com.bumptech.glide.request.RequestOptions;
import com.google.android.material.appbar.AppBarLayout;
import com.google.android.material.appbar.CollapsingToolbarLayout;
import com.google.android.material.chip.Chip;
import com.google.android.material.snackbar.Snackbar;
@ -28,11 +33,6 @@ import SubredditDatabase.SubredditRoomDatabase;
import SubredditDatabase.SubredditViewModel;
import SubscribedSubredditDatabase.SubscribedSubredditDao;
import SubscribedSubredditDatabase.SubscribedSubredditRoomDatabase;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
import androidx.coordinatorlayout.widget.CoordinatorLayout;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.ViewModelProviders;
import butterknife.BindView;
import butterknife.ButterKnife;
import jp.wasabeef.glide.transformations.RoundedCornersTransformation;
@ -82,9 +82,6 @@ public class ViewSubredditDetailActivity extends AppCompatActivity {
((Infinity) getApplication()).getmNetworkComponent().inject(this);
final Toolbar toolbar = findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
//Get status bar height
int statusBarHeight = 0;
int resourceId = getResources().getIdentifier("status_bar_height", "dimen", "android");
@ -92,40 +89,20 @@ public class ViewSubredditDetailActivity extends AppCompatActivity {
statusBarHeight = getResources().getDimensionPixelSize(resourceId);
}
ViewGroup.MarginLayoutParams params = (ViewGroup.MarginLayoutParams) toolbar.getLayoutParams();
params.topMargin = statusBarHeight;
String subredditName = getIntent().getExtras().getString(EXTRA_SUBREDDIT_NAME_KEY);
String title = "r/" + subredditName;
subredditNameTextView.setText(title);
CollapsingToolbarLayout collapsingToolbarLayout = findViewById(R.id.collapsing_toolbar_layout_view_subreddit_detail_activity);
AppBarLayout appBarLayout = findViewById(R.id.app_bar_layout_view_subreddit_detail_activity);
collapsingToolbarLayout.setTitleEnabled(false);
appBarLayout.addOnOffsetChangedListener(new AppBarLayout.OnOffsetChangedListener() {
int previousVerticalOffset = 0;
int scrollRange = -1;
Toolbar toolbar = findViewById(R.id.toolbar);
toolbar.setTitle(title);
setSupportActionBar(toolbar);
@Override
public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
if(scrollRange == -1) {
scrollRange = appBarLayout.getTotalScrollRange();
} else {
if(verticalOffset < previousVerticalOffset) {
//Scroll down
if(scrollRange - Math.abs(verticalOffset) <= toolbar.getHeight()) {
collapsingToolbarLayout.setTitle(title);
}
} else {
//Scroll up
if(scrollRange - Math.abs(verticalOffset) > toolbar.getHeight()) {
collapsingToolbarLayout.setTitle(" ");//carefull there should a space between double quote otherwise it wont work
}
}
previousVerticalOffset = verticalOffset;
}
}
});
ViewGroup.MarginLayoutParams params = (ViewGroup.MarginLayoutParams) toolbar.getLayoutParams();
params.topMargin = statusBarHeight;
subscribedSubredditDao = SubscribedSubredditRoomDatabase.getDatabase(this).subscribedSubredditDao();
glide = Glide.with(this);

49
app/src/main/java/ml/docilealligator/infinityforreddit/ViewUserDetailActivity.java
View File

@ -10,10 +10,15 @@ import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
import androidx.coordinatorlayout.widget.CoordinatorLayout;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.ViewModelProviders;
import com.bumptech.glide.Glide;
import com.bumptech.glide.RequestManager;
import com.bumptech.glide.request.RequestOptions;
import com.google.android.material.appbar.AppBarLayout;
import com.google.android.material.appbar.CollapsingToolbarLayout;
import com.google.android.material.chip.Chip;
import com.google.android.material.snackbar.Snackbar;
@ -27,11 +32,6 @@ import User.UserDao;
import User.UserData;
import User.UserRoomDatabase;
import User.UserViewModel;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
import androidx.coordinatorlayout.widget.CoordinatorLayout;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.ViewModelProviders;
import butterknife.BindView;
import butterknife.ButterKnife;
import jp.wasabeef.glide.transformations.RoundedCornersTransformation;
@ -74,15 +74,11 @@ public class ViewUserDetailActivity extends AppCompatActivity {
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_view_user_detail);
Toolbar toolbar = findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
ButterKnife.bind(this);
((Infinity) getApplication()).getmNetworkComponent().inject(this);
setSupportActionBar(toolbar);
//Get status bar height
int statusBarHeight = 0;
int resourceId = getResources().getIdentifier("status_bar_height", "dimen", "android");
@ -90,40 +86,19 @@ public class ViewUserDetailActivity extends AppCompatActivity {
statusBarHeight = getResources().getDimensionPixelSize(resourceId);
}
ViewGroup.MarginLayoutParams params = (ViewGroup.MarginLayoutParams) toolbar.getLayoutParams();
params.topMargin = statusBarHeight;
String userName = getIntent().getExtras().getString(EXTRA_USER_NAME_KEY);
String title = "u/" + userName;
userNameTextView.setText(title);
CollapsingToolbarLayout collapsingToolbarLayout = findViewById(R.id.collapsing_toolbar_layout_view_user_detail_activity);
AppBarLayout appBarLayout = findViewById(R.id.app_bar_layout_view_user_detail_activity);
collapsingToolbarLayout.setTitleEnabled(false);
appBarLayout.addOnOffsetChangedListener(new AppBarLayout.OnOffsetChangedListener() {
int previousVerticalOffset = 0;
int scrollRange = -1;
Toolbar toolbar = findViewById(R.id.toolbar);
toolbar.setTitle(title);
setSupportActionBar(toolbar);
@Override
public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
if(scrollRange == -1) {
scrollRange = appBarLayout.getTotalScrollRange();
} else {
if(verticalOffset < previousVerticalOffset) {
//Scroll down
if(scrollRange - Math.abs(verticalOffset) <= toolbar.getHeight()) {
collapsingToolbarLayout.setTitle(title);
}
} else {
//Scroll up
if(scrollRange - Math.abs(verticalOffset) > toolbar.getHeight()) {
collapsingToolbarLayout.setTitle(" ");//carefull there should a space between double quote otherwise it wont work
}
}
previousVerticalOffset = verticalOffset;
}
}
});
ViewGroup.MarginLayoutParams params = (ViewGroup.MarginLayoutParams) toolbar.getLayoutParams();
params.topMargin = statusBarHeight;
subscribedUserDao = SubscribedUserRoomDatabase.getDatabase(this).subscribedUserDao();
glide = Glide.with(this);