Add place search attribution

app/src/googleplay/java/org/tasks/location/GooglePlacesSearchProvider.java

@@ -43,6 +43,13 @@ public class GooglePlacesSearchProvider implements PlaceSearchProvider {
   @Override
   public void saveState(Bundle outState) {}
 
+  @Override
+  public int getAttributionRes(boolean dark) {
+    return dark
+        ? R.drawable.places_powered_by_google_dark
+        : R.drawable.places_powered_by_google_light;
+  }
+
   @Override
   public void search(
       String query,

app/src/main/java/org/tasks/location/LocationPickerActivity.java

@@ -122,7 +122,7 @@ public class LocationPickerActivity extends InjectingAppCompatActivity
   private CompositeDisposable disposables;
   private MapPosition mapPosition;
   private LocationPickerAdapter recentsAdapter = new LocationPickerAdapter(this);
-  private LocationSearchAdapter searchAdapter = new LocationSearchAdapter(this);
+  private LocationSearchAdapter searchAdapter;
   private List<PlaceUsage> places = Collections.emptyList();
   private int offset;
   private MenuItem search;
@@ -202,7 +202,8 @@ public class LocationPickerActivity extends InjectingAppCompatActivity
     themeColor.applyToStatusBarIcons(this);
     themeColor.applyToNavigationBar(this);
 
-    map.init(getSupportFragmentManager(), this, theme.getThemeBase().isDarkTheme(this));
+    boolean dark = theme.getThemeBase().isDarkTheme(this);
+    map.init(getSupportFragmentManager(), this, dark);
 
     CoordinatorLayout.LayoutParams params =
         (CoordinatorLayout.LayoutParams) appBarLayout.getLayoutParams();
@@ -244,6 +245,7 @@ public class LocationPickerActivity extends InjectingAppCompatActivity
 
     findViewById(map.getMarkerId()).setVisibility(View.VISIBLE);
 
+    searchAdapter = new LocationSearchAdapter(searchProvider.getAttributionRes(dark), this);
     recentsAdapter.setHasStableIds(true);
     recyclerView.setLayoutManager(new LinearLayoutManager(this));
     recyclerView.setAdapter(search.isActionViewExpanded() ? searchAdapter : recentsAdapter);

app/src/main/java/org/tasks/location/LocationSearchAdapter.java

@@ -3,36 +3,95 @@ package org.tasks.location;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ImageView;
 import android.widget.TextView;
+import androidx.annotation.DrawableRes;
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.recyclerview.widget.AsyncDifferConfig;
+import androidx.recyclerview.widget.AsyncListDiffer;
 import androidx.recyclerview.widget.DiffUtil.ItemCallback;
-import androidx.recyclerview.widget.ListAdapter;
+import androidx.recyclerview.widget.ListUpdateCallback;
 import androidx.recyclerview.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView.ViewHolder;
 import com.google.common.base.Strings;
+import java.util.List;
 import org.tasks.R;
-import org.tasks.location.LocationSearchAdapter.SearchViewHolder;
 
-public class LocationSearchAdapter extends ListAdapter<PlaceSearchResult, SearchViewHolder> {
+public class LocationSearchAdapter extends RecyclerView.Adapter<ViewHolder>
+    implements ListUpdateCallback {
 
+  private final int attributionRes;
   private final OnPredictionPicked callback;
+  private final AsyncListDiffer<PlaceSearchResult> differ;
 
-  LocationSearchAdapter(OnPredictionPicked callback) {
-    super(new DiffCallback());
-
+  LocationSearchAdapter(@DrawableRes int attributionRes, OnPredictionPicked callback) {
+    this.attributionRes = attributionRes;
     this.callback = callback;
+    differ =
+        new AsyncListDiffer<>(this, new AsyncDifferConfig.Builder<>(new DiffCallback()).build());
   }
 
   @NonNull
   @Override
-  public SearchViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-    return new SearchViewHolder(
-        LayoutInflater.from(parent.getContext()).inflate(R.layout.row_place, parent, false),
-        callback);
+  public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+    return viewType == 0
+        ? new SearchViewHolder(
+            LayoutInflater.from(parent.getContext()).inflate(R.layout.row_place, parent, false),
+            callback)
+        : new FooterViewHolder(
+            LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.row_place_footer, parent, false),
+            attributionRes);
+  }
+
+  void submitList(@Nullable List<PlaceSearchResult> list) {
+    differ.submitList(list);
   }
 
   @Override
-  public void onBindViewHolder(@NonNull SearchViewHolder holder, int position) {
-    holder.bind(getItem(position));
+  public int getItemCount() {
+    return differ.getCurrentList().size() + 1;
+  }
+
+  @Override
+  public int getItemViewType(int position) {
+    return position < getItemCount() - 1 ? 0 : 1;
+  }
+
+  @Override
+  public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+    if (getItemViewType(position) == 0) {
+      ((SearchViewHolder) holder).bind(differ.getCurrentList().get(position));
+    } else {
+      ((FooterViewHolder) holder).bind(position);
+    }
+  }
+
+  @Override
+  public void onInserted(int position, int count) {
+    notifyItemRangeInserted(position, count);
+    updateFooter();
+  }
+
+  @Override
+  public void onRemoved(int position, int count) {
+    notifyItemRangeRemoved(position, count);
+    updateFooter();
+  }
+
+  @Override
+  public void onMoved(int fromPosition, int toPosition) {
+    notifyItemMoved(fromPosition, toPosition);
+  }
+
+  @Override
+  public void onChanged(int position, int count, Object payload) {
+    notifyItemRangeChanged(position, count, payload);
+  }
+
+  private void updateFooter() {
+    notifyItemChanged(getItemCount() - 1);
   }
 
   public interface OnPredictionPicked {
@@ -57,7 +116,9 @@ public class LocationSearchAdapter extends ListAdapter<PlaceSearchResult, Search
       CharSequence name = prediction.getName();
       CharSequence address = prediction.getAddress();
       this.name.setText(name);
-      if (address == null || Strings.isNullOrEmpty(address.toString()) || address.toString().equals(name.toString())) {
+      if (address == null
+          || Strings.isNullOrEmpty(address.toString())
+          || address.toString().equals(name.toString())) {
         this.address.setVisibility(View.GONE);
       } else {
         this.address.setText(address);
@@ -66,6 +127,22 @@ public class LocationSearchAdapter extends ListAdapter<PlaceSearchResult, Search
     }
   }
 
+  public static class FooterViewHolder extends RecyclerView.ViewHolder {
+
+    View divider;
+
+    FooterViewHolder(@NonNull View itemView, @DrawableRes int attributionRes) {
+      super(itemView);
+
+      ((ImageView) itemView.findViewById(R.id.place_attribution)).setImageResource(attributionRes);
+      divider = itemView.findViewById(R.id.divider);
+    }
+
+    void bind(int position) {
+      divider.setVisibility(position == 0 ? View.GONE : View.VISIBLE);
+    }
+  }
+
   public static class DiffCallback extends ItemCallback<PlaceSearchResult> {
 
     @Override

app/src/main/java/org/tasks/location/MapboxSearchProvider.java

@@ -33,6 +33,11 @@ public class MapboxSearchProvider implements PlaceSearchProvider {
   @Override
   public void saveState(Bundle outState) {}
 
+  @Override
+  public int getAttributionRes(boolean dark) {
+    return R.drawable.mapbox_logo_icon;
+  }
+
   @Override
   public void search(
       String query,

app/src/main/java/org/tasks/location/PlaceSearchProvider.java

@@ -1,6 +1,7 @@
 package org.tasks.location;
 
 import android.os.Bundle;
+import androidx.annotation.DrawableRes;
 import java.util.List;
 import org.tasks.Callback;
 import org.tasks.data.Place;
@@ -10,6 +11,8 @@ public interface PlaceSearchProvider {
 
   void saveState(Bundle outState);
 
+  @DrawableRes int getAttributionRes(boolean dark);
+
   void search(
       String query,
       MapPosition bias,

app/src/main/res/layout/row_place_footer.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+  android:layout_width="match_parent"
+  android:layout_height="wrap_content"
+  android:orientation="vertical">
+
+  <View
+    android:id="@+id/divider"
+    style="@style/task_edit_row_divider"/>
+
+  <ImageView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/place_attribution"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:paddingTop="@dimen/keyline_first"
+    android:paddingStart="@dimen/keyline_content_inset"
+    android:paddingEnd="@dimen/keyline_second"
+    android:paddingLeft="@dimen/keyline_content_inset"
+    android:paddingRight="@dimen/keyline_second"
+    android:src="@drawable/mapbox_logo_icon"/>
+
+</LinearLayout>