Changes

app/build.gradle

@@ -101,6 +101,7 @@ dependencies {
     compile 'commons-cli:commons-cli:1.2'
     compile 'com.squareup:otto:1.3.8'
     compile 'com.jakewharton:butterknife:7.0.1'
+    compile 'org.solovyev.android.views:linear-layout-manager:0.5@aar'
 
     compile 'com.google.dagger:dagger:2.0.2'
     apt "com.google.dagger:dagger-compiler:2.0.2"

app/src/main/java/org/solovyev/android/calculator/CalculatorFragmentType.java

@@ -50,8 +50,8 @@ public enum CalculatorFragmentType {
     editor(CalculatorEditorFragment.class, R.layout.cpp_app_editor, R.string.editor),
     //display(CalculatorHistoryFragment.class, "history", R.layout.fragment_history, R.string.c_history),
     //keyboard(CalculatorHistoryFragment.class, "history", R.layout.fragment_history, R.string.c_history),
-    history(RecentHistoryFragment.class, R.layout.fragment_history, R.string.c_history),
+    history(RecentHistoryFragment.class, R.layout.fragment_history, R.string.cpp_history_tab_recent),
-    saved_history(SavedHistoryFragment.class, R.layout.fragment_history, R.string.c_saved_history),
+    saved_history(SavedHistoryFragment.class, R.layout.fragment_history, R.string.cpp_history_tab_saved),
     variables(CalculatorVarsFragment.class, R.layout.vars_fragment, R.string.c_vars),
     functions(CalculatorFunctionsFragment.class, R.layout.math_entities_fragment, R.string.c_functions),
     operators(CalculatorOperatorsFragment.class, R.layout.math_entities_fragment, R.string.c_operators),

app/src/main/java/org/solovyev/android/calculator/history/BaseHistoryFragment.java

@@ -26,36 +26,53 @@ import android.app.Activity;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.annotation.StringRes;
+import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentActivity;
-import android.support.v4.app.ListFragment;
 import android.support.v7.app.AlertDialog;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
 import android.text.ClipboardManager;
+import android.text.format.DateUtils;
 import android.view.*;
-import android.widget.AdapterView;
+import android.widget.TextView;
-import android.widget.ArrayAdapter;
+import butterknife.Bind;
-import android.widget.ListView;
+import butterknife.ButterKnife;
 import com.melnykov.fab.FloatingActionButton;
 import com.squareup.otto.Bus;
 import com.squareup.otto.Subscribe;
+import org.solovyev.android.Check;
 import org.solovyev.android.calculator.*;
 import org.solovyev.android.calculator.jscl.JsclOperation;
+import org.solovyev.android.views.llm.DividerItemDecoration;
 import org.solovyev.common.text.Strings;
 
 import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
 import javax.inject.Inject;
-import java.util.ArrayList;
 import java.util.List;
 
-public abstract class BaseHistoryFragment extends ListFragment {
+import static android.view.Menu.NONE;
+import static android.view.View.GONE;
+import static android.view.View.VISIBLE;
+
+public abstract class BaseHistoryFragment extends Fragment {
+    private final boolean recentHistory;
     @Inject
     History history;
     @Inject
     Bus bus;
-    private HistoryArrayAdapter adapter;
+    @Bind(R.id.history_recyclerview)
+    RecyclerView recyclerView;
+    @Bind(R.id.history_fab)
+    FloatingActionButton fab;
     @Nonnull
     private FragmentUi ui;
+    private HistoryAdapter adapter;
 
     protected BaseHistoryFragment(@Nonnull CalculatorFragmentType type) {
+        recentHistory = type == CalculatorFragmentType.history;
         ui = new FragmentUi(type.getDefaultLayoutId(), type.getDefaultTitleResId(), false);
     }
 
@@ -81,46 +98,33 @@ public abstract class BaseHistoryFragment extends ListFragment {
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         ((CalculatorApplication) getActivity().getApplication()).getComponent().inject(this);
-        bus.register(this);
         ui.onCreate(this);
     }
 
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        return ui.onCreateView(this, inflater, container);
+        final View view = ui.onCreateView(this, inflater, container);
-    }
+        ButterKnife.bind(this, view);
-
+        final Context context = inflater.getContext();
-    @Override
+        adapter = new HistoryAdapter(context);
-    public void onViewCreated(View root, Bundle savedInstanceState) {
+        bus.register(adapter);
-        super.onViewCreated(root, savedInstanceState);
+        recyclerView.setLayoutManager(new LinearLayoutManager(context, LinearLayoutManager.VERTICAL, false));
-
+        recyclerView.setAdapter(adapter);
-        ui.onViewCreated(this, root);
+        recyclerView.addItemDecoration(new DividerItemDecoration(context, null));
-
+        fab.attachToRecyclerView(recyclerView);
-        adapter = new HistoryArrayAdapter(this.getActivity(), getItemLayoutId(), R.id.history_item, new ArrayList<HistoryState>());
-        setListAdapter(adapter);
-
-        final ListView lv = getListView();
-        lv.setTextFilterEnabled(true);
-
-        final FloatingActionButton fab = (FloatingActionButton) root.findViewById(R.id.fab);
-        fab.attachToListView(lv);
         fab.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
                 showClearHistoryDialog();
             }
         });
-
+        return view;
-        lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
-            public void onItemClick(final AdapterView<?> parent,
-                                    final View view,
-                                    final int position,
-                                    final long id) {
-                useState((HistoryState) parent.getItemAtPosition(position));
     }
-        });
 
-        registerForContextMenu(lv);
+    @Override
+    public void onViewCreated(View root, Bundle savedInstanceState) {
+        super.onViewCreated(root, savedInstanceState);
+        ui.onViewCreated(this, root);
     }
 
     private void showClearHistoryDialog() {
@@ -130,7 +134,11 @@ public abstract class BaseHistoryFragment extends ListFragment {
                 .setPositiveButton(R.string.cpp_clear_history, new DialogInterface.OnClickListener() {
                     @Override
                     public void onClick(DialogInterface dialog, int which) {
-                        clearHistory();
+                        if (recentHistory) {
+                            history.clearRecent();
+                        } else {
+                            history.clearSaved();
+                        }
                     }
                 })
                 .setNegativeButton(R.string.c_cancel, null)
@@ -142,33 +150,8 @@ public abstract class BaseHistoryFragment extends ListFragment {
     public void onResume() {
         super.onResume();
         ui.onResume(this);
-        updateAdapter();
     }
 
-    @Override
-    public final void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
-        super.onCreateContextMenu(menu, v, menuInfo);
-        final AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
-        final HistoryState state = (HistoryState) getListView().getItemAtPosition(info.position);
-
-        onCreateContextMenu(menu, state);
-    }
-
-    protected abstract void onCreateContextMenu(@Nonnull ContextMenu menu, @Nonnull HistoryState state);
-
-    @Override
-    public final boolean onContextItemSelected(MenuItem item) {
-        final AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) item.getMenuInfo();
-        final HistoryState state = (HistoryState) getListView().getItemAtPosition(info.position);
-
-        if (onContextItemSelected(item, state)) {
-            return true;
-        }
-        return super.onContextItemSelected(item);
-    }
-
-    protected abstract boolean onContextItemSelected(@Nonnull MenuItem item, @Nonnull HistoryState state);
-
     @SuppressWarnings("deprecation")
     protected final void copyResult(@Nonnull HistoryState state) {
         final Context context = getActivity();
@@ -203,53 +186,188 @@ public abstract class BaseHistoryFragment extends ListFragment {
 
     @Override
     public void onDestroyView() {
+        bus.unregister(adapter);
         ui.onDestroyView(this);
         super.onDestroyView();
     }
 
     @Override
     public void onDestroy() {
-        bus.unregister(this);
         ui.onDestroy(this);
         super.onDestroy();
     }
 
-    protected abstract int getItemLayoutId();
+    public class HistoryViewHolder extends RecyclerView.ViewHolder implements View.OnCreateContextMenuListener, View.OnClickListener, MenuItem.OnMenuItemClickListener {
 
-    private void updateAdapter() {
+        private static final int DATETIME_FORMAT = DateUtils.FORMAT_SHOW_TIME | DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_ABBREV_MONTH | DateUtils.FORMAT_ABBREV_TIME;
-        final List<HistoryState> historyList = getHistoryItems();
+        @Bind(R.id.history_item_value)
+        TextView valueView;
+        @Bind(R.id.history_item_comment)
+        TextView commentView;
+        @Bind(R.id.history_item_time)
+        TextView timeView;
+        @Nullable
+        private HistoryState state;
 
-        final ArrayAdapter<HistoryState> adapter = getAdapter();
+        public HistoryViewHolder(View view) {
-        try {
+            super(view);
-            adapter.setNotifyOnChange(false);
+            ButterKnife.bind(this, view);
-            adapter.clear();
+            view.setOnCreateContextMenuListener(this);
-            for (HistoryState historyState : historyList) {
+            view.setOnClickListener(this);
-                adapter.add(historyState);
-            }
-        } finally {
-            adapter.setNotifyOnChange(true);
         }
 
-        adapter.notifyDataSetChanged();
+        void bind(@Nonnull HistoryState state) {
+            this.state = state;
+            valueView.setText(BaseHistoryFragment.getHistoryText(state));
+            timeView.setText(DateUtils.formatDateTime(getContext(), state.getTime(), DATETIME_FORMAT));
+            final String comment = state.getComment();
+            if (!Strings.isEmpty(comment)) {
+                commentView.setText(comment);
+                commentView.setVisibility(VISIBLE);
+            } else {
+                commentView.setText(null);
+                commentView.setVisibility(GONE);
+            }
+        }
+
+        @Override
+        public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
+            Check.isNotNull(state);
+            if (recentHistory) {
+                addMenu(menu, R.string.c_use);
+                addMenu(menu, R.string.c_copy_expression);
+                if (shouldHaveCopyResult(state)) {
+                    addMenu(menu, R.string.c_copy_result);
+                }
+                addMenu(menu, R.string.c_save);
+            } else {
+                addMenu(menu, R.string.c_use);
+                addMenu(menu, R.string.c_copy_expression);
+                if (shouldHaveCopyResult(state)) {
+                    addMenu(menu, R.string.c_copy_result);
+                }
+                addMenu(menu, R.string.c_edit);
+                addMenu(menu, R.string.c_remove);
+            }
         }
 
         @Nonnull
-    protected abstract List<HistoryState> getHistoryItems();
+        private MenuItem addMenu(@Nonnull ContextMenu menu, @StringRes int label) {
+            return menu.add(NONE, label, NONE, label).setOnMenuItemClickListener(this);
+        }
 
-    protected abstract void clearHistory();
+        @Override
+        public void onClick(View v) {
+            Check.isNotNull(state);
+            useState(state);
+        }
 
-    @Nonnull
+        @Override
-    protected HistoryArrayAdapter getAdapter() {
+        public boolean onMenuItemClick(MenuItem item) {
-        return adapter;
+            Check.isNotNull(state);
+            switch (item.getItemId()) {
+                case R.string.c_use:
+                    useState(state);
+                    return true;
+                case R.string.c_copy_expression:
+                    copyExpression(state);
+                    return true;
+                case R.string.c_copy_result:
+                    copyResult(state);
+                    return true;
+                case R.string.c_edit:
+                    EditHistoryFragment.show(state, false, getFragmentManager());
+                    return true;
+                case R.string.c_save:
+                    EditHistoryFragment.show(state, true, getFragmentManager());
+                    return true;
+                case R.string.c_remove:
+                    history.removeSaved(state);
+                    return true;
+            }
+            return false;
+        }
+    }
+
+    public class HistoryAdapter extends RecyclerView.Adapter<HistoryViewHolder> {
+
+        @NonNull
+        private final LayoutInflater inflater;
+
+        @NonNull
+        private final List<HistoryState> list;
+
+        public HistoryAdapter(@NonNull Context context) {
+            inflater = LayoutInflater.from(context);
+            list = loadHistory();
+            setHasStableIds(true);
+        }
+
+        @NonNull
+        private List<HistoryState> loadHistory() {
+            return recentHistory ? history.getRecent() : history.getSaved();
+        }
+
+        @Override
+        public HistoryViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+            return new HistoryViewHolder(inflater.inflate(R.layout.fragment_history_item, parent, false));
+        }
+
+        @Override
+        public void onBindViewHolder(HistoryViewHolder holder, int position) {
+            holder.bind(list.get(position));
+        }
+
+        @Override
+        public long getItemId(int position) {
+            return list.get(position).hashCode();
+        }
+
+        @Override
+        public int getItemCount() {
+            return list.size();
         }
 
         @Subscribe
-    void onHistoryChanged(@Nonnull History.ChangedEvent e) {
+        public void onHistoryCleared(@Nonnull History.ClearedEvent e) {
-        if (e.recent != isRecentHistory()) {
+            if (e.recent != recentHistory) {
                 return;
             }
-        updateAdapter();
+            list.clear();
+            notifyDataSetChanged();
         }
 
-    protected abstract boolean isRecentHistory();
+        @Subscribe
+        public void onHistoryAdded(@Nonnull History.AddedEvent e) {
+            if (e.recent != recentHistory) {
+                return;
+            }
+            list.add(e.state);
+            notifyItemInserted(0);
+        }
+
+        @Subscribe
+        public void onHistoryUpdated(@Nonnull History.UpdatedEvent e) {
+            if (e.recent != recentHistory) {
+                return;
+            }
+            final int i = list.indexOf(e.state);
+            if (i >= 0) {
+                list.set(i, e.state);
+                notifyItemChanged(i);
+            }
+        }
+
+        @Subscribe
+        public void onHistoryRemoved(@Nonnull History.RemovedEvent e) {
+            if (e.recent != recentHistory) {
+                return;
+            }
+            final int i = list.indexOf(e.state);
+            if (i >= 0) {
+                list.remove(i);
+                notifyItemRemoved(i);
+            }
+        }
+    }
 }

app/src/main/java/org/solovyev/android/calculator/history/EditHistoryFragment.java

@@ -78,11 +78,8 @@ public class EditHistoryFragment extends BaseDialogFragment {
         builder.setPositiveButton(R.string.c_save, new DialogInterface.OnClickListener() {
             @Override
             public void onClick(DialogInterface dialog, int which) {
-                final HistoryState.Builder b = HistoryState.builder(state)
+                final HistoryState.Builder b = HistoryState.builder(state, newState)
                         .withComment(commentView.getText().toString());
-                if (newState) {
-                    b.withNowTime();
-                }
                 history.updateSaved(b.build());
             }
         });

app/src/main/java/org/solovyev/android/calculator/history/History.java

@@ -27,25 +27,22 @@ import android.content.SharedPreferences;
 import android.os.Handler;
 import android.support.annotation.NonNull;
 import android.text.TextUtils;
-
 import com.google.common.base.Strings;
 import com.squareup.otto.Bus;
 import com.squareup.otto.Subscribe;
-
 import org.json.JSONArray;
 import org.json.JSONException;
 import org.solovyev.android.Check;
-import org.solovyev.android.calculator.App;
+import org.solovyev.android.calculator.*;
-import org.solovyev.android.calculator.AppModule;
-import org.solovyev.android.calculator.Display;
-import org.solovyev.android.calculator.DisplayState;
-import org.solovyev.android.calculator.Editor;
-import org.solovyev.android.calculator.EditorState;
-import org.solovyev.android.calculator.ErrorReporter;
 import org.solovyev.android.calculator.model.AndroidCalculatorEngine.Preferences;
 import org.solovyev.android.io.FileLoader;
 import org.solovyev.android.io.FileSaver;
 
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import javax.inject.Inject;
+import javax.inject.Named;
+import javax.inject.Singleton;
 import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
@@ -54,12 +51,6 @@ import java.util.LinkedList;
 import java.util.List;
 import java.util.concurrent.Executor;
 
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-import javax.inject.Inject;
-import javax.inject.Named;
-import javax.inject.Singleton;
-
 import static android.text.TextUtils.isEmpty;
 
 @Singleton
@@ -67,8 +58,8 @@ public class History {
 
     public static final String TAG = App.subTag("History");
     public static final String OLD_HISTORY_PREFS_KEY = "org.solovyev.android.calculator.CalculatorModel_history";
-    private static final ChangedEvent CHANGED_EVENT_RECENT = new ChangedEvent(true);
+    private static final ClearedEvent CLEARED_EVENT_RECENT = new ClearedEvent(true);
-    private static final ChangedEvent CHANGED_EVENT_SAVED = new ChangedEvent(false);
+    private static final ClearedEvent CLEARED_EVENT_SAVED = new ClearedEvent(false);
     private static final int MAX_INTERMEDIATE_STREAK = 5;
     @NonNull
     private final Runnable writeRecent = new WriteTask(true);
@@ -246,7 +237,7 @@ public class History {
     public void addRecent(@Nonnull HistoryState state) {
         Check.isMainThread();
         recent.add(state);
-        onRecentChanged();
+        onRecentChanged(new AddedEvent(state, true));
     }
 
     public void updateSaved(@Nonnull HistoryState state) {
@@ -254,22 +245,23 @@ public class History {
         final int i = saved.indexOf(state);
         if(i >= 0) {
             saved.set(i, state);
+            onSavedChanged(new UpdatedEvent(state, false));
         } else {
             saved.add(state);
+            onSavedChanged(new AddedEvent(state, false));
         }
-        onSavedChanged();
     }
 
-    private void onRecentChanged() {
+    private void onRecentChanged(@Nonnull Object event) {
         handler.removeCallbacks(writeRecent);
         handler.postDelayed(writeRecent, 500);
-        bus.post(CHANGED_EVENT_RECENT);
+        bus.post(event);
     }
 
-    private void onSavedChanged() {
+    private void onSavedChanged(@Nonnull Object event) {
         handler.removeCallbacks(writeSaved);
         handler.postDelayed(writeSaved, 500);
-        bus.post(CHANGED_EVENT_SAVED);
+        bus.post(event);
     }
 
     @Nonnull
@@ -314,13 +306,13 @@ public class History {
     public void clearRecent() {
         Check.isMainThread();
         recent.clear();
-        onRecentChanged();
+        onRecentChanged(CLEARED_EVENT_RECENT);
     }
 
     public void clearSaved() {
         Check.isMainThread();
         saved.clear();
-        onSavedChanged();
+        onSavedChanged(CLEARED_EVENT_SAVED);
     }
 
     public void undo() {
@@ -347,13 +339,13 @@ public class History {
     public void removeSaved(@Nonnull HistoryState state) {
         Check.isMainThread();
         saved.remove(state);
-        onSavedChanged();
+        onSavedChanged(new RemovedEvent(state, false));
     }
 
     public void removeRecent(@Nonnull HistoryState state) {
         Check.isMainThread();
         recent.remove(state);
-        onRecentChanged();
+        onSavedChanged(new RemovedEvent(state, true));
     }
 
     @Subscribe
@@ -366,10 +358,39 @@ public class History {
         addRecent(HistoryState.builder(editorState, displayState).build());
     }
 
-    public static class ChangedEvent {
+    public static class ClearedEvent {
         public final boolean recent;
 
-        public ChangedEvent(boolean recent) {
+        ClearedEvent(boolean recent) {
+            this.recent = recent;
+        }
+    }
+
+    public static class RemovedEvent extends StateEvent {
+        RemovedEvent(@Nonnull HistoryState state, boolean recent) {
+            super(state, recent);
+        }
+    }
+
+    public static class AddedEvent extends StateEvent {
+        AddedEvent(@Nonnull HistoryState state, boolean recent) {
+            super(state, recent);
+        }
+    }
+
+    public static class UpdatedEvent extends StateEvent {
+        UpdatedEvent(@Nonnull HistoryState state, boolean recent) {
+            super(state, recent);
+        }
+    }
+
+    public abstract static class StateEvent {
+        @Nonnull
+        public final HistoryState state;
+        public final boolean recent;
+
+        protected StateEvent(@Nonnull HistoryState state, boolean recent) {
+            this.state = state;
             this.recent = recent;
         }
     }

app/src/main/java/org/solovyev/android/calculator/history/HistoryArrayAdapter.java

@@ -51,10 +51,10 @@ public class HistoryArrayAdapter extends ArrayAdapter<HistoryState> {
 
         final HistoryState state = getItem(position);
 
-        final TextView time = (TextView) result.findViewById(R.id.history_time);
+        final TextView time = (TextView) result.findViewById(R.id.history_item_time);
         time.setText(DateUtils.formatDateTime(getContext(), state.getTime(), DATETIME_FORMAT));
 
-        final TextView editor = (TextView) result.findViewById(R.id.history_item);
+        final TextView editor = (TextView) result.findViewById(R.id.history_item_value);
         editor.setText(BaseHistoryFragment.getHistoryText(state));
 
         final TextView commentView = (TextView) result.findViewById(R.id.history_item_comment);

app/src/main/java/org/solovyev/android/calculator/history/HistoryState.java

@@ -3,7 +3,6 @@ package org.solovyev.android.calculator.history;
 import android.annotation.SuppressLint;
 import android.os.Parcel;
 import android.os.Parcelable;
-
 import org.json.JSONException;
 import org.json.JSONObject;
 import org.solovyev.android.Check;
@@ -37,7 +36,7 @@ public class HistoryState implements Parcelable {
     public final EditorState editor;
     @Nonnull
     public final DisplayState display;
-    protected long time;
+    protected long time = now();
     @Nonnull
     protected String comment = "";
 
@@ -47,8 +46,8 @@ public class HistoryState implements Parcelable {
         this.display = display;
     }
 
-    private HistoryState(@Nonnull HistoryState state) {
+    private HistoryState(@Nonnull HistoryState state, boolean newState) {
-        this.id = state.id;
+        this.id = newState ? System.identityHashCode(this) : state.id;
         this.editor = state.editor;
         this.display = state.display;
         this.time = state.time;
@@ -75,8 +74,8 @@ public class HistoryState implements Parcelable {
     }
 
     @Nonnull
-    public static Builder builder(@Nonnull HistoryState state) {
+    public static Builder builder(@Nonnull HistoryState state, boolean newState) {
-        return new Builder(state);
+        return new Builder(state, newState);
     }
 
     @Nonnull
@@ -84,6 +83,10 @@ public class HistoryState implements Parcelable {
         return new HistoryState(json);
     }
 
+    private static long now() {
+        return System.currentTimeMillis();
+    }
+
     @Nonnull
     public JSONObject toJson() throws JSONException {
         final JSONObject json = new JSONObject();
@@ -122,7 +125,7 @@ public class HistoryState implements Parcelable {
     @Override
     public boolean equals(Object o) {
         if (this == o) return true;
-        if (o == null || getClass() != o.getClass()) return false;
+        if (o == null || !(o instanceof HistoryState)) return false;
 
         final HistoryState that = (HistoryState) o;
 
@@ -167,16 +170,13 @@ public class HistoryState implements Parcelable {
 
         private Builder(@Nonnull EditorState editor, @Nonnull DisplayState display) {
             super(editor, display);
-            withNowTime();
         }
 
-        private Builder(@Nonnull HistoryState state) {
+        private Builder(@Nonnull HistoryState state, boolean newState) {
-            super(state);
+            super(state, newState);
+            if (newState) {
+                withTime(now());
             }
-
-        @Nonnull
-        public Builder withNowTime() {
-            return withTime(System.currentTimeMillis());
         }
 
         @Nonnull

app/src/main/java/org/solovyev/android/calculator/history/RecentHistoryFragment.java

@@ -37,53 +37,4 @@ public class RecentHistoryFragment extends BaseHistoryFragment {
     public RecentHistoryFragment() {
         super(CalculatorFragmentType.history);
     }
-
-    @Override
-    protected int getItemLayoutId() {
-        return R.layout.fragment_history_item;
-    }
-
-    @Nonnull
-    @Override
-    protected List<HistoryState> getHistoryItems() {
-        return history.getRecent();
-    }
-
-    @Override
-    protected void clearHistory() {
-        history.clearRecent();
-        getAdapter().clear();
-    }
-
-    @Override
-    protected boolean isRecentHistory() {
-        return true;
-    }
-
-    protected void onCreateContextMenu(@Nonnull ContextMenu menu, @Nonnull HistoryState state) {
-        menu.add(NONE, R.string.c_use, NONE, R.string.c_use);
-        menu.add(NONE, R.string.c_copy_expression, NONE, R.string.c_copy_expression);
-        if (shouldHaveCopyResult(state)) {
-            menu.add(NONE, R.string.c_copy_result, NONE, R.string.c_copy_result);
-        }
-        menu.add(NONE, R.string.c_save, NONE, R.string.c_save);
-    }
-
-    protected boolean onContextItemSelected(@Nonnull MenuItem item, @Nonnull HistoryState state) {
-        switch (item.getItemId()) {
-            case R.string.c_use:
-                useState(state);
-                return true;
-            case R.string.c_copy_expression:
-                copyExpression(state);
-                return true;
-            case R.string.c_copy_result:
-                copyResult(state);
-                return true;
-            case R.string.c_save:
-                EditHistoryFragment.show(state, true, getFragmentManager());
-                return true;
-        }
-        return false;
-    }
 }

app/src/main/java/org/solovyev/android/calculator/history/SavedHistoryFragment.java

@@ -22,73 +22,11 @@
 
 package org.solovyev.android.calculator.history;
 
-import android.view.ContextMenu;
-import android.view.MenuItem;
 import org.solovyev.android.calculator.CalculatorFragmentType;
-import org.solovyev.android.calculator.R;
-
-import javax.annotation.Nonnull;
-import java.util.List;
-
-import static android.view.Menu.NONE;
 
 public class SavedHistoryFragment extends BaseHistoryFragment {
 
     public SavedHistoryFragment() {
         super(CalculatorFragmentType.saved_history);
     }
-
-    @Override
-    protected int getItemLayoutId() {
-        return R.layout.saved_history_item;
-    }
-
-    @Nonnull
-    @Override
-    protected List<HistoryState> getHistoryItems() {
-        return history.getSaved();
-    }
-
-    @Override
-    protected void clearHistory() {
-        history.clearSaved();
-        getAdapter().clear();
-    }
-
-    @Override
-    protected boolean isRecentHistory() {
-        return false;
-    }
-
-    protected void onCreateContextMenu(@Nonnull ContextMenu menu, @Nonnull HistoryState state) {
-        menu.add(NONE, R.string.c_use, NONE, R.string.c_use);
-        menu.add(NONE, R.string.c_copy_expression, NONE, R.string.c_copy_expression);
-        if (shouldHaveCopyResult(state)) {
-            menu.add(NONE, R.string.c_copy_result, NONE, R.string.c_copy_result);
-        }
-        menu.add(NONE, R.string.c_edit, NONE, R.string.c_edit);
-        menu.add(NONE, R.string.c_remove, NONE, R.string.c_remove);
-    }
-
-    protected boolean onContextItemSelected(@Nonnull MenuItem item, @Nonnull HistoryState state) {
-        switch (item.getItemId()) {
-            case R.string.c_use:
-                useState(state);
-                return true;
-            case R.string.c_copy_expression:
-                copyExpression(state);
-                return true;
-            case R.string.c_copy_result:
-                copyResult(state);
-                return true;
-            case R.string.c_edit:
-                EditHistoryFragment.show(state, false, getFragmentManager());
-                return true;
-            case R.string.c_remove:
-                history.removeSaved(state);
-                return true;
-
-        }
-        return false;
-    }
 }

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

@@ -23,9 +23,9 @@
   -->
 
 <LinearLayout
-    xmlns:a="http://schemas.android.com/apk/res/android"
     a:id="@+id/main_fragment_layout"
     style="@style/CppFragment"
+    xmlns:a="http://schemas.android.com/apk/res/android"
     a:layout_width="match_parent"
     a:layout_height="match_parent">
 
@@ -41,10 +41,13 @@
         a:layout_width="match_parent"
         a:layout_height="match_parent">
 
-        <ListView style="@style/CppListView" />
+        <android.support.v7.widget.RecyclerView
+            a:id="@+id/history_recyclerview"
+            a:layout_width="match_parent"
+            a:layout_height="match_parent" />
 
         <com.melnykov.fab.FloatingActionButton
-            a:id="@+id/fab"
+            a:id="@+id/history_fab"
             style="@style/CppFab"
             a:src="@drawable/ic_delete_white_36dp" />
     </FrameLayout>

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

@@ -23,20 +23,29 @@
   -->
 
 <LinearLayout
+    style="@style/CppListItem.TwoLines"
     xmlns:a="http://schemas.android.com/apk/res/android"
-    style="@style/CppListViewItem"
     a:orientation="vertical">
 
     <TextView
-        a:id="@+id/history_item"
+        a:id="@+id/history_item_value"
-        style="@style/CppListViewItemTextPrimary.History"
+        style="@style/CppListItemText.Primary"
-        a:layout_width="fill_parent"
+        a:layout_width="match_parent"
-        a:layout_height="fill_parent" />
+        a:layout_height="wrap_content"
+        a:ellipsize="end"
+        a:maxLines="2" />
 
     <TextView
-        a:id="@+id/history_time"
+        a:id="@+id/history_item_comment"
-        style="@style/CppListViewItemTextSecondary"
+        style="@style/CppListItemText.Secondary.OneLine"
-        a:layout_width="fill_parent"
+        a:layout_width="match_parent"
-        a:layout_height="fill_parent" />
+        a:layout_height="wrap_content" />
 
+    <TextView
+        a:id="@+id/history_item_time"
+        style="@style/CppListItemText.Secondary.OneLine"
+        a:layout_width="match_parent"
+        a:layout_height="wrap_content"
+        a:textSize="@dimen/list_item_text_size_small"
+        a:gravity="center_vertical|end"/>
 </LinearLayout>

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

@@ -24,14 +24,14 @@
 
 <LinearLayout
     xmlns:a="http://schemas.android.com/apk/res/android"
-    style="@style/CppListViewItem"
+    style="@style/CppListItem"
     a:layout_width="match_parent"
     a:layout_height="wrap_content"
     a:orientation="vertical">
 
     <TextView
         a:id="@+id/math_entity_text"
-        style="@style/CppListViewItemTextPrimary"
+        style="@style/CppListItemText.Primary"
         a:layout_width="match_parent"
         a:layout_height="wrap_content" />
 

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

@@ -1,47 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-
-<!--
-  ~ Copyright 2013 serso aka se.solovyev
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~    http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  ~
-  ~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-  ~ Contact details
-  ~
-  ~ Email: se.solovyev@gmail.com
-  ~ Site:  http://se.solovyev.org
-  -->
-
-<LinearLayout
-    xmlns:a="http://schemas.android.com/apk/res/android"
-    style="@style/CppListViewItem"
-    a:orientation="vertical">
-
-    <TextView
-        a:id="@+id/history_item"
-        style="@style/CppListViewItemTextPrimary.History"
-        a:layout_width="fill_parent"
-        a:layout_height="fill_parent" />
-
-    <TextView
-        a:id="@+id/history_item_comment"
-        style="@style/CppListViewItemTextSecondary"
-        a:layout_width="fill_parent"
-        a:layout_height="fill_parent" />
-
-    <TextView
-        a:id="@+id/history_time"
-        style="@style/CppListViewItemTextSecondary"
-        a:layout_width="fill_parent"
-        a:layout_height="fill_parent" />
-</LinearLayout>

app/src/main/res/values-ar/text_strings.xml

@@ -104,7 +104,7 @@
     <string name="c_save_history">سجل المحفوظات</string>
     <string name="c_edit_history">سجل التعديلات</string>
     <string name="c_edit">تعديل</string>
-    <string name="c_saved_history">السجل المحفوظ</string>
+    <string name="cpp_history_tab_saved">السجل المحفوظ</string>
     <string name="c_history_already_saved">السجل محفوظ مسبقاً!</string>
     <string name="c_history_must_be_saved">يجب أن يتم حفظ السجل قبل التعديل!</string>
     <string name="c_history_was_removed">تمت إزالة السجل بنجاح!</string>

app/src/main/res/values-cs/text_strings.xml

@@ -103,7 +103,7 @@
     <string name="c_save_history">Uložit historii</string>
     <string name="c_edit_history">Upravit historii</string>
     <string name="c_edit">Upravit</string>
-    <string name="c_saved_history">Uložená historie</string>
+    <string name="cpp_history_tab_saved">Uložená historie</string>
     <string name="c_history_already_saved">Historie již byla uložena!</string>
     <string name="c_history_must_be_saved">Historie musí být uložena před úpravou!</string>
     <string name="c_history_was_removed">Historie byla úspěšně odebrána!</string>

app/src/main/res/values-de/text_strings.xml

@@ -103,7 +103,7 @@
     <string name="c_save_history">Verlauf speichern</string>
     <string name="c_edit_history">Verlauf ändern</string>
     <string name="c_edit">Ändern</string>
-    <string name="c_saved_history">Gespeicherter Verlauf</string>
+    <string name="cpp_history_tab_saved">Gespeicherter Verlauf</string>
     <string name="c_history_already_saved">Verlauf wurde bereits gespeichert!</string>
     <string name="c_history_must_be_saved">Verlauf muss vor der Bearbeitung gespeichert werden!</string>
     <string name="c_history_was_removed">Verlauf wurde erfolgreich gelöscht!</string>

app/src/main/res/values-es/text_strings.xml

@@ -106,7 +106,7 @@
     <string name="c_save_history">Guardar el historial de</string>
     <string name="c_edit_history">Modificar la historia</string>
     <string name="c_edit">modificar</string>
-    <string name="c_saved_history">La historia guardada</string>
+    <string name="cpp_history_tab_saved">La historia guardada</string>
     <string name="c_history_already_saved">La historia se salvó ya!</string>
     <string name="c_history_must_be_saved">La historia debe ser salvado antes de editar!</string>
     <string name="c_history_was_removed">¡El historial se ha eliminado satisfactoriamente!</string>

app/src/main/res/values-fi/text_strings.xml

@@ -103,7 +103,7 @@
     <string name="c_save_history">Tallenna historia</string>
     <string name="c_edit_history">Muokkaa historia</string>
     <string name="c_edit">Mukauta</string>
-    <string name="c_saved_history">Tallenna historia</string>
+    <string name="cpp_history_tab_saved">Tallenna historia</string>
     <string name="c_history_already_saved">Historia on jo tallennettu!</string>
     <string name="c_history_must_be_saved">Historia on tallennettava ennen muokkaamista!</string>
     <string name="c_history_was_removed">Historia on poistettu!</string>

app/src/main/res/values-fr/text_strings.xml

@@ -103,7 +103,7 @@
     <string name="c_save_history">Enregistrer l\'historique</string>
     <string name="c_edit_history">Modifier l\'historique</string>
     <string name="c_edit">Modifier</string>
-    <string name="c_saved_history">Historique enregistré</string>
+    <string name="cpp_history_tab_saved">Historique enregistré</string>
     <string name="c_history_already_saved">L\'historique est déjà enregistré !</string>
     <string name="c_history_must_be_saved">L\'historique doit être enregistré avant modification !</string>
     <string name="c_history_was_removed">L\'historique a été supprimé avec succès !</string>

app/src/main/res/values-it/text_strings.xml

@@ -110,7 +110,7 @@
     <string name="c_save_history">Salva storia</string>
     <string name="c_edit_history">Modificare la storia</string>
     <string name="c_edit">Modificare</string>
-    <string name="c_saved_history">Storia salvati</string>
+    <string name="cpp_history_tab_saved">Storia salvati</string>
     <string name="c_history_already_saved">La storia era già salvato!</string>
     <string name="c_history_must_be_saved">La storia deve essere salvato prima di modificare!</string>
     <string name="c_history_was_removed">La cronologia è stata rimossa con successo!</string>

app/src/main/res/values-ja/text_strings.xml

@@ -106,7 +106,7 @@
     <string name="c_save_history">履歴を保存</string>
     <string name="c_edit_history">履歴を編集</string>
     <string name="c_edit">編集</string>
-    <string name="c_saved_history">保存された履歴</string>
+    <string name="cpp_history_tab_saved">保存された履歴</string>
     <string name="c_history_already_saved">履歴はすでに保存されています!</string>
     <string name="c_history_must_be_saved">履歴を編集する前に保存してください!</string>
     <string name="c_history_was_removed">履歴は正常に削除されました!</string>

app/src/main/res/values-nl/text_strings.xml

@@ -103,7 +103,7 @@
     <string name="c_save_history">Geschiedenis opslaan</string>
     <string name="c_edit_history">Geschiedenis wijzigen</string>
     <string name="c_edit">Wijzigen</string>
-    <string name="c_saved_history">Opgeslagen geschiedenis</string>
+    <string name="cpp_history_tab_saved">Opgeslagen geschiedenis</string>
     <string name="c_history_already_saved">Geschiedenis was al opgeslaan!</string>
     <string name="c_history_must_be_saved">Geschiedenis moet eerst worden opgeslagen om te bewerken!</string>
     <string name="c_history_was_removed">Geschiedenis is succesvol verwijderd!</string>

app/src/main/res/values-pl/text_strings.xml

@@ -103,7 +103,7 @@
     <string name="c_save_history">Zapisz historię</string>
     <string name="c_edit_history">Modyfikuj historię</string>
     <string name="c_edit">Modyfikuj</string>
-    <string name="c_saved_history">Zapisana historia</string>
+    <string name="cpp_history_tab_saved">Zapisana historia</string>
     <string name="c_history_already_saved">Historia została już zachowana!</string>
     <string name="c_history_must_be_saved">Historia musi być zapisana przed edycją!</string>
     <string name="c_history_was_removed">Historia została pomyślnie usunięta!</string>

app/src/main/res/values-pt-rbr/text_strings.xml

@@ -103,7 +103,7 @@
     <string name="c_save_history">Salvar histórico</string>
     <string name="c_edit_history">Modificar histórico</string>
     <string name="c_edit">Modificar</string>
-    <string name="c_saved_history">Salvar no histórico</string>
+    <string name="cpp_history_tab_saved">Salvar no histórico</string>
     <string name="c_history_already_saved">O histórico já foi salvo!</string>
     <string name="c_history_must_be_saved">O histórico deve ser salvo antes de ser editado!</string>
     <string name="c_history_was_removed">O histórico foi removido com sucesso!</string>

app/src/main/res/values-pt-rpt/text_strings.xml

@@ -103,7 +103,7 @@
     <string name="c_save_history">Guardar histórico</string>
     <string name="c_edit_history">Modificar histórico</string>
     <string name="c_edit">Modificar</string>
-    <string name="c_saved_history">Histórico guardado</string>
+    <string name="cpp_history_tab_saved">Histórico guardado</string>
     <string name="c_history_already_saved">O histórico já foi guardado!</string>
     <string name="c_history_must_be_saved">O histórico deve ser guardado antes de ser alterado!</string>
     <string name="c_history_was_removed">O histórico foi removido com sucesso!</string>

app/src/main/res/values-ru/text_strings.xml

@@ -117,7 +117,7 @@
     <string name="c_save_history">Сохранить</string>
     <string name="c_edit_history">Изменить</string>
     <string name="c_edit">Изменить</string>
-    <string name="c_saved_history">Сохранённая история</string>
+    <string name="cpp_history_tab_saved">Сохранённая история</string>
     <string name="c_history_already_saved">История уже была сохранена!</string>
     <string name="c_history_must_be_saved">История должна быть сохранена перед редактированием!</string>
     <string name="c_history_was_removed">История успешно удалена!</string>

app/src/main/res/values-tr/text_strings.xml

@@ -103,7 +103,7 @@
     <string name="c_save_history">Geçmişi kaydet</string>
     <string name="c_edit_history">Geçmişi düzenle</string>
     <string name="c_edit">Düzenle</string>
-    <string name="c_saved_history">Kayıtlı geçmiş</string>
+    <string name="cpp_history_tab_saved">Kayıtlı geçmiş</string>
     <string name="c_history_already_saved">Geçmiş zaten kaydedildi!</string>
     <string name="c_history_must_be_saved">Geçmiş düzenlenmeden önce kaydedilmelidir!</string>
     <string name="c_history_was_removed">Geçmiş başarıyla silindi!</string>

app/src/main/res/values-uk/text_strings.xml

@@ -108,7 +108,7 @@
     <string name="c_save_history">Зберегти історію</string>
     <string name="c_edit_history">Змінити історію</string>
     <string name="c_edit">Змінити</string>
-    <string name="c_saved_history">Збережена історія</string>
+    <string name="cpp_history_tab_saved">Збережена історія</string>
     <string name="c_history_already_saved">Історія вже збережена!</string>
     <string name="c_history_must_be_saved">Історію необхідно зберегти перед редагуванням!</string>
     <string name="c_history_was_removed">Історія успішно видалена!</string>

app/src/main/res/values-vi/text_strings.xml

@@ -103,7 +103,7 @@
     <string name="c_save_history">Lưu lịch sử</string>
     <string name="c_edit_history">Sửa đổi lịch sử</string>
     <string name="c_edit">Điều chỉnh</string>
-    <string name="c_saved_history">Lịch sử đã lưu</string>
+    <string name="cpp_history_tab_saved">Lịch sử đã lưu</string>
     <string name="c_history_already_saved">Lịch sử đã được lưu!</string>
     <string name="c_history_must_be_saved">Lịch sử phải được lưu trước khi chỉnh sửa!</string>
     <string name="c_history_was_removed">Lịch sử đã được loại bỏ thành công!</string>

app/src/main/res/values-zh-rcn/text_strings.xml

@@ -104,7 +104,7 @@
     <string name="c_save_history">保存历史记录</string>
     <string name="c_edit_history">修改历史记录</string>
     <string name="c_edit">修改</string>
-    <string name="c_saved_history">已保存历史记录</string>
+    <string name="cpp_history_tab_saved">已保存历史记录</string>
     <string name="c_history_already_saved">记录已保存!</string>
     <string name="c_history_must_be_saved">编辑之前必须先保存!</string>
     <string name="c_history_was_removed">已成功删除历史记录！</string>

app/src/main/res/values-zh-rtw/text_strings.xml

@@ -103,7 +103,7 @@
     <string name="c_save_history">儲存歷史紀錄</string>
     <string name="c_edit_history">修改歷史紀錄</string>
     <string name="c_edit">修改</string>
-    <string name="c_saved_history">已儲存的歷史紀錄</string>
+    <string name="cpp_history_tab_saved">已儲存的歷史紀錄</string>
     <string name="c_history_already_saved">歷史紀錄已經儲存！</string>
     <string name="c_history_must_be_saved">編輯歷史紀錄之前必須先儲存！</string>
     <string name="c_history_was_removed">成功刪除歷史紀錄！</string>

app/src/main/res/values/colors.xml

@@ -29,14 +29,14 @@
     <color name="cpp_button_text">#ffffffff</color>
     <color name="cpp_button_text_operator">#ffffff99</color>
     <color name="cpp_selected_angle_unit_text">#ffffff99</color>
-    <color name="cpp_main_bg">#101010</color>
+    <color name="cpp_main_bg">@color/grey_950</color>
     <color name="cpp_main_bg_light">#fff6f1ef</color>
     <color name="cpp_wizard_button_normal">#424242</color>
     <color name="cpp_wizard_button_disabled">#616161</color>
     <color name="cpp_wizard_button_pressed">#757575</color>
     <color name="cpp_metro_button_dark">#ff000000</color>
-    <color name="cpp_metro_button">@color/cpp_material_grey</color>
+    <color name="cpp_metro_button">@color/grey_900</color>
-    <color name="cpp_metro_button_light">@color/cpp_material_grey_light</color>
+    <color name="cpp_metro_button_light">@color/grey_800</color>
     <color name="cpp_metro_blue">#10648c</color>
     <color name="cpp_material_blue">#ff0d4663</color>
     <color name="cpp_material_blue_lighter">#ff0d668d</color>
@@ -53,12 +53,15 @@
     <color name="cpp_wizard_disabled_text">#66ffffff</color>
 
     <color name="cpp_material_accent">#FAFAFA</color>
-    <color name="cpp_material_grey">#212121</color>
+    <color name="cpp_material_actionbar">@color/grey_900</color>
-    <color name="cpp_material_grey_light">#393939</color>
+    <color name="cpp_material_actionbar_light">@color/grey_800</color>
-    <color name="cpp_material_actionbar">@color/cpp_material_grey</color>
-    <color name="cpp_material_actionbar_light">@color/cpp_material_grey_light</color>
 
-    <color name="cpp_pane_bg">@color/cpp_material_grey</color>
+    <color name="cpp_pane_bg">@color/grey_900</color>
     <color name="cpp_pane_bg_light">#ffeae5e3</color>
+    <color name="grey_900">#212121</color>
+    <color name="grey_950">#101010</color>
+    <color name="grey_600">#757575</color>
+    <color name="grey_800">#424242</color>
+    <color name="blue_grey_800">#37474F</color>
 
 </resources>

app/src/main/res/values/styles.xml

@@ -253,15 +253,23 @@
         <item name="android:layout_gravity">center_horizontal</item>
     </style>
 
-    <style name="CppListViewItem">
+    <style name="CppListItem.OneLine" parent="CppListItem">
+        <item name="android:minHeight">48dp</item>
+    </style>
+
+    <style name="CppListItem.TwoLines" parent="CppListItem">
+        <item name="android:minHeight">72dp</item>
+    </style>
+
+    <style name="CppListItem">
         <item name="android:paddingLeft">16dp</item>
         <item name="android:paddingRight">16dp</item>
-        <item name="android:paddingBottom">20dp</item>
+        <item name="android:paddingBottom">8dp</item>
-        <item name="android:paddingTop">20dp</item>
+        <item name="android:paddingTop">8dp</item>
         <item name="android:layout_height">wrap_content</item>
         <item name="android:layout_width">match_parent</item>
-        <item name="android:minHeight">72dp</item>
         <item name="android:gravity">center_vertical|left</item>
+        <item name="android:background">?android:attr/selectableItemBackground</item>
     </style>
 
     <style name="CppFab">
@@ -274,10 +282,23 @@
         <item name="fab_colorRipple">?attr/colorControlHighlight</item>
     </style>
 
-    <style name="CppListViewItemTextPrimary">
+    <style name="CppListItemText">
-        <item name="android:textAppearance">@style/TextAppearance.AppCompat</item>
+        <item name="android:textSize">@dimen/list_item_text_size</item>
+    </style>
+
+    <style name="CppListItemText.Primary" parent="CppListItemText">
         <item name="android:textColor">?android:attr/textColorPrimary</item>
-        <item name="android:textSize">@dimen/cpp_li_text_size</item>
+    </style>
+
+    <style name="CppListItemText.Secondary" parent="CppListItemText">
+        <item name="android:textColor">?android:attr/textColorSecondary</item>
+    </style>
+
+    <style name="CppListItemText.Secondary.OneLine" parent="CppListItemText.Secondary">
+        <item name="android:singleLine">true</item>
+        <item name="android:minLines">1</item>
+        <item name="android:maxLines">1</item>
+        <item name="android:ellipsize">end</item>
     </style>
 
     <style name="CppListViewItemTextSecondary">
@@ -286,7 +307,7 @@
         <item name="android:textSize">@dimen/cpp_li_secondary_text_size</item>
     </style>
 
-    <style name="CppListViewItemTextPrimary.History" parent="CppListViewItemTextPrimary">
+    <style name="CppListViewItemTextPrimary.History" parent="CppListItemText.Primary">
         <item name="android:maxLines">2</item>
         <item name="android:ellipsize">end</item>
     </style>
@@ -321,4 +342,6 @@
         <item name="android:backgroundSplit">@color/cpp_material_actionbar_light</item>
     </style>
 
+    <dimen name="list_item_text_size">16sp</dimen>
+    <dimen name="list_item_text_size_small">14sp</dimen>
 </resources>

app/src/main/res/values/text_strings.xml

@@ -103,7 +103,8 @@
     <string name="c_save_history">Save history</string>
     <string name="c_edit_history">Modify history</string>
     <string name="c_edit">Modify</string>
-    <string name="c_saved_history">Saved history</string>
+    <string name="cpp_history_tab_saved">Saved</string>
+    <string name="cpp_history_tab_recent">Recent</string>
     <string name="c_history_already_saved">History was already saved!</string>
     <string name="c_history_must_be_saved">History must be saved before editing!</string>
     <string name="c_history_was_removed">History has been successfully removed!</string>

app/src/main/res/values/theme.xml

@@ -33,9 +33,11 @@
 
         <item name="cpp_main_bg">@color/cpp_main_bg</item>
         <item name="cpp_pane_bg">@drawable/pane</item>
-        <item name="cpp_fab_bg">@color/cpp_material_grey</item>
+        <item name="cpp_fab_bg">@color/grey_900</item>
         <item name="cpp_text_color">@color/cpp_text</item>
         <item name="cpp_text_color_error">@color/cpp_text_error</item>
+
+        <item name="android:listDivider">@drawable/divider</item>
     </style>
 
     <style name="Cpp.Theme.Dialog" parent="@style/Theme.AppCompat.Dialog">
@@ -50,9 +52,11 @@
 
         <item name="cpp_main_bg">@color/cpp_main_bg</item>
         <item name="cpp_pane_bg">@drawable/pane</item>
-        <item name="cpp_fab_bg">@color/cpp_material_grey</item>
+        <item name="cpp_fab_bg">@color/grey_900</item>
         <item name="cpp_text_color">@color/cpp_text</item>
         <item name="cpp_text_color_error">@color/cpp_text_error</item>
+
+        <item name="android:listDivider">@drawable/divider</item>
     </style>
 
     <style name="Cpp.Theme.Dialog.Alert" parent="@style/Theme.AppCompat.Dialog.Alert">
@@ -62,9 +66,11 @@
 
         <item name="cpp_main_bg">@color/cpp_main_bg</item>
         <item name="cpp_pane_bg">@drawable/pane</item>
-        <item name="cpp_fab_bg">@color/cpp_material_grey</item>
+        <item name="cpp_fab_bg">@color/grey_900</item>
         <item name="cpp_text_color">@color/cpp_text</item>
         <item name="cpp_text_color_error">@color/cpp_text_error</item>
+
+        <item name="android:listDivider">@drawable/divider</item>
     </style>
 
     <style name="Cpp.Theme.Light" parent="@style/Theme.AppCompat.Light.DarkActionBar">
@@ -81,6 +87,8 @@
         <item name="cpp_fab_bg">@color/cpp_material_light</item>
         <item name="cpp_text_color">@color/cpp_text_inverse</item>
         <item name="cpp_text_color_error">@color/cpp_text_inverse_error</item>
+
+        <item name="android:listDivider">@drawable/divider</item>
     </style>
 
     <style name="Cpp.Theme.Light.Dialog" parent="@style/Theme.AppCompat.Light.Dialog">
@@ -98,6 +106,8 @@
         <item name="cpp_fab_bg">@color/cpp_material_light</item>
         <item name="cpp_text_color">@color/cpp_text_inverse</item>
         <item name="cpp_text_color_error">@color/cpp_text_inverse_error</item>
+
+        <item name="android:listDivider">@drawable/divider</item>
     </style>
 
     <style name="Cpp.Theme.Light.Dialog.Alert" parent="@style/Theme.AppCompat.Light.Dialog.Alert">
@@ -110,6 +120,8 @@
         <item name="cpp_fab_bg">@color/cpp_material_light</item>
         <item name="cpp_text_color">@color/cpp_text_inverse</item>
         <item name="cpp_text_color_error">@color/cpp_text_inverse_error</item>
+
+        <item name="android:listDivider">@drawable/divider</item>
     </style>
 
     <style name="Cpp.Theme.Wizard" parent="Cpp.Theme.Material">