Add list for connected and disconnected devices (#3)

embedded-community · Feb 11, 2022 · a1d6b4e · a1d6b4e
1 parent 3f31544
commit a1d6b4e
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Showing 4 changed files with 112 additions and 6 deletions.
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
diff --git a/.idea/misc.xml b/.idea/misc.xml
diff --git a/app/src/main/java/com/automationdev/clearbluetooth/MainActivity.kt b/app/src/main/java/com/automationdev/clearbluetooth/MainActivity.kt
@@ -8,18 +8,29 @@ import android.bluetooth.BluetoothManager
 import android.content.Context
 import android.os.Build
 import android.util.Log
+import android.widget.ArrayAdapter
 import android.widget.Button
+import android.widget.ListView
 import android.widget.TextView
 import androidx.activity.result.contract.ActivityResultContracts
 import java.lang.Exception
 
 class MainActivity : AppCompatActivity() {
     private val TAG: String = MainActivity::class.java.getSimpleName()
 
+    // Elements
     private lateinit var unpairButton: Button
     private lateinit var statusText: TextView
+    private lateinit var pairedDevicesListView: ListView
+    private lateinit var unpairedDevicesListView: ListView
     private lateinit var pairedDevices: Set<BluetoothDevice>
 
+    // Variables
+    private var pairedDevicesList: MutableList<String> = mutableListOf()
+    private var unpairedDevicesList: MutableList<String> = mutableListOf()
+    private lateinit var arrayAdapterPaired: ArrayAdapter<String>
+    private lateinit var arrayAdapterUnpaired: ArrayAdapter<String>
+
     private val requestPermissionLauncher = registerForActivityResult(ActivityResultContracts.RequestPermission()
         ) { isGranted: Boolean ->
             if (isGranted) {
@@ -42,6 +53,18 @@ class MainActivity : AppCompatActivity() {
         val bluetoothManager = getSystemService(Context.BLUETOOTH_SERVICE) as BluetoothManager
         pairedDevices = bluetoothManager.getAdapter().bondedDevices
 
+        // Get names for paired devices
+        for (device in pairedDevices) {
+            pairedDevicesList.add(device.address)
+        }
+
+        // Set adapters
+        pairedDevicesListView = findViewById(R.id.pairedDevices)
+        arrayAdapterPaired = ArrayAdapter(this, R.layout.support_simple_spinner_dropdown_item, this.pairedDevicesList)
+        pairedDevicesListView.adapter = arrayAdapterPaired
+
+
+
         // Change text
         statusText = findViewById(R.id.bl_devices_text)
         statusText.setText("There is currently ${pairedDevices.size} paired bluetooth devices.")
@@ -54,6 +77,10 @@ class MainActivity : AppCompatActivity() {
     }
 
     private fun unpairAll(pairedDevices: Set<BluetoothDevice>) {
+        // empty list
+        this.unpairedDevicesList = mutableListOf()
+
+        // Set unpair button
         this.unpairButton.setEnabled(false)
         this.unpairButton.setText("Please wait...")
 
@@ -63,11 +90,18 @@ class MainActivity : AppCompatActivity() {
                 try {
                     device::class.java.getMethod("removeBond").invoke(device)
                     unpairCount++
+                    this.unpairedDevicesList.add(device.address)
+                    this.pairedDevicesList.remove(device.address)
 
                 } catch (e: Exception) {
                     Log.w(TAG,"Failed to un-pair device: ${device.address}")
                 }
             }
+            // Show unpaired devices on the list
+            this.arrayAdapterPaired.notifyDataSetChanged()
+            unpairedDevicesListView = findViewById(R.id.unpairedDevices)
+            arrayAdapterUnpaired = ArrayAdapter(this, R.layout.support_simple_spinner_dropdown_item, this.unpairedDevicesList)
+            unpairedDevicesListView.adapter = arrayAdapterUnpaired
         }
 
         statusText.text = String.format("${unpairCount} of ${pairedDevices.size} devices un-paired.")

diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
@@ -4,19 +4,18 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".MainActivity" >
+    tools:context=".MainActivity">
 
     <Button
         android:id="@+id/clearAllButton"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginStart="32dp"
-        android:layout_marginTop="32dp"
+        android:layout_marginTop="100dp"
         android:layout_marginEnd="32dp"
-        android:layout_marginBottom="16dp"
         android:text="@string/unpair_all"
-        app:layout_constraintBottom_toTopOf="@+id/bl_devices_text"
         app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.497"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
@@ -25,11 +24,74 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginStart="32dp"
-        android:layout_marginTop="32dp"
         android:layout_marginEnd="32dp"
         android:layout_marginBottom="32dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.498"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/clearAllButton" />
+        app:layout_constraintTop_toBottomOf="@+id/clearAllButton"
+        app:layout_constraintVertical_bias="0.114" />
+
+    <RelativeLayout
+        android:id="@+id/pairedDevicesLayout"
+        android:layout_width="178dp"
+        android:layout_height="365dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="84dp"
+        android:layout_marginBottom="16dp"
+        android:ems="10"
+        android:gravity="start|top"
+        android:inputType="textMultiLine"
+        android:orientation="vertical"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/bl_devices_text"
+        tools:text="@tools:sample/lorem">
+        <TextView
+            android:id="@+id/connectedDevicesTitle"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Paired Devices"
+            app:layout_constraintStart_toStartOf="parent" />
+
+        <ListView
+            android:id="@+id/pairedDevices"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:layout_below="@+id/connectedDevicesTitle"
+            android:layout_marginTop="0dp" />
+    </RelativeLayout>
+
+    <RelativeLayout
+        android:id="@+id/unpairedDevicesLayout"
+        android:layout_width="178dp"
+        android:layout_height="365dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="84dp"
+        android:layout_marginEnd="16dp"
+        android:layout_marginBottom="16dp"
+        android:ems="10"
+        android:gravity="start|top"
+        android:inputType="textMultiLine"
+        android:orientation="vertical"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@+id/pairedDevicesLayout"
+        app:layout_constraintTop_toBottomOf="@+id/bl_devices_text">
+
+        <TextView
+            android:id="@+id/disconnectedDevicesTitle"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Unpaired Devices"
+            app:layout_constraintStart_toStartOf="parent" />
+
+        <ListView
+            android:id="@+id/unpairedDevices"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:layout_below="@+id/disconnectedDevicesTitle" />
+    </RelativeLayout>
+
 </androidx.constraintlayout.widget.ConstraintLayout>