Move stuff into more granular packages.

app/src/main/AndroidManifest.xml

@@ -13,10 +13,10 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".StatisticsActivity"/>
-        <activity android:name=".CollarDetailActivity" />
-        <activity android:name=".CollarListActivity" />
-        <activity android:name=".MainActivity">
+        <activity android:name=".ui.activities.StatisticsActivity"/>
+        <activity android:name=".ui.activities.CollarDetailActivity" />
+        <activity android:name=".ui.activities.CollarListActivity" />
+        <activity android:name=".ui.activities.MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 

app/src/main/java/com/danilafe/fencelessgrazing/requests/authenticated/AuthenticatedRequest.kt

@@ -1,4 +1,4 @@
-package com.danilafe.fencelessgrazing.requests
+package com.danilafe.fencelessgrazing.requests.authenticated
 
 import com.android.volley.Response
 import com.android.volley.toolbox.StringRequest

app/src/main/java/com/danilafe/fencelessgrazing/requests/authenticated/CollarDetailRequest.kt

@@ -1,11 +1,8 @@
-package com.danilafe.fencelessgrazing.requests
+package com.danilafe.fencelessgrazing.requests.authenticated
 
 import com.android.volley.Response
-import com.android.volley.toolbox.StringRequest
 import com.danilafe.fencelessgrazing.model.CollarDetails
-import com.danilafe.fencelessgrazing.model.CollarPos
-import com.danilafe.fencelessgrazing.model.CollarSummary
-import com.google.gson.reflect.TypeToken
+import com.danilafe.fencelessgrazing.requests.toGsonListener
 
 /**
  * Request to the `/collars/<id>/details` API endpoint. Retrieves detailed information

app/src/main/java/com/danilafe/fencelessgrazing/requests/authenticated/CollarHistoryRequest.kt

@@ -1,10 +1,8 @@
-package com.danilafe.fencelessgrazing.requests
+package com.danilafe.fencelessgrazing.requests.authenticated
 
 import com.android.volley.Response
-import com.android.volley.toolbox.StringRequest
 import com.danilafe.fencelessgrazing.model.CollarPos
-import com.danilafe.fencelessgrazing.model.CollarSummary
-import com.google.gson.reflect.TypeToken
+import com.danilafe.fencelessgrazing.requests.toGsonListener
 
 /**
  * A request to the `/collars/<id>/history` API endpoint. Retrieves the entire list

app/src/main/java/com/danilafe/fencelessgrazing/requests/authenticated/CollarRequest.kt

@@ -1,9 +1,8 @@
-package com.danilafe.fencelessgrazing.requests
+package com.danilafe.fencelessgrazing.requests.authenticated
 
 import com.android.volley.Response
-import com.android.volley.toolbox.StringRequest
 import com.danilafe.fencelessgrazing.model.CollarSummary
-import com.google.gson.reflect.TypeToken
+import com.danilafe.fencelessgrazing.requests.toGsonListener
 
 /**
  * A request to the `/collars` API endpoint. Retrieves a list of collar summaries, represented

app/src/main/java/com/danilafe/fencelessgrazing/requests/authenticated/DistanceTraveledRequest.kt

@@ -1,9 +1,8 @@
-package com.danilafe.fencelessgrazing.requests
+package com.danilafe.fencelessgrazing.requests.authenticated
 
 import com.danilafe.fencelessgrazing.model.CollarDistance
 import com.android.volley.Response
-import com.android.volley.toolbox.StringRequest
-import com.google.gson.reflect.TypeToken
+import com.danilafe.fencelessgrazing.requests.toGsonListener
 
 /**
  * A request to the `/collars/stats/distance` API endpoint. Retrieves

app/src/main/java/com/danilafe/fencelessgrazing/ui/activities/CollarDetailActivity.kt

@@ -1,4 +1,4 @@
-package com.danilafe.fencelessgrazing
+package com.danilafe.fencelessgrazing.ui.activities
 
 import android.graphics.Color
 import androidx.appcompat.app.AppCompatActivity
@@ -8,9 +8,10 @@ import android.widget.Toast
 import com.android.volley.RequestQueue
 import com.android.volley.Response
 import com.android.volley.toolbox.Volley
+import com.danilafe.fencelessgrazing.R
 import com.danilafe.fencelessgrazing.model.Polygon
-import com.danilafe.fencelessgrazing.requests.CollarDetailRequest
-import com.danilafe.fencelessgrazing.requests.CollarHistoryRequest
+import com.danilafe.fencelessgrazing.requests.authenticated.CollarDetailRequest
+import com.danilafe.fencelessgrazing.requests.authenticated.CollarHistoryRequest
 import org.osmdroid.util.GeoPoint
 import org.osmdroid.views.MapView
 import org.osmdroid.views.overlay.Marker
@@ -166,23 +167,32 @@ class CollarDetailActivity : AppCompatActivity() {
      * Sends API requests that retrieve updated information about the collar.
      */
     private fun triggerRefresh() {
-        val historyRequest = CollarHistoryRequest(getString(R.string.apiUrl), collarId, token,
-            Response.Listener {
-                dataPoints = it.map { p -> GeoPoint(p.longitude.toDouble(), p.latitude.toDouble()) }
-            },
-            Response.ErrorListener {
-                Toast.makeText(this, "Failed to retrieve history of collar", Toast.LENGTH_SHORT).show()
-            }
-        )
-        val detailRequest = CollarDetailRequest(getString(R.string.apiUrl), collarId, token,
-            Response.Listener {
-                collarName.text = it.name
-                collarStimulus.text = getString(R.string.collarSummaryStimulus, it.stimulus)
-            },
-            Response.ErrorListener {
-                Toast.makeText(this, "Failed to retrieve details of collar", Toast.LENGTH_SHORT).show()
-            }
-        )
+        val historyRequest =
+            CollarHistoryRequest(getString(R.string.apiUrl),
+                collarId,
+                token,
+                Response.Listener {
+                    dataPoints =
+                        it.map { p -> GeoPoint(p.longitude.toDouble(), p.latitude.toDouble()) }
+                },
+                Response.ErrorListener {
+                    Toast.makeText(this, "Failed to retrieve history of collar", Toast.LENGTH_SHORT)
+                        .show()
+                }
+            )
+        val detailRequest =
+            CollarDetailRequest(getString(R.string.apiUrl),
+                collarId,
+                token,
+                Response.Listener {
+                    collarName.text = it.name
+                    collarStimulus.text = getString(R.string.collarSummaryStimulus, it.stimulus)
+                },
+                Response.ErrorListener {
+                    Toast.makeText(this, "Failed to retrieve details of collar", Toast.LENGTH_SHORT)
+                        .show()
+                }
+            )
         queue.add(historyRequest)
         queue.add(detailRequest)
     }

app/src/main/java/com/danilafe/fencelessgrazing/ui/activities/CollarListActivity.kt

@@ -1,4 +1,4 @@
-package com.danilafe.fencelessgrazing
+package com.danilafe.fencelessgrazing.ui.activities
 
 import android.content.Intent
 import androidx.appcompat.app.AppCompatActivity
@@ -12,8 +12,11 @@ import androidx.recyclerview.widget.RecyclerView
 import com.android.volley.RequestQueue
 import com.android.volley.Response
 import com.android.volley.toolbox.Volley
+import com.danilafe.fencelessgrazing.ui.components.CollarClickListener
+import com.danilafe.fencelessgrazing.ui.components.CollarSummaryAdapter
+import com.danilafe.fencelessgrazing.R
 import com.danilafe.fencelessgrazing.model.CollarSummary
-import com.danilafe.fencelessgrazing.requests.CollarRequest
+import com.danilafe.fencelessgrazing.requests.authenticated.CollarRequest
 import org.osmdroid.config.Configuration
 import org.osmdroid.tileprovider.tilesource.TileSourceFactory
 import org.osmdroid.util.GeoPoint
@@ -116,17 +119,20 @@ class CollarListActivity : AppCompatActivity() {
      * Sends the request to the API to retrieve an updated list of active collars.
      */
     private fun triggerRefresh() {
-        val request = CollarRequest(getString(R.string.apiUrl), token,
-            Response.Listener {
-                summaries.clear()
-                summaries.addAll(it)
-                summaryAdapter.notifyDataSetChanged()
-                updateMap()
-            },
-            Response.ErrorListener {
-                Toast.makeText(this, "Failed to retrieve collar list!", Toast.LENGTH_SHORT).show()
-            }
-        )
+        val request =
+            CollarRequest(getString(R.string.apiUrl),
+                token,
+                Response.Listener {
+                    summaries.clear()
+                    summaries.addAll(it)
+                    summaryAdapter.notifyDataSetChanged()
+                    updateMap()
+                },
+                Response.ErrorListener {
+                    Toast.makeText(this, "Failed to retrieve collar list!", Toast.LENGTH_SHORT)
+                        .show()
+                }
+            )
         queue.add(request)
     }
 
@@ -158,12 +164,16 @@ class CollarListActivity : AppCompatActivity() {
      */
     private fun setupCollarList() {
         val layoutManager = LinearLayoutManager(collarList.context)
-        summaryAdapter = CollarSummaryAdapter(summaries, object : CollarClickListener {
-            override fun onCollarClick(collar: CollarSummary?) {
-                if (collar == null) return
-                startCollarDetailActivity(collar)
-            }
-        })
+        summaryAdapter =
+            CollarSummaryAdapter(
+                summaries,
+                object :
+                    CollarClickListener {
+                    override fun onCollarClick(collar: CollarSummary?) {
+                        if (collar == null) return
+                        startCollarDetailActivity(collar)
+                    }
+                })
         collarList.adapter = summaryAdapter
         collarList.layoutManager = layoutManager
         collarList.addItemDecoration(DividerItemDecoration(collarList.context, layoutManager.orientation))

app/src/main/java/com/danilafe/fencelessgrazing/ui/activities/DistanceTraveledGraph.kt

@@ -1,4 +1,4 @@
-package com.danilafe.fencelessgrazing
+package com.danilafe.fencelessgrazing.ui.activities
 
 import android.os.Bundle
 import android.view.LayoutInflater
@@ -9,8 +9,9 @@ import androidx.fragment.app.Fragment
 import com.android.volley.RequestQueue
 import com.android.volley.Response
 import com.android.volley.toolbox.Volley
+import com.danilafe.fencelessgrazing.R
 import com.danilafe.fencelessgrazing.model.CollarDistance
-import com.danilafe.fencelessgrazing.requests.DistanceTraveledRequest
+import com.danilafe.fencelessgrazing.requests.authenticated.DistanceTraveledRequest
 import com.github.mikephil.charting.charts.BarChart
 import com.github.mikephil.charting.components.XAxis
 import com.github.mikephil.charting.data.BarData
@@ -61,14 +62,20 @@ class DistanceTraveledGraph() : Fragment() {
         val activity = requireActivity()
         val sharedPrefs = activity.getSharedPreferences("FencelessGrazing", 0)
         val token = sharedPrefs.getString("token", null)!!
-        val request = DistanceTraveledRequest(activity.getString(R.string.apiUrl), token,
-            Response.Listener {
-                updateChartData(it)
-            },
-            Response.ErrorListener {
-                Toast.makeText(activity, "Failed to retrieve distance traveled!", Toast.LENGTH_SHORT).show()
-            }
-        )
+        val request =
+            DistanceTraveledRequest(activity.getString(R.string.apiUrl),
+                token,
+                Response.Listener {
+                    updateChartData(it)
+                },
+                Response.ErrorListener {
+                    Toast.makeText(
+                        activity,
+                        "Failed to retrieve distance traveled!",
+                        Toast.LENGTH_SHORT
+                    ).show()
+                }
+            )
         queue.add(request)
     }
 

app/src/main/java/com/danilafe/fencelessgrazing/ui/activities/MainActivity.kt

@@ -1,4 +1,4 @@
-package com.danilafe.fencelessgrazing
+package com.danilafe.fencelessgrazing.ui.activities
 
 import android.content.Intent
 import androidx.appcompat.app.AppCompatActivity
@@ -8,6 +8,7 @@ import android.widget.TextView
 import android.widget.Toast
 import com.android.volley.Response
 import com.android.volley.toolbox.Volley
+import com.danilafe.fencelessgrazing.R
 import com.danilafe.fencelessgrazing.requests.LoginRequest
 
 /**

app/src/main/java/com/danilafe/fencelessgrazing/ui/activities/StatisticsActivity.kt

@@ -1,10 +1,10 @@
-package com.danilafe.fencelessgrazing
+package com.danilafe.fencelessgrazing.ui.activities
 
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
-import androidx.fragment.app.FragmentActivity
-import androidx.viewpager.widget.ViewPager
 import androidx.viewpager2.widget.ViewPager2
+import com.danilafe.fencelessgrazing.R
+import com.danilafe.fencelessgrazing.ui.components.StatisticsGraphAdapter
 import com.google.android.material.tabs.TabLayout
 import com.google.android.material.tabs.TabLayoutMediator
 
@@ -37,7 +37,10 @@ class StatisticsActivity : AppCompatActivity() {
         tabLayout = findViewById(R.id.statisticsTabs)
         viewPager = findViewById(R.id.statisticsPager)
 
-        viewPager.adapter = StatisticsGraphAdapter(this)
+        viewPager.adapter =
+            StatisticsGraphAdapter(
+                this
+            )
         TabLayoutMediator(tabLayout, viewPager) { tab, position ->
             tab.text = tabNames[position]
         }.attach()

app/src/main/java/com/danilafe/fencelessgrazing/ui/components/CollarClickListener.kt

@@ -1,4 +1,4 @@
-package com.danilafe.fencelessgrazing
+package com.danilafe.fencelessgrazing.ui.components
 
 import com.danilafe.fencelessgrazing.model.CollarSummary
 

app/src/main/java/com/danilafe/fencelessgrazing/ui/components/CollarSummaryAdapter.kt

@@ -1,15 +1,12 @@
-package com.danilafe.fencelessgrazing
+package com.danilafe.fencelessgrazing.ui.components
 
-import android.content.Context
 import android.view.LayoutInflater
 import android.view.ViewGroup
-import android.widget.Toast
 import androidx.recyclerview.widget.ListAdapter
 import androidx.recyclerview.widget.DiffUtil
-import com.android.volley.Response
-import com.android.volley.toolbox.Volley
+import com.danilafe.fencelessgrazing.R
 import com.danilafe.fencelessgrazing.model.CollarSummary
-import com.danilafe.fencelessgrazing.requests.CollarRequest
+import com.danilafe.fencelessgrazing.requests.authenticated.CollarRequest
 
 /**
  * A [ListAdapter] subclass to display and manage a list of [CollarSummary] items
@@ -21,7 +18,9 @@ import com.danilafe.fencelessgrazing.requests.CollarRequest
 class CollarSummaryAdapter(
     private val items: List<CollarSummary>,
     private val collarClickListener: CollarClickListener
-) : ListAdapter<CollarSummary, CollarViewHolder>(DiffCallback()) {
+) : ListAdapter<CollarSummary, CollarViewHolder>(
+    DiffCallback()
+) {
 
     /**
      * [DiffUtil.ItemCallback] used for the [ListAdapter]. Compares items using
@@ -37,14 +36,17 @@ class CollarSummaryAdapter(
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): CollarViewHolder {
         val layout = LayoutInflater.from(parent.context).inflate(viewType, parent, false)
-        return CollarViewHolder(layout)
+        return CollarViewHolder(
+            layout
+        )
     }
 
     override fun onBindViewHolder(holder: CollarViewHolder, position: Int) {
         holder.bindData(getItem(position), collarClickListener)
     }
 
-    override fun getItemViewType(position: Int): Int = R.layout.collar_summary_layout
+    override fun getItemViewType(position: Int): Int =
+        R.layout.collar_summary_layout
 
     override fun getItem(position: Int): CollarSummary = items[position]
 

app/src/main/java/com/danilafe/fencelessgrazing/ui/components/CollarViewHolder.kt

@@ -1,8 +1,9 @@
-package com.danilafe.fencelessgrazing
+package com.danilafe.fencelessgrazing.ui.components
 
 import android.view.View
 import android.widget.TextView
 import androidx.recyclerview.widget.RecyclerView
+import com.danilafe.fencelessgrazing.R
 import com.danilafe.fencelessgrazing.model.CollarSummary
 
 /**
@@ -28,7 +29,8 @@ class CollarViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
      */
     fun bindData(summary: CollarSummary, collarClickListener: CollarClickListener) {
         nameView.text = summary.name
-        positionView.text = itemView.resources.getString(R.string.collarSummaryLocation,
+        positionView.text = itemView.resources.getString(
+            R.string.collarSummaryLocation,
             summary.pos.longitude.toDouble(), summary.pos.latitude.toDouble())
         itemView.setOnClickListener {
             collarClickListener.onCollarClick(summary)

app/src/main/java/com/danilafe/fencelessgrazing/ui/components/StatisticsGraphAdapter.kt

@@ -1,13 +1,15 @@
-package com.danilafe.fencelessgrazing
+package com.danilafe.fencelessgrazing.ui.components
 
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentActivity
 import androidx.viewpager2.adapter.FragmentStateAdapter
+import com.danilafe.fencelessgrazing.ui.activities.DistanceTraveledGraph
 
 /**
  * Adapter for the [ViewPager2][androidx.viewpager2.widget.ViewPager2] class.
  */
 class StatisticsGraphAdapter(activity : FragmentActivity) : FragmentStateAdapter(activity) {
     override fun getItemCount(): Int = 1
-    override fun createFragment(position: Int): Fragment = DistanceTraveledGraph()
+    override fun createFragment(position: Int): Fragment =
+        DistanceTraveledGraph()
 }

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

@@ -4,7 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".CollarDetailActivity">
+    tools:context=".ui.activities.CollarDetailActivity">
     <org.osmdroid.views.MapView
         android:id="@+id/detailMap"
         android:layout_width="match_parent"

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

@@ -4,7 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".CollarListActivity">
+    tools:context=".ui.activities.CollarListActivity">
 
     <org.osmdroid.views.MapView
         android:id="@+id/map"

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

@@ -4,7 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".MainActivity">
+    tools:context=".ui.activities.MainActivity">
 
     <EditText
         android:id="@+id/username"

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

@@ -4,7 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".StatisticsActivity">
+    tools:context=".ui.activities.StatisticsActivity">
 
     <com.google.android.material.tabs.TabLayout
         android:id="@+id/statisticsTabs"