Prepare for RESET & Export

.idea/misc.xml

@@ -5,7 +5,7 @@
       <configuration PROFILE_NAME="Debug" CONFIG_NAME="Debug" />
     </configurations>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

app/src/main/java/co/zzyzx/sensorlogger/MainActivity.kt

@@ -67,11 +67,21 @@ class MainActivity : AppCompatActivity(),
     private fun updateCounter() {
         val runnable = Runnable { updateCounter() }
 
+        var hasData = false
         val sensors = arrayOf("location", "accelerometer", "gyroscope")
         var text = mutableListOf<String>("Status", "-------------------------------")
         for (sensor in sensors) {
             val count = recRepo.getRecordCount(sensor)
             text.add("$sensor --- $count records")
+            hasData = count > 0
+        }
+        if (hasData) {
+            reset_record_btn.visibility = View.VISIBLE
+            export_record_btn.visibility = View.VISIBLE
+        } else {
+
+            reset_record_btn.visibility = View.GONE
+            export_record_btn.visibility = View.GONE
         }
         status_textview.text = text.joinToString(System.getProperty("line.separator"))
 
@@ -135,7 +145,18 @@ class MainActivity : AppCompatActivity(),
     }
 
     private fun actionOnService(action: Actions) {
-        if (getServiceState(this) == ServiceState.STOPPED && action == Actions.STOP) return
+        when (action) {
+            Actions.START -> {
+                start_service_btn.visibility = View.GONE
+                stop_service_btn.visibility = View.VISIBLE
+            }
+            Actions.STOP -> {
+                start_service_btn.visibility = View.VISIBLE
+                stop_service_btn.visibility = View.GONE
+                if (getServiceState(this) == ServiceState.STOPPED)
+                    return
+            }
+        }
         Intent(this, EndlessService::class.java).also {
             it.action = action.name
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
@@ -146,6 +167,7 @@ class MainActivity : AppCompatActivity(),
             log("Starting the service in < 26 Mode")
             startService(it)
         }
+
     }
 
     override fun onRequestPermissionsResult(

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

@@ -4,6 +4,7 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:orientation="vertical"
+        android:paddingHorizontal="2dp"
         tools:context=".MainActivity">
 
 
@@ -24,9 +25,9 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_weight="3"
-                android:textAlignment="center"
                 android:background="@android:color/background_light"
-                android:text="" />
+                android:text=""
+                android:textAlignment="center" />
 
         <Button
                 android:id="@+id/ask_location_permission_button"
@@ -41,26 +42,47 @@
     <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:gravity="center_horizontal"
             android:orientation="horizontal">
 
         <Button
                 android:id="@+id/start_service_btn"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:layout_weight="1"
+                android:layout_gravity="center"
-                android:text="Start Foreground Service" />
+                android:text="Start ▶︎" />
 
         <Button
                 android:id="@+id/stop_service_btn"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:layout_weight="1"
+                android:layout_gravity="center"
-                android:text="Stop Foreground Service" />
+                android:text="Stop ◼︎"
+                android:visibility="gone" />
+
+        <Button
+                android:id="@+id/reset_record_btn"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:text="Reset ✖︎"
+                android:visibility="gone" />
+
+        <Button
+                android:id="@+id/export_record_btn"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:text="Export 📃"
+                android:visibility="gone" />
+
     </LinearLayout>
 
     <TextView
             android:id="@+id/status_textview"
             android:layout_width="match_parent"
-            android:layout_height="wrap_content" />
+            android:layout_height="wrap_content"
+            android:background="@color/lightGray"
+            android:padding="5dp"/>
 
 </LinearLayout>

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

@@ -5,4 +5,5 @@
     <color name="colorAccent">#D81B60</color>
     <color name="green">#22DD22</color>
     <color name="red">#DD2222</color>
+    <color name="lightGray">#F6F6F6</color>
 </resources>