Hard coded,redundant code removed (#1808)

Author: Kunal Rai

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

@@ -5,7 +5,7 @@
     android:layout_height="match_parent"
     tools:context="io.pslab.activity.MapsActivity">
 
-    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:orientation="vertical">

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

@@ -78,7 +78,6 @@
                 android:id="@+id/chart_yaxis_layout1"
                 android:layout_width="wrap_content"
                 android:layout_height="match_parent"
-                android:layout_alignParentLeft="true"
                 android:layout_alignParentStart="true"
                 android:layout_alignParentTop="true"
                 android:background="@color/black"
@@ -128,7 +127,6 @@
                 android:layout_width="wrap_content"
                 android:layout_height="match_parent"
                 android:layout_alignParentEnd="true"
-                android:layout_alignParentRight="true"
                 android:layout_centerVertical="true"
                 android:background="@color/black"
                 android:foregroundGravity="right"

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

@@ -43,7 +43,7 @@
 
         <LinearLayout
             android:id="@+id/servo_timeline_controls"
-            android:layout_width="10dp"
+            android:layout_width="@dimen/robotic_arm_margin"
             android:layout_height="match_parent"
             android:layout_weight="0.1"
             android:background="@color/colorPrimary"
@@ -54,28 +54,28 @@
                 android:id="@+id/timeline_play_pause_button"
                 android:layout_width="@dimen/robotic_arm_width"
                 android:layout_height="@dimen/robotic_arm_height"
-                android:layout_margin="@dimen/robotic_arm_margin_7"
+                android:layout_margin="@dimen/robotic_arm_margin_small"
                 android:background="@drawable/ic_play_arrow_white_24dp" />
 
             <Button
                 android:id="@+id/timeline_stop_button"
                 android:layout_width="@dimen/robotic_arm_width"
                 android:layout_height="@dimen/robotic_arm_height"
-                android:layout_margin="@dimen/robotic_arm_margin_10"
+                android:layout_margin="@dimen/robotic_arm_margin"
                 android:background="@drawable/ic_record_stop_white" />
 
             <Button
                 android:id="@+id/timeline_save_button"
                 android:layout_width="@dimen/robotic_arm_width"
                 android:layout_height="@dimen/robotic_arm_height"
-                android:layout_margin="@dimen/robotic_arm_margin_7"
+                android:layout_margin="@dimen/robotic_arm_margin_small"
                 android:background="@drawable/menu_icon_save" />
 
             <Button
                 android:id="@+id/timeline_guide_button"
                 android:layout_width="@dimen/robotic_arm_width"
                 android:layout_height="@dimen/robotic_arm_height"
-                android:layout_margin="@dimen/robotic_arm_margin_10"
+                android:layout_margin="@dimen/robotic_arm_margin"
                 android:background="@drawable/menu_icon_guide" />
         </LinearLayout>
     </LinearLayout>

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

@@ -44,10 +44,9 @@
                     android:id="@+id/chart_xaxis_layout"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:layout_alignParentLeft="true"
                     android:layout_alignParentStart="true"
                     android:layout_alignParentTop="true"
-                    android:background="#000"
+                    android:background="@color/black"
                     android:orientation="vertical">
 
                     <TextView

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

@@ -18,7 +18,7 @@
             android:baselineAligned="false">
 
             <LinearLayout
-                android:layout_width="0dp"
+                android:layout_width="@dimen/thermo_width_0"
                 android:layout_height="match_parent"
                 android:layout_weight="3"
                 android:gravity="center_horizontal|center_vertical"
@@ -27,7 +27,7 @@
                 <TextView
                     android:id="@+id/label_thermo_sensor"
                     style="@style/thermo_meter_stat_heading"
-                    android:paddingBottom="5dp"
+                    android:paddingBottom="@dimen/thermo_padding"
                     android:textSize="@dimen/thermo_sensor_label_title_size" />
 
                 <TextView
@@ -128,7 +128,6 @@
                 android:layout_height="match_parent"
                 android:layout_below="@+id/chart_xaxis_layout_thermo"
                 android:layout_toEndOf="@+id/chart_yaxis_layout_hmc_thermo"
-                android:layout_toRightOf="@+id/chart_yaxis_layout_hmc_thermo"
                 android:background="@color/black" />
         </RelativeLayout>
 

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

@@ -18,7 +18,7 @@
             android:baselineAligned="false">
 
             <LinearLayout
-                android:layout_width="0dp"
+                android:layout_width="@dimen/lux_width_0"
                 android:layout_height="match_parent"
                 android:layout_weight="3"
                 android:gravity="center_horizontal|center_vertical"

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

@@ -9,8 +9,8 @@
     <TableLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:layout_marginEnd="8dp"
-        android:layout_marginStart="8dp">
+        android:layout_marginEnd="@dimen/timebase_margin_end"
+        android:layout_marginStart="@dimen/timebase_margin_start">
 
         <TableRow
             android:layout_width="match_parent"

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

@@ -9,7 +9,7 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:textColor="@color/white"
-        android:textSize="24sp" />
+        android:textSize="@dimen/robotic_arm_text_size" />
 
     <TextView
         android:id="@+id/timeline_box_time_text"

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

@@ -10,6 +10,6 @@
     android:textAlignment="center"
     android:textAllCaps="true"
     android:textColor="@color/white"
-    android:textSize="14sp"
+    android:textSize="@dimen/sensorlist_text_size"
     android:textStyle="bold"
     />

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

@@ -57,7 +57,7 @@
             android:text="@string/select_sensor"
             android:textAllCaps="true"
             android:textColor="@color/black"
-            android:textSize="18sp"
+            android:textSize="@dimen/text_size_sensor_list"
             android:textStyle="bold" />
 
         <ListView