Use distance from cycling speed sensors.

Fixes #505.

src/main/java/de/dennisguse/opentracks/util/BluetoothUtils.java

@@ -126,12 +126,12 @@ public class BluetoothUtils {
             cadence = new SensorDataCycling.Cadence(address, sensorName, crankCount, crankTime);
         }
 
-        SensorDataCycling.Speed speed = null;
+        SensorDataCycling.DistanceSpeed speed = null;
         if (hasWheel && valueLength - index >= 4) {
             int wheelCount = characteristic.getIntValue(BluetoothGattCharacteristic.FORMAT_UINT16, index);
             index += 2;
             int wheelTime = characteristic.getIntValue(BluetoothGattCharacteristic.FORMAT_UINT16, index); // 1/1024s
-            speed = new SensorDataCycling.Speed(address, sensorName, wheelCount, wheelTime);
+            speed = new SensorDataCycling.DistanceSpeed(address, sensorName, wheelCount, wheelTime);
         }
 
         return new SensorDataCycling.CadenceAndSpeed(address, sensorName, cadence, speed);

src/main/java/de/dennisguse/opentracks/util/PreferencesUtils.java

@@ -42,6 +42,7 @@ public class PreferencesUtils {
     private PreferencesUtils() {
     }
 
+    @Deprecated //Should only be used to get a sharedPreference for more than one interaction!
     public static SharedPreferences getSharedPreferences(Context context) {
         return PreferenceManager.getDefaultSharedPreferences(context);
     }
@@ -102,7 +103,6 @@ public class PreferencesUtils {
         editor.apply();
     }
 
-
     private static int getInt(SharedPreferences sharedPreferences, Context context, int keyId, int defaultValue) {
         try {
             return sharedPreferences.getInt(getKey(context, keyId), defaultValue);
@@ -206,7 +206,6 @@ public class PreferencesUtils {
         return getString(sharedPreferences, context, R.string.settings_sensor_bluetooth_cycling_power_key, getBluetoothSensorAddressNone(context));
     }
 
-
     public static boolean shouldShowStatsOnLockscreen(SharedPreferences sharedPreferences, Context context) {
         final boolean STATS_SHOW_ON_LOCKSCREEN_DEFAULT = context.getResources().getBoolean(R.bool.stats_show_on_lockscreen_while_recording_default);
         return getBoolean(sharedPreferences, context, R.string.stats_show_on_lockscreen_while_recording_key, STATS_SHOW_ON_LOCKSCREEN_DEFAULT);