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Code Issues Releases Wiki Activity

fix bugs with fab showing/hiding on scroll

This commit is contained in:
Konrad Pozniak 2017-04-22 10:41:49 +02:00
parent 01997012de
commit 7c3feb7136
2 changed files with 74 additions and 18 deletions
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76
app/src/main/java/com/keylesspalace/tusky/NotificationsFragment.java
View File

@ -19,7 +19,9 @@ import android.content.Context;
import android.content.SharedPreferences;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.annotation.Nullable;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.TabLayout;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.widget.DividerItemDecoration;
@ -40,15 +42,17 @@ import retrofit2.Response;
public class NotificationsFragment extends SFragment implements
SwipeRefreshLayout.OnRefreshListener, StatusActionListener, StatusRemoveListener,
NotificationsAdapter.NotificationActionListener {
NotificationsAdapter.NotificationActionListener, SharedPreferences.OnSharedPreferenceChangeListener {
private static final String TAG = "Notifications"; // logging tag
private SwipeRefreshLayout swipeRefreshLayout;
private LinearLayoutManager layoutManager;
private RecyclerView recyclerView;
private EndlessOnScrollListener scrollListener;
private NotificationsAdapter adapter;
private TabLayout.OnTabSelectedListener onTabSelectedListener;
private Call<List<Notification>> listCall;
private boolean hideFab;
public static NotificationsFragment newInstance() {
NotificationsFragment fragment = new NotificationsFragment();
@ -60,7 +64,7 @@ public class NotificationsFragment extends SFragment implements
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
@Nullable Bundle savedInstanceState) {
@Nullable Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_timeline, container, false);
// Setup the SwipeRefreshLayout.
@ -68,7 +72,7 @@ public class NotificationsFragment extends SFragment implements
swipeRefreshLayout = (SwipeRefreshLayout) rootView.findViewById(R.id.swipe_refresh_layout);
swipeRefreshLayout.setOnRefreshListener(this);
// Setup the RecyclerView.
RecyclerView recyclerView = (RecyclerView) rootView.findViewById(R.id.recycler_view);
recyclerView = (RecyclerView) rootView.findViewById(R.id.recycler_view);
recyclerView.setHasFixedSize(true);
layoutManager = new LinearLayoutManager(context);
recyclerView.setLayoutManager(layoutManager);
@ -78,19 +82,7 @@ public class NotificationsFragment extends SFragment implements
R.drawable.status_divider_dark);
divider.setDrawable(drawable);
recyclerView.addItemDecoration(divider);
scrollListener = new EndlessOnScrollListener(layoutManager) {
@Override
public void onLoadMore(int page, int totalItemsCount, RecyclerView view) {
NotificationsAdapter adapter = (NotificationsAdapter) view.getAdapter();
Notification notification = adapter.getItem(adapter.getItemCount() - 2);
if (notification != null) {
sendFetchNotificationsRequest(notification.id, null);
} else {
sendFetchNotificationsRequest();
}
}
};
recyclerView.addOnScrollListener(scrollListener);
adapter = new NotificationsAdapter(this, this);
recyclerView.setAdapter(adapter);
@ -112,6 +104,51 @@ public class NotificationsFragment extends SFragment implements
return rootView;
}
@Override
public void onActivityCreated(@Nullable Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
/* This is delayed until onActivityCreated solely because MainActivity.composeButton isn't
* guaranteed to be set until then.
* Use a modified scroll listener that both loads more notifications as it goes, and hides
* the compose button on down-scroll. */
MainActivity activity = (MainActivity) getActivity();
final FloatingActionButton composeButton = activity.composeButton;
final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(
activity);
preferences.registerOnSharedPreferenceChangeListener(this);
hideFab = preferences.getBoolean("fabHide", false);
scrollListener = new EndlessOnScrollListener(layoutManager) {
@Override
public void onScrolled(RecyclerView view, int dx, int dy) {
super.onScrolled(view, dx, dy);
if (hideFab) {
if (dy > 0 && composeButton.isShown()) {
composeButton.hide(); // hides the button if we're scrolling down
} else if (dy < 0 && !composeButton.isShown()) {
composeButton.show(); // shows it if we are scrolling up
}
} else if (!composeButton.isShown()) {
composeButton.show();
}
}
@Override
public void onLoadMore(int page, int totalItemsCount, RecyclerView view) {
NotificationsAdapter adapter = (NotificationsAdapter) view.getAdapter();
Notification notification = adapter.getItem(adapter.getItemCount() - 2);
if (notification != null) {
sendFetchNotificationsRequest(notification.id, null);
} else {
sendFetchNotificationsRequest();
}
}
};
recyclerView.addOnScrollListener(scrollListener);
}
@Override
public void onDestroy() {
super.onDestroy();
@ -245,4 +282,11 @@ public class NotificationsFragment extends SFragment implements
public void onViewAccount(String id) {
super.viewAccount(id);
}
@Override
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
if(key.equals("fabHide")) {
hideFab = sharedPreferences.getBoolean("fabHide", false);
}
}
}

16
app/src/main/java/com/keylesspalace/tusky/TimelineFragment.java
View File

@ -39,7 +39,7 @@ import retrofit2.Call;
import retrofit2.Callback;
public class TimelineFragment extends SFragment implements
SwipeRefreshLayout.OnRefreshListener, StatusActionListener, StatusRemoveListener {
SwipeRefreshLayout.OnRefreshListener, StatusActionListener, StatusRemoveListener, SharedPreferences.OnSharedPreferenceChangeListener {
private static final String TAG = "Timeline"; // logging tag
private Call<List<Status>> listCall;
@ -61,6 +61,7 @@ public class TimelineFragment extends SFragment implements
private LinearLayoutManager layoutManager;
private EndlessOnScrollListener scrollListener;
private TabLayout.OnTabSelectedListener onTabSelectedListener;
private boolean hideFab;
public static TimelineFragment newInstance(Kind kind) {
TimelineFragment fragment = new TimelineFragment();
@ -152,17 +153,21 @@ public class TimelineFragment extends SFragment implements
final FloatingActionButton composeButton = activity.composeButton;
final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(
activity);
preferences.registerOnSharedPreferenceChangeListener(this);
hideFab = preferences.getBoolean("fabHide", false);
scrollListener = new EndlessOnScrollListener(layoutManager) {
@Override
public void onScrolled(RecyclerView view, int dx, int dy) {
super.onScrolled(view, dx, dy);
if (preferences.getBoolean("fabHide", false)) {
if (hideFab) {
if (dy > 0 && composeButton.isShown()) {
composeButton.hide(); // hides the button if we're scrolling down
} else if (dy < 0 && !composeButton.isShown()) {
composeButton.show(); // shows it if we are scrolling up
}
} else if (!composeButton.isShown()) {
composeButton.show();
}
}
@ -358,4 +363,11 @@ public class TimelineFragment extends SFragment implements
}
super.viewAccount(id);
}
@Override
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
if(key.equals("fabHide")) {
hideFab = sharedPreferences.getBoolean("fabHide", false);
}
}
}