Added profiles for custom layouts.

Users can add severals custom layouts and select one of them in recording fragment. The last selected layout is the one that will be use in the next recording.
Fixes #938.

src/main/java/de/dennisguse/opentracks/adapters/SettingsCustomLayoutEditAdapter.java

@@ -18,13 +18,13 @@ import de.dennisguse.opentracks.content.data.DataField;
 import de.dennisguse.opentracks.content.data.Layout;
 import de.dennisguse.opentracks.util.StatisticsUtils;
 
-public class SettingsCustomLayoutAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
+public class SettingsCustomLayoutEditAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
 
     private Layout layout;
     private final Context context;
     private final SettingsCustomLayoutItemClickListener itemClickListener;
 
-    public SettingsCustomLayoutAdapter(Context context, SettingsCustomLayoutItemClickListener itemClickListener, Layout layout) {
+    public SettingsCustomLayoutEditAdapter(Context context, SettingsCustomLayoutItemClickListener itemClickListener, Layout layout) {
         this.context = context;
         this.itemClickListener = itemClickListener;
         this.layout = layout;
@@ -34,12 +34,12 @@ public class SettingsCustomLayoutAdapter extends RecyclerView.Adapter<RecyclerVi
     @Override
     public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
         View view = LayoutInflater.from(context).inflate(R.layout.custom_stats_item, parent, false);
-        return new SettingsCustomLayoutAdapter.ViewHolder(view);
+        return new SettingsCustomLayoutEditAdapter.ViewHolder(view);
     }
 
     @Override
     public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
-        SettingsCustomLayoutAdapter.ViewHolder viewHolder = (SettingsCustomLayoutAdapter.ViewHolder) holder;
+        SettingsCustomLayoutEditAdapter.ViewHolder viewHolder = (SettingsCustomLayoutEditAdapter.ViewHolder) holder;
         DataField field = layout.getFields().get(position);
         viewHolder.itemView.setTag(field.getKey());
         viewHolder.title.setText(field.getTitle());

src/main/java/de/dennisguse/opentracks/adapters/SettingsCustomLayoutListAdapter.java

@@ -0,0 +1,95 @@
+package de.dennisguse.opentracks.adapters;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.List;
+import java.util.Optional;
+
+import de.dennisguse.opentracks.R;
+import de.dennisguse.opentracks.content.data.Layout;
+import de.dennisguse.opentracks.settings.PreferencesUtils;
+
+public class SettingsCustomLayoutListAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
+
+    private List<Layout> layoutList;
+    private final Context context;
+    private SettingsCustomLayoutProfileClickListener itemClickListener;
+
+    public SettingsCustomLayoutListAdapter(Context context, SettingsCustomLayoutProfileClickListener itemClickListener) {
+        this.context = context;
+        this.itemClickListener = itemClickListener;
+        layoutList = PreferencesUtils.getAllCustomLayouts();
+    }
+
+    @NonNull
+    @Override
+    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(context).inflate(R.layout.custom_layout_item, parent, false);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
+        SettingsCustomLayoutListAdapter.ViewHolder viewHolder = (SettingsCustomLayoutListAdapter.ViewHolder) holder;
+        Layout layout = layoutList.get(position);
+        viewHolder.itemView.setTag(layout.getName());
+        viewHolder.title.setText(layout.getName());
+    }
+
+    @Override
+    public int getItemCount() {
+        if (layoutList == null) {
+            return 0;
+        }
+        return layoutList.size();
+    }
+
+    public List<Layout> getLayouts() {
+        return layoutList;
+    }
+
+    public void reloadLayouts() {
+        layoutList = PreferencesUtils.getAllCustomLayouts();
+        notifyDataSetChanged();
+    }
+
+    public void removeLayout(int position) {
+        layoutList.remove(position);
+        PreferencesUtils.updateCustomLayouts(layoutList);
+        notifyDataSetChanged();
+    }
+
+    public void restoreItem(Layout layout, int position) {
+        layoutList.add(position, layout);
+        PreferencesUtils.updateCustomLayouts(layoutList);
+        notifyDataSetChanged();
+    }
+
+    private class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
+        final TextView title;
+
+        public ViewHolder(@NonNull View itemView) {
+            super(itemView);
+            title = itemView.findViewById(R.id.custom_layout_title);
+            itemView.setOnClickListener(this);
+        }
+
+        @Override
+        public void onClick(View view) {
+            String profile = (String) view.getTag();
+            Optional<Layout> optionalLayout = layoutList.stream().filter(layout -> layout.sameName(new Layout(profile))).findFirst();
+            optionalLayout.ifPresent(itemClickListener::onSettingsCustomLayoutProfileClicked);
+        }
+    }
+
+    public interface SettingsCustomLayoutProfileClickListener {
+        void onSettingsCustomLayoutProfileClicked(@NonNull Layout layout);
+    }
+}