increased number of saved tracks to 25, keep track of button states, added some more accessibility element descriptions (#2)

app/build.gradle

@@ -23,9 +23,9 @@ android {
 dependencies {
     compile fileTree(include: ['*.jar'], dir: 'libs')
     testCompile 'junit:junit:4.12'
-    compile 'com.android.support:appcompat-v7:25.0.1'
+    compile 'com.android.support:appcompat-v7:25.1.0'
-    compile 'com.android.support:design:25.0.1'
+    compile 'com.android.support:design:25.1.0'
-    compile 'com.android.support:cardview-v7:25.0.1'
+    compile 'com.android.support:cardview-v7:25.1.0'
     compile 'org.osmdroid:osmdroid-android:5.5:release@aar'
     compile 'com.google.code.gson:gson:2.8.0'
 }

app/src/main/java/org/y20k/trackbook/MainActivity.java

@@ -69,6 +69,7 @@ public class MainActivity extends AppCompatActivity implements TrackbookKeys {
 
 
     /* Main class variables */
+    private ViewPager mViewPager;
     private boolean mTrackerServiceRunning;
     private boolean mCurrentTrackVisible;
     private boolean mPermissionsGranted;
@@ -81,6 +82,7 @@ public class MainActivity extends AppCompatActivity implements TrackbookKeys {
     private MainActivityMapFragment mMainActivityMapFragment;
     private MainActivityTrackFragment mMainActivityTrackFragment;
     private BroadcastReceiver mTrackingStoppedReceiver;
+    private int mFloatingActionButtonState;
     private int mSelectedTab;
 
 
@@ -183,12 +185,17 @@ public class MainActivity extends AppCompatActivity implements TrackbookKeys {
     @Override
     protected void onResume() {
         super.onResume();
+        LogHelper.v(LOG_TAG, "onResume called.");
+
+        // TODO loadAppState?
+        loadAppState(this);
 
         // handle new intents - onNewIntent does not seem to work
         handleIncomingIntent();
 
         // if not in onboarding mode: set state of FloatingActionButton
         if (mFloatingActionButton != null) {
+            LogHelper.v(LOG_TAG, "onResume: setting state of FAB.");
             setFloatingActionButtonState();
         }
     }
@@ -241,21 +248,22 @@ public class MainActivity extends AppCompatActivity implements TrackbookKeys {
     protected void onSaveInstanceState(Bundle outState) {
         LogHelper.v(LOG_TAG, "onSaveInstanceState called.");
         outState.putBoolean(INSTANCE_TRACKING_STATE, mTrackerServiceRunning);
-        outState.putBoolean(INSTANCE_TRACK_VISIBLE, mCurrentTrackVisible);
-        outState.putBoolean(INSTANCE_FAB_SUB_MENU_VISIBLE, mFloatingActionButtonSubMenuVisible);
         outState.putInt(INSTANCE_SELECTED_TAB, mSelectedTab);
+        outState.putInt(INSTANCE_FAB_STATE, mFloatingActionButtonState);
+        outState.putBoolean(INSTANCE_FAB_SUB_MENU_VISIBLE, mFloatingActionButtonSubMenuVisible);
         super.onSaveInstanceState(outState);
     }
 
 
+
     @Override
     public void onRestoreInstanceState(Bundle savedInstanceState) {
         super.onRestoreInstanceState(savedInstanceState);
         LogHelper.v(LOG_TAG, "onRestoreInstanceState called.");
         mTrackerServiceRunning = savedInstanceState.getBoolean(INSTANCE_TRACKING_STATE, false);
-        mCurrentTrackVisible = savedInstanceState.getBoolean(INSTANCE_TRACK_VISIBLE, false);
-        mFloatingActionButtonSubMenuVisible = savedInstanceState.getBoolean(INSTANCE_FAB_SUB_MENU_VISIBLE, false);
         mSelectedTab = savedInstanceState.getInt(INSTANCE_SELECTED_TAB, 0);
+        mFloatingActionButtonState = savedInstanceState.getInt(INSTANCE_FAB_STATE, FAB_STATE_DEFAULT);
+        mFloatingActionButtonSubMenuVisible = savedInstanceState.getBoolean(INSTANCE_FAB_SUB_MENU_VISIBLE, false);
     }
 
 
@@ -263,10 +271,12 @@ public class MainActivity extends AppCompatActivity implements TrackbookKeys {
     private void saveAppState(Context context) {
         SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(context);
         SharedPreferences.Editor editor = settings.edit();
-        editor.putBoolean(INSTANCE_TRACKING_STATE, mTrackerServiceRunning);
+        // mCurrentTrackVisible is handled (= saved) by fragment
-        editor.putBoolean(INSTANCE_TRACK_VISIBLE, mCurrentTrackVisible);
+
-        editor.putBoolean(INSTANCE_FAB_SUB_MENU_VISIBLE, mFloatingActionButtonSubMenuVisible);
+//        editor.putBoolean(INSTANCE_FAB_SUB_MENU_VISIBLE, mFloatingActionButtonSubMenuVisible);
-        editor.putInt(INSTANCE_SELECTED_TAB, mSelectedTab);
+//        editor.putBoolean(INSTANCE_TRACKING_STATE, mTrackerServiceRunning);
+//        editor.putInt(INSTANCE_SELECTED_TAB, mSelectedTab);
+
         editor.apply();
         LogHelper.v(LOG_TAG, "Saving state.");
     }
@@ -275,10 +285,12 @@ public class MainActivity extends AppCompatActivity implements TrackbookKeys {
     /* Loads app state from preferences */
     private void loadAppState(Context context) {
         SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(context);
-        mTrackerServiceRunning = settings.getBoolean(INSTANCE_TRACKING_STATE, false);
         mCurrentTrackVisible = settings.getBoolean(INSTANCE_TRACK_VISIBLE, false);
-        mFloatingActionButtonSubMenuVisible = settings.getBoolean(INSTANCE_FAB_SUB_MENU_VISIBLE, false);
+
-        mSelectedTab = settings.getInt(INSTANCE_SELECTED_TAB, 0);
+//        mFloatingActionButtonSubMenuVisible = settings.getBoolean(INSTANCE_FAB_SUB_MENU_VISIBLE, false);
+//        mTrackerServiceRunning = settings.getBoolean(INSTANCE_TRACKING_STATE, false);
+//        mSelectedTab = settings.getInt(INSTANCE_SELECTED_TAB, 0);
+
         LogHelper.v(LOG_TAG, "Loading state.");
     }
 
@@ -297,7 +309,7 @@ public class MainActivity extends AppCompatActivity implements TrackbookKeys {
             SectionsPagerAdapter sectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());
 
             // Set up the ViewPager with the sections adapter.
-            ViewPager mViewPager = (ViewPager) findViewById(R.id.container);
+            mViewPager = (ViewPager) findViewById(R.id.container);
             mViewPager.setAdapter(sectionsPagerAdapter);
             mViewPager.setCurrentItem(mSelectedTab);
 
@@ -308,12 +320,16 @@ public class MainActivity extends AppCompatActivity implements TrackbookKeys {
                 public void onTabSelected(TabLayout.Tab tab) {
                     switch (tab.getPosition()) {
                         case FRAGMENT_ID_MAP:
+                            // show the Floating Action Button
                             mFloatingActionButton.show();
                             break;
                         case FRAGMENT_ID_TRACK:
+                            // hide the Floating Action Button - and its sub menu
                             mFloatingActionButton.hide();
+                            showFloatingActionButtonMenu(false);
                             break;
                         default:
+                            // show the Floating Action Button
                             mFloatingActionButton.show();
                             break;
                     }
@@ -375,50 +391,59 @@ public class MainActivity extends AppCompatActivity implements TrackbookKeys {
 
     /* Handles tap on the record button */
     private void handleFloatingActionButtonClick(View view) {
-        if (mTrackerServiceRunning) {
-            // show snackbar
-            Snackbar.make(view, R.string.snackbar_message_tracking_stopped, Snackbar.LENGTH_SHORT).setAction("Action", null).show();
 
-            // change state
+        switch (mFloatingActionButtonState) {
-            // --> is handled by broadcast receiver
+            case FAB_STATE_DEFAULT:
+                // show snackbar
+                Snackbar.make(view, R.string.snackbar_message_tracking_started, Snackbar.LENGTH_SHORT).setAction("Action", null).show();
 
-            // stop tracker service
+                // change state
-            Intent intent = new Intent(this, TrackerService.class);
+                mTrackerServiceRunning = true;
-            intent.setAction(ACTION_STOP);
+                mCurrentTrackVisible = true;
-            startService(intent);
+                mFloatingActionButtonState = FAB_STATE_RECORDING;
-
-        } else if (mCurrentTrackVisible) {
-            // toggle floating action button sub menu
-            if (!mFloatingActionButtonSubMenuVisible) {
-                showFloatingActionButtonMenu(true);
-            } else {
-                showFloatingActionButtonMenu(false);
-            }
-
-        } else {
-            // show snackbar
-            Snackbar.make(view, R.string.snackbar_message_tracking_started, Snackbar.LENGTH_SHORT).setAction("Action", null).show();
-
-            // change state
-            mTrackerServiceRunning = true;
-            mCurrentTrackVisible = true;
-            setFloatingActionButtonState();
-
-            // get last location from MainActivity Fragment
-            Location lastLocation = mMainActivityMapFragment.getCurrentBestLocation();
-
-            if (lastLocation != null) {
-                // start tracker service
-                Intent intent = new Intent(this, TrackerService.class);
-                intent.setAction(ACTION_START);
-                intent.putExtra(EXTRA_LAST_LOCATION, lastLocation);
-                startService(intent);
-            } else {
-                Toast.makeText(this, getString(R.string.toast_message_location_services_not_ready), Toast.LENGTH_LONG).show();
-                // change state back
-                mTrackerServiceRunning = false;
                 setFloatingActionButtonState();
-            }
+
+                // get last location from MainActivity Fragment
+                Location lastLocation = mMainActivityMapFragment.getCurrentBestLocation();
+
+                if (lastLocation != null) {
+                    // start tracker service
+                    Intent intent = new Intent(this, TrackerService.class);
+                    intent.setAction(ACTION_START);
+                    intent.putExtra(EXTRA_LAST_LOCATION, lastLocation);
+                    startService(intent);
+                } else {
+                    Toast.makeText(this, getString(R.string.toast_message_location_services_not_ready), Toast.LENGTH_LONG).show();
+                    // change state back
+                    mTrackerServiceRunning = false;
+                    setFloatingActionButtonState();
+                }
+
+                break;
+
+            case FAB_STATE_RECORDING:
+                // show snackbar
+                Snackbar.make(view, R.string.snackbar_message_tracking_stopped, Snackbar.LENGTH_SHORT).setAction("Action", null).show();
+
+                // change state
+                // --> is handled by broadcast receiver
+
+                // stop tracker service
+                Intent intent = new Intent(this, TrackerService.class);
+                intent.setAction(ACTION_STOP);
+                startService(intent);
+
+                break;
+
+            case FAB_STATE_SAVE:
+                // toggle floating action button sub menu
+                if (!mFloatingActionButtonSubMenuVisible) {
+                    showFloatingActionButtonMenu(true);
+                } else {
+                    showFloatingActionButtonMenu(false);
+                }
+
+                break;
 
         }
 
@@ -432,13 +457,15 @@ public class MainActivity extends AppCompatActivity implements TrackbookKeys {
         LogHelper.v(LOG_TAG, "User chose SAVE and CLEAR");
 
         // clear map and save track
-        mMainActivityMapFragment.clearMap(true); // TODO change to true
+        mMainActivityMapFragment.clearMap(true);
         mCurrentTrackVisible = false;
 
-//        // reset current track // TODO ist this still necessary
+//        // reset current track // TODO is this still necessary?
 //        mMainActivityTrackFragment.refreshTrackView();
 
-        // TODO change to track tab
+        // display track tab
+        mSelectedTab = FRAGMENT_ID_TRACK;
+        mViewPager.setCurrentItem(mSelectedTab);
 
         // dismiss notification
         NotificationHelper.stop();
@@ -447,7 +474,10 @@ public class MainActivity extends AppCompatActivity implements TrackbookKeys {
         showFloatingActionButtonMenu(false);
 
         // update Floating Action Button icon
+        mFloatingActionButtonState = FAB_STATE_DEFAULT;
         setFloatingActionButtonState();
+
+        Toast.makeText(this, getString(R.string.toast_message_track_save), Toast.LENGTH_LONG).show();
     }
 
 
@@ -466,18 +496,29 @@ public class MainActivity extends AppCompatActivity implements TrackbookKeys {
         showFloatingActionButtonMenu(false);
 
         // update Floating Action Button icon
+        mFloatingActionButtonState = FAB_STATE_DEFAULT;
         setFloatingActionButtonState();
+
+        Toast.makeText(this, getString(R.string.toast_message_track_clear), Toast.LENGTH_LONG).show();
     }
 
 
     /* Set state of FloatingActionButton */
     private void setFloatingActionButtonState() {
-        if (mTrackerServiceRunning) {
+
-            mFloatingActionButton.setImageResource(R.drawable.ic_fiber_manual_record_red_24dp);
+        switch (mFloatingActionButtonState) {
-        } else if (mCurrentTrackVisible) {
+            case FAB_STATE_DEFAULT:
-            mFloatingActionButton.setImageResource(R.drawable.ic_save_white_24dp);
+                mFloatingActionButton.setImageResource(R.drawable.ic_fiber_manual_record_white_24dp);
-        } else {
+                break;
-            mFloatingActionButton.setImageResource(R.drawable.ic_fiber_manual_record_white_24dp);
+            case FAB_STATE_RECORDING:
+                mFloatingActionButton.setImageResource(R.drawable.ic_fiber_manual_record_red_24dp);
+                break;
+            case FAB_STATE_SAVE:
+                mFloatingActionButton.setImageResource(R.drawable.ic_save_white_24dp);
+                break;
+            default:
+                mFloatingActionButton.setImageResource(R.drawable.ic_fiber_manual_record_white_24dp);
+                break;
         }
     }
 
@@ -501,12 +542,14 @@ public class MainActivity extends AppCompatActivity implements TrackbookKeys {
     private void handleIncomingIntent() {
         Intent intent = getIntent();
         String intentAction = intent.getAction();
-
         switch (intentAction) {
             case ACTION_SHOW_MAP:
-                if (intent.hasExtra(EXTRA_TRACKING_STATE) && mMainActivityMapFragment != null) {
+                if (intent.hasExtra(EXTRA_TRACKING_STATE)) {
                     mTrackerServiceRunning = intent.getBooleanExtra(EXTRA_TRACKING_STATE, false);
-                    mMainActivityMapFragment.setTrackingState(mTrackerServiceRunning);
+                    // mMainActivityMapFragment.setTrackingState(mTrackerServiceRunning);
+                    if (mTrackerServiceRunning) {
+                        mFloatingActionButtonState = FAB_STATE_RECORDING;
+                    }
                     // prevent multiple reactions to intent
                     intent.setAction(ACTION_DEFAULT);
                 }
@@ -547,6 +590,7 @@ public class MainActivity extends AppCompatActivity implements TrackbookKeys {
             public void onReceive(Context context, Intent intent) {
                 // change state
                 mTrackerServiceRunning = false;
+                mFloatingActionButtonState = FAB_STATE_SAVE;
                 setFloatingActionButtonState();
 
                 // pass tracking state to MainActivityMapFragment

app/src/main/java/org/y20k/trackbook/MainActivityMapFragment.java

@@ -102,15 +102,11 @@ public class MainActivityMapFragment extends Fragment implements TrackbookKeys {
         // action bar has options menu
         setHasOptionsMenu(true);
 
-        // restore first start state
+        // restore first start state and tracking state
         mFirstStart = true;
-        if (savedInstanceState != null) {
-            mFirstStart = savedInstanceState.getBoolean(INSTANCE_FIRST_START, true);
-        }
-
-        // restore tracking and map state
         mTrackerServiceRunning = false;
         if (savedInstanceState != null) {
+            mFirstStart = savedInstanceState.getBoolean(INSTANCE_FIRST_START, true);
             mTrackerServiceRunning = savedInstanceState.getBoolean(INSTANCE_TRACKING_STATE, false);
         }
 
@@ -140,9 +136,6 @@ public class MainActivityMapFragment extends Fragment implements TrackbookKeys {
             mCurrentBestLocation.setLongitude(DEFAULT_LONGITUDE);
         }
 
-        LogHelper.v(LOG_TAG, "!!! TRACK:" + mCurrentBestLocation.getExtras());
-
-
         // get state of location system setting
         mLocationSystemSetting = LocationHelper.checkLocationSystemSetting(mActivity);
 
@@ -222,6 +215,9 @@ public class MainActivityMapFragment extends Fragment implements TrackbookKeys {
         // set visibility
         mFragmentVisible = true;
 
+        // TODO
+        handleIncomingIntent();
+
         // center map on current position - if TrackerService is running
         if (mTrackerServiceRunning) {
             mController.setCenter(convertToGeoPoint(mCurrentBestLocation));
@@ -257,6 +253,9 @@ public class MainActivityMapFragment extends Fragment implements TrackbookKeys {
 
         // disable content observer for changes in System Settings
         mActivity.getContentResolver().unregisterContentObserver(mSettingsContentObserver);
+
+        // save state of track visibility
+        saveTrackVisibilityState(mActivity);
     }
 
 
@@ -344,8 +343,8 @@ public class MainActivityMapFragment extends Fragment implements TrackbookKeys {
     @Override
     public void onSaveInstanceState(Bundle outState) {
         outState.putBoolean(INSTANCE_FIRST_START, mFirstStart);
-        outState.putParcelable(INSTANCE_CURRENT_LOCATION, mCurrentBestLocation);
         outState.putBoolean(INSTANCE_TRACKING_STATE, mTrackerServiceRunning);
+        outState.putParcelable(INSTANCE_CURRENT_LOCATION, mCurrentBestLocation);
         outState.putDouble(INSTANCE_LATITUDE_MAIN_MAP, mMapView.getMapCenter().getLatitude());
         outState.putDouble(INSTANCE_LONGITUDE_MAIN_MAP, mMapView.getMapCenter().getLongitude());
         outState.putInt(INSTANCE_ZOOM_LEVEL_MAIN_MAP, mMapView.getZoomLevel());
@@ -393,21 +392,28 @@ public class MainActivityMapFragment extends Fragment implements TrackbookKeys {
         // clear map
         if (mTrackOverlay != null) {
             mMapView.getOverlays().remove(mTrackOverlay);
+            mTrackOverlay = null;
         }
 
-        // save track object if requested
         if (saveTrack) {
+            // save track object if requested
             SaveTrackAsyncHelper saveTrackAsyncHelper = new SaveTrackAsyncHelper();
             saveTrackAsyncHelper.execute();
             Toast.makeText(mActivity, mActivity.getString(R.string.toast_message_save_track), Toast.LENGTH_LONG).show();
+        } else {
+            // clear track object
+            mTrack = null;
         }
 
+        // save track state
+        saveTrackVisibilityState(mActivity);
     }
 
 
-    /* Getter for length of current track */
+    /* Handles new incoming intents */
-    public String getCurrentTrackLength() {
+    private void handleIncomingIntent() {
-        return mTrack.getTrackDistance();
+        Intent intent = mActivity.getIntent();
+        // TODO get track from intent if not present
     }
 
 
@@ -544,20 +550,30 @@ public class MainActivityMapFragment extends Fragment implements TrackbookKeys {
     }
 
 
-    /* Saves state of map */
+    /* Saves state of track visibility to SharedPreferences */
-    private void saveMaoState(Context context) {
+    private void saveTrackVisibilityState(Context context) {
         SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(context);
         SharedPreferences.Editor editor = settings.edit();
-        editor.putInt(PREFS_ZOOM_LEVEL, mMapView.getZoomLevel());
+        editor.putBoolean(INSTANCE_TRACK_VISIBLE, (mTrackOverlay != null));
         editor.apply();
+        LogHelper.v(LOG_TAG, "Saving state: track visibility = " + (mTrackOverlay != null));
     }
 
 
-    /* Loads app state from preferences */
+//    /* Saves state of map */
-    private void loadMapState(Context context) {
+//    private void saveMaoState(Context context) {
-        SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(context);
+//        SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(context);
-        int zoom = settings.getInt(PREFS_ZOOM_LEVEL, 16);
+//        SharedPreferences.Editor editor = settings.edit();
-    }
+//        editor.putInt(PREFS_ZOOM_LEVEL, mMapView.getZoomLevel());
+//        editor.apply();
+//    }
+
+
+//    /* Loads app state from preferences */
+//    private void loadMapState(Context context) {
+//        SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(context);
+//        int zoom = settings.getInt(PREFS_ZOOM_LEVEL, 16);
+//    }
 
 
     /**

app/src/main/java/org/y20k/trackbook/helpers/NotificationHelper.java

@@ -94,6 +94,7 @@ public class NotificationHelper implements TrackbookKeys {
         String contentText = mService.getString(R.string.notification_content_distance) + ": " + track.getTrackDistance() + " | " +
                 mService.getString(R.string.notification_content_duration) + " : " +  track.getTrackDuration();
 
+
         // ACTION: NOTIFICATION TAP
         Intent tapActionIntent = new Intent(mService, MainActivity.class);
         tapActionIntent.setAction(ACTION_SHOW_MAP);
@@ -106,14 +107,6 @@ public class NotificationHelper implements TrackbookKeys {
         // pending intent wrapper for notification tap
         PendingIntent tapActionPendingIntent = tapActionIntentBuilder.getPendingIntent(10, PendingIntent.FLAG_UPDATE_CURRENT);
 
-        // ACTION: NOTIFICATION SWIPE
-        Intent swipeActionIntent = new Intent(mService, MainActivity.class);
-        swipeActionIntent.setAction(ACTION_SHOW_MAP);
-        swipeActionIntent.putExtra(EXTRA_CLEAR_MAP, true); // EXTRA_CLEAR_MAP is not (yet) used - map gets cleared by default
-        // artificial back stack for started Activity (https://developer.android.com/training/notify-user/navigation.html#DirectEntry)
-        TaskStackBuilder swipeActionIntentBuilder = TaskStackBuilder.create(mService);
-        swipeActionIntentBuilder.addParentStack(MainActivity.class);
-        swipeActionIntentBuilder.addNextIntent(swipeActionIntent);
 
         // ACTION: NOTIFICATION BUTTON STOP
         Intent stopActionIntent = new Intent(mService, TrackerService.class);
@@ -121,6 +114,7 @@ public class NotificationHelper implements TrackbookKeys {
         // pending intent wrapper for notification stop action
         PendingIntent stopActionPendingIntent = PendingIntent.getService(mService, 12, stopActionIntent, 0);
 
+
         // construct notification in builder
         NotificationCompat.Builder builder;
         builder = new NotificationCompat.Builder(mService);

app/src/main/java/org/y20k/trackbook/helpers/StorageHelper.java

@@ -50,7 +50,7 @@ public class StorageHelper implements TrackbookKeys {
     private static final String LOG_TAG = StorageHelper.class.getSimpleName();
 
     /* Main class variables */
-    private final int mMaxTrackFiles = 10;
+    private final int mMaxTrackFiles = 25;
     private final String mDirectoryName = "tracks";
     private final String mFileExtension = ".trackbook";
     private final Activity mActivity;

app/src/main/java/org/y20k/trackbook/helpers/TrackbookKeys.java

@@ -62,6 +62,7 @@ public interface TrackbookKeys {
     String INSTANCE_TRACKING_STATE = "trackingState";
     String INSTANCE_TRACK_VISIBLE = "trackVisible";
     String INSTANCE_SELECTED_TAB = "selectedTab";
+    String INSTANCE_FAB_STATE = "fabState";
     String INSTANCE_FAB_SUB_MENU_VISIBLE = "fabSubMenuVisible";
     String INSTANCE_TRACK_MAIN_MAP = "trackMainMap";
     String INSTANCE_LATITUDE_MAIN_MAP = "latitudeMainMap";
@@ -92,6 +93,10 @@ public interface TrackbookKeys {
     int INFOSHEET_CONTENT_ABOUT = 1;
     int METRIC = 1;
     int IMPERIAL = 2;
+    int FAB_STATE_DEFAULT = 0;
+    int FAB_STATE_RECORDING = 1;
+    int FAB_STATE_SAVE = 2;
+
     double DEFAULT_LATITUDE = 49.41667; // latitude Nordkapp, Norway
     double DEFAULT_LONGITUDE = 8.67201; // longitude Nordkapp, Norway
 }

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

@@ -1,49 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:fitsSystemWindows="true"
-    tools:context="org.y20k.trackbook.MainActivity">
-
-    <android.support.design.widget.AppBarLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:theme="@style/TrackbookAppTheme.AppBarOverlay">
-
-        <android.support.v7.widget.Toolbar
-            android:id="@+id/toolbar"
-            android:layout_width="match_parent"
-            android:layout_height="?attr/actionBarSize"
-            android:background="?attr/colorPrimary"
-            app:popupTheme="@style/TrackbookAppTheme.PopupOverlay" />
-
-    </android.support.design.widget.AppBarLayout>
-
-
-    <!-- include MainActivityMapFragment -->
-    <fragment
-        xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:app="http://schemas.android.com/apk/res-auto"
-        xmlns:tools="http://schemas.android.com/tools"
-        android:id="@+id/content_main"
-        android:name="org.y20k.trackbook.MainActivityMapFragment"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        app:layout_behavior="@string/appbar_scrolling_view_behavior"
-        tools:layout="@layout/fragment_main_map" />
-
-
-    <include layout="@layout/floating_action_button" />
-
-<!--    <android.support.design.widget.FloatingActionButton
-        android:id="@+id/fab"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="bottom|end"
-        android:layout_margin="@dimen/fab_margin"
-        app:srcCompat="@drawable/ic_fiber_manual_record_white_24dp"
-        app:fabSize="auto"/> -->
-
-</android.support.design.widget.CoordinatorLayout>

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

@@ -9,6 +9,7 @@
     android:orientation="vertical"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:gravity="bottom"
     android:layout_gravity="bottom|end"
     android:layout_margin="@dimen/fab_margin"
     app:layout_behavior="org.y20k.trackbook.layout.DodgeAbleLayoutBehavior">
@@ -16,9 +17,8 @@
     <LinearLayout
         android:id="@+id/fabSubMenu1"
         android:layout_width="wrap_content"
-        android:layout_height="0dp"
+        android:layout_height="wrap_content"
         android:gravity="center_vertical"
-        android:layout_weight="1"
         android:layout_gravity="bottom|end"
         android:layout_marginEnd="8dp"
         android:layout_marginBottom="@dimen/fab_margin"
@@ -29,6 +29,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_gravity="bottom|end"
+            android:contentDescription="@string/descr_fab_sub_menu_button_1"
             app:cardBackgroundColor="@color/trackbook_white"
             app:cardCornerRadius="4dp"
             app:cardElevation="4dp"
@@ -50,9 +51,9 @@
             android:id="@+id/fabSubMenuButton1"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_gravity="bottom|end"
+            android:contentDescription="@string/descr_fab_sub_menu_button_1"
             app:srcCompat="@drawable/ic_save_white_24dp"
-            app:backgroundTint="#4CAF50"
+            app:backgroundTint="@color/trackbook_green"
             app:fabSize="mini" />
 
     </LinearLayout>
@@ -71,6 +72,7 @@
         <android.support.v7.widget.CardView
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
+            android:contentDescription="@string/descr_fab_sub_menu_label_2"
             app:cardBackgroundColor="@color/trackbook_white"
             app:cardCornerRadius="4dp"
             app:cardElevation="4dp"
@@ -94,8 +96,8 @@
             android:id="@+id/fabSubMenuButton2"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
+            android:contentDescription="@string/descr_fab_sub_menu_button_2"
             app:srcCompat="@drawable/ic_clear_white_24dp"
-            app:backgroundTint="#2196F3"
             app:fabSize="mini" />
 
     </LinearLayout>
@@ -111,6 +113,7 @@
             android:id="@+id/fabMainButton"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
+            android:contentDescription="@string/descr_fab_main"
             app:srcCompat="@drawable/ic_fiber_manual_record_white_24dp"
             app:fabSize="normal" />
 

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

@@ -6,8 +6,7 @@
     android:orientation="vertical"
     android:layout_width="fill_parent"
     android:layout_height="fill_parent"
-    tools:context=".MainActivityMapFragment"
+    tools:context=".MainActivityMapFragment">
-    tools:showIn="@layout/activity_main_old">
 
     <org.osmdroid.views.MapView android:id="@+id/map"
         android:layout_width="fill_parent"

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

@@ -42,6 +42,9 @@
     <string name="toast_message_last_location">Letzte Position:</string>
     <string name="toast_message_save_track">Aufzeichnung wird gespeichert.</string>
     <string name="toast_message_last_location_age_one_hour">über eine Stunde</string>
+    <string name="toast_message_track_clear">Aufzeichnung zurückgesetzt.</string>
+    <string name="toast_message_track_save">Speichere Aufzeichnung.</string>
+
 
     <!-- map markers -->
     <string name="marker_description_source">Quelle</string>
@@ -91,6 +94,11 @@
     <!-- descriptions -->
     <string name="descr_map_current_track">Karte der aktuellen Aufzeichnung</string>
     <string name="descr_map_last_track">Karte der letzten Aufzeichnung</string>
+    <string name="descr_fab_main">Haupt-Aktionsbutton</string>
+    <string name="descr_fab_sub_menu_label_1">Beschreibung des Speichern-und-Zurücksetzen-Buttons</string>
+    <string name="descr_fab_sub_menu_button_1">kleiner Speichern-und-Zurücksetzen-Button</string>
+    <string name="descr_fab_sub_menu_label_2">Beschreibung des Zurücksetzen-Buttons</string>
+    <string name="descr_fab_sub_menu_button_2">kleiner Zurücksetzen-Button</string>
     <string name="descr_statistics_sheet_headline">Überschrift der Statistik-Einblendung</string>
     <string name="descr_statistics_sheet_icon">Icon Balkendiagramm</string>
     <string name="descr_statistics_sheet_p_distance">Datenpunkt: Distanz</string>

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

@@ -10,6 +10,8 @@
     <color name="trackbook_blue_dark">#FF12537F</color>
     <color name="trackbook_blue_85percent">#D92095F2</color>
 
+    <color name="trackbook_green">#FF4CAF50</color>
+
     <color name="trackbook_white">#FFFFFFFF</color>
 
     <color name="trackbook_grey_light">#FF607d8b</color>

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

@@ -43,6 +43,9 @@
     <string name="toast_message_last_location">Last location:</string>
     <string name="toast_message_save_track">Saving current track.</string>
     <string name="toast_message_last_location_age_one_hour">over one hour</string>
+    <string name="toast_message_track_clear">Current track data removed.</string>
+    <string name="toast_message_track_save">Saving current track data.</string>
+
 
     <!-- map markers -->
     <string name="marker_description_source">Source</string>
@@ -92,6 +95,11 @@
     <!-- descriptions -->
     <string name="descr_map_current_track">Map of the current track</string>
     <string name="descr_map_last_track">Map of the last track</string>
+    <string name="descr_fab_main">Main Action Button</string>
+    <string name="descr_fab_sub_menu_label_1">Label of the Save and Clear button</string>
+    <string name="descr_fab_sub_menu_button_1">small Save and Clear button</string>
+    <string name="descr_fab_sub_menu_label_2">Label of the Clear button</string>
+    <string name="descr_fab_sub_menu_button_2">small Clear button</string>
     <string name="descr_statistics_sheet_headline">Headline of the statistics sheet</string>
     <string name="descr_statistics_sheet_icon">Icon of a bar chart</string>
     <string name="descr_statistics_sheet_p_distance">Data point: distance</string>