List devices

.idea/codeStyles/Project.xml

@@ -0,0 +1,123 @@
+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <JetCodeStyleSettings>
+      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+    </JetCodeStyleSettings>
+    <codeStyleSettings language="XML">
+      <option name="FORCE_REARRANGE_MODE" value="1" />
+      <indentOptions>
+        <option name="CONTINUATION_INDENT_SIZE" value="4" />
+      </indentOptions>
+      <arrangement>
+        <rules>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>xmlns:android</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>xmlns:.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>BY_NAME</order>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*:id</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*:name</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>name</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>style</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>BY_NAME</order>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>ANDROID_ATTRIBUTE_ORDER</order>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>.*</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>BY_NAME</order>
+            </rule>
+          </section>
+        </rules>
+      </arrangement>
+    </codeStyleSettings>
+    <codeStyleSettings language="kotlin">
+      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+    </codeStyleSettings>
+  </code_scheme>
+</component>

.idea/codeStyles/codeStyleConfig.xml

@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
+  </state>
+</component>

app/src/main/AndroidManifest.xml

@@ -2,6 +2,16 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <uses-permission android:name="android.permission.BLUETOOTH"
+        android:maxSdkVersion="30" />
+    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN"
+        android:maxSdkVersion="30" />
+    <uses-permission android:name="android.permission.BLUETOOTH_SCAN" android:usesPermissionFlags="neverForLocation" />
+    <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
+
+    <uses-feature android:name="android.hardware.bluetooth" />
+    <uses-feature android:name="android.hardware.bluetooth_le" />
+
     <application
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
@@ -12,6 +22,9 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.HeliBLE"
         tools:targetApi="31">
+        <activity
+            android:name=".ControlActivity"
+            android:exported="false" />
         <activity
             android:name=".MainActivity"
             android:exported="true">

app/src/main/java/com/listerk/helible/AppState.kt

@@ -0,0 +1,5 @@
+package com.listerk.helible
+
+object AppState {
+    lateinit var bleDevice: BleDevice;
+}

app/src/main/java/com/listerk/helible/BleDevice.kt

@@ -0,0 +1,3 @@
+package com.listerk.helible
+
+data class BleDevice(val name: String, val address: String, val rssi: Int)

app/src/main/java/com/listerk/helible/BleDeviceAdapter.kt

@@ -0,0 +1,39 @@
+package com.listerk.helible
+
+import android.util.Log
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Button
+import android.widget.TextView
+import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.recyclerview.widget.RecyclerView
+
+class BleDeviceAdapter(private val devices: List<BleDevice>, private val gotoControlBtn: Button) :
+    RecyclerView.Adapter<BleDeviceAdapter.BleDeviceViewHolder>() {
+    private lateinit var itemView: View
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): BleDeviceViewHolder {
+        itemView = LayoutInflater.from(parent.context).inflate(R.layout.item_ble_device, parent, false)
+        return BleDeviceViewHolder(itemView)
+    }
+
+    override fun getItemCount(): Int = devices.size
+
+    override fun onBindViewHolder(holder: BleDeviceViewHolder, position: Int) {
+        holder.nameView.text = devices[position].name
+        holder.addressView.text = devices[position].address
+        holder.rssiView.text = devices[position].rssi.toString()
+        holder.cardView.setOnClickListener {
+            AppState.bleDevice = devices[position]
+            gotoControlBtn.isEnabled = true
+        }
+    }
+
+    class BleDeviceViewHolder(itemView: View): RecyclerView.ViewHolder(itemView) {
+        val cardView = itemView.rootView
+        val nameView = itemView.findViewById<TextView>(R.id.deviceName)
+        val addressView = itemView.findViewById<TextView>(R.id.deviceAddress)
+        val rssiView = itemView.findViewById<TextView>(R.id.deviceRssi)
+    }
+}

app/src/main/java/com/listerk/helible/ControlActivity.kt

@@ -0,0 +1,67 @@
+package com.listerk.helible
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.widget.SeekBar
+import android.widget.TextView
+
+class ControlActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_control)
+
+        var sliderR1Value = 0
+        var sliderR2Value = 0
+        var sliderR3Value = 0
+
+        val sliderR1ValueText = findViewById<TextView>(R.id.sliderR1Value)
+        val sliderR2ValueText = findViewById<TextView>(R.id.sliderR2Value)
+        val sliderR3ValueText = findViewById<TextView>(R.id.sliderR3Value)
+
+        val sliderR1 = findViewById<SeekBar>(R.id.sliderR1)
+        val sliderR2 = findViewById<SeekBar>(R.id.sliderR2)
+        val sliderR3 = findViewById<SeekBar>(R.id.sliderR3)
+
+        sliderR1.setOnSeekBarChangeListener(object : SeekBar.OnSeekBarChangeListener {
+            override fun onProgressChanged(seekBar: SeekBar?, progress: Int, fromUser: Boolean) {
+                sliderR1Value = progress
+                val val_text = getString(R.string.r_slider_text, 1, progress)
+                sliderR1ValueText.text = val_text
+            }
+
+            override fun onStartTrackingTouch(seekBar: SeekBar?) {}
+
+            override fun onStopTrackingTouch(seekBar: SeekBar?) {
+
+            }
+        })
+
+        sliderR2.setOnSeekBarChangeListener(object : SeekBar.OnSeekBarChangeListener {
+            override fun onProgressChanged(seekBar: SeekBar?, progress: Int, fromUser: Boolean) {
+                sliderR2Value = progress
+                val val_text = getString(R.string.r_slider_text, 2, progress)
+                sliderR2ValueText.text = val_text
+            }
+
+            override fun onStartTrackingTouch(seekBar: SeekBar?) {}
+
+            override fun onStopTrackingTouch(seekBar: SeekBar?) {
+
+            }
+        })
+
+        sliderR3.setOnSeekBarChangeListener(object : SeekBar.OnSeekBarChangeListener {
+            override fun onProgressChanged(seekBar: SeekBar?, progress: Int, fromUser: Boolean) {
+                sliderR3Value = progress
+                val val_text = getString(R.string.r_slider_text, 3, progress)
+                sliderR3ValueText.text = val_text
+            }
+
+            override fun onStartTrackingTouch(seekBar: SeekBar?) {}
+
+            override fun onStopTrackingTouch(seekBar: SeekBar?) {
+
+            }
+        })
+    }
+}

app/src/main/java/com/listerk/helible/MainActivity.kt

@@ -1,67 +1,74 @@
 package com.listerk.helible
 
+import android.Manifest
+import android.bluetooth.BluetoothAdapter
+import android.bluetooth.BluetoothManager
+import android.bluetooth.le.BluetoothLeScanner
+import android.bluetooth.le.ScanCallback
+import android.bluetooth.le.ScanResult
+import android.content.Context
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.os.Build
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
-import android.widget.SeekBar
-import android.widget.TextView
+import android.os.Handler
+import android.util.Log
+import android.widget.Button
+import androidx.annotation.RequiresApi
+import androidx.core.app.ActivityCompat
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
 
 class MainActivity : AppCompatActivity() {
+    private val bluetoothAdapter: BluetoothAdapter by lazy {
+        val bluetoothManager = getSystemService(Context.BLUETOOTH_SERVICE) as BluetoothManager
+        bluetoothManager.adapter
+    }
+    private val bleScanner: BluetoothLeScanner by lazy {
+        bluetoothAdapter.bluetoothLeScanner
+    }
+
+    private val foundDevices = mutableListOf<BleDevice>()
+
+    private val leScanCallback: ScanCallback = object : ScanCallback() {
+        override fun onScanResult(callbackType: Int, result: ScanResult) {
+            super.onScanResult(callbackType, result)
+            val bleDevicesView = findViewById<RecyclerView>(R.id.bleDevicesView)
+            if (result.device.name.isNullOrBlank()) {
+                return
+            }
+            val deviceExists = foundDevices.any { it.address == result.device.address }
+            if (!deviceExists) {
+                foundDevices.add(BleDevice(result.device.name, result.device.address, result.rssi))
+                bleDevicesView.adapter?.notifyItemChanged(foundDevices.size - 1)
+            }
+        }
+    }
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
 
-        var sliderR1Value = 0
-        var sliderR2Value = 0
-        var sliderR3Value = 0
-
-        val sliderR1ValueText = findViewById<TextView>(R.id.sliderR1Value)
-        val sliderR2ValueText = findViewById<TextView>(R.id.sliderR2Value)
-        val sliderR3ValueText = findViewById<TextView>(R.id.sliderR3Value)
-
-        val sliderR1 = findViewById<SeekBar>(R.id.sliderR1)
-        val sliderR2 = findViewById<SeekBar>(R.id.sliderR2)
-        val sliderR3 = findViewById<SeekBar>(R.id.sliderR3)
-
-        sliderR1.setOnSeekBarChangeListener(object : SeekBar.OnSeekBarChangeListener {
-            override fun onProgressChanged(seekBar: SeekBar?, progress: Int, fromUser: Boolean) {
-                sliderR1Value = progress
-                val val_text = getString(R.string.r_slider_text, 1, progress)
-                sliderR1ValueText.text = val_text
+        val gotoControlButton = findViewById<Button>(R.id.gotoControlButton)
+        gotoControlButton.setOnClickListener {
+            val intent = Intent(this@MainActivity, ControlActivity::class.java)
+            startActivity(intent)
         }
 
-            override fun onStartTrackingTouch(seekBar: SeekBar?) {}
+        val bleDevicesView = findViewById<RecyclerView>(R.id.bleDevicesView)
+        bleDevicesView.layoutManager = LinearLayoutManager(this)
+        bleDevicesView.adapter = BleDeviceAdapter(foundDevices, gotoControlButton)
 
-            override fun onStopTrackingTouch(seekBar: SeekBar?) {
-
-            }
-        })
-
-        sliderR2.setOnSeekBarChangeListener(object : SeekBar.OnSeekBarChangeListener {
-            override fun onProgressChanged(seekBar: SeekBar?, progress: Int, fromUser: Boolean) {
-                sliderR2Value = progress
-                val val_text = getString(R.string.r_slider_text, 2, progress)
-                sliderR2ValueText.text = val_text
+        bleScanner.startScan(leScanCallback)
     }
 
-            override fun onStartTrackingTouch(seekBar: SeekBar?) {}
-
-            override fun onStopTrackingTouch(seekBar: SeekBar?) {
-
+    override fun onResume() {
+        super.onResume()
+        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED || ActivityCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_SCAN) != PackageManager.PERMISSION_GRANTED) {
+            ActivityCompat.requestPermissions(this@MainActivity, arrayOf(Manifest.permission.BLUETOOTH_SCAN, Manifest.permission.BLUETOOTH_CONNECT), 1)
         }
-        })
-
-        sliderR3.setOnSeekBarChangeListener(object : SeekBar.OnSeekBarChangeListener {
-            override fun onProgressChanged(seekBar: SeekBar?, progress: Int, fromUser: Boolean) {
-                sliderR3Value = progress
-                val val_text = getString(R.string.r_slider_text, 3, progress)
-                sliderR3ValueText.text = val_text
     }
 
-            override fun onStartTrackingTouch(seekBar: SeekBar?) {}
 
-            override fun onStopTrackingTouch(seekBar: SeekBar?) {
-
-            }
-        })
-    }
 }

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

@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+    <TextView
+        android:id="@+id/helloText"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Hello helicopter!"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <SeekBar
+        android:id="@+id/sliderR1"
+        android:layout_width="300dp"
+        android:layout_height="wrap_content"
+        android:max="65535"
+        app:layout_constraintTop_toBottomOf="@+id/helloText"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <TextView
+        android:id="@+id/sliderR1Value"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="R1: 0 / 65536"
+        app:layout_constraintTop_toBottomOf="@+id/sliderR1"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <SeekBar
+        android:id="@+id/sliderR2"
+        android:layout_width="300dp"
+        android:layout_height="wrap_content"
+        android:max="65535"
+        app:layout_constraintTop_toBottomOf="@+id/sliderR1Value"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <TextView
+        android:id="@+id/sliderR2Value"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="R2: 0 / 65536"
+        app:layout_constraintTop_toBottomOf="@+id/sliderR2"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <SeekBar
+        android:id="@+id/sliderR3"
+        android:layout_width="300dp"
+        android:layout_height="wrap_content"
+        android:max="65535"
+        app:layout_constraintTop_toBottomOf="@+id/sliderR2Value"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <TextView
+        android:id="@+id/sliderR3Value"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="R3: 0 / 65536"
+        app:layout_constraintTop_toBottomOf="@+id/sliderR3"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -4,70 +4,37 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".MainActivity">
+    tools:context=".ControlActivity">
 
     <TextView
-        android:id="@+id/helloText"
+        android:id="@+id/devicesTitle"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Hello helicopter!"
-        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        android:layout_marginTop="12dp"
+        android:textSize="24sp"
+        android:textStyle="bold"
+        android:text="Устройства" />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/bleDevicesView"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toBottomOf="@id/devicesTitle"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        tools:listitem="@layout/item_ble_device" />
+
+    <Button
+        android:id="@+id/gotoControlButton"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Далее"
+        android:enabled="false"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-
-    <SeekBar
-        android:id="@+id/sliderR1"
-        android:layout_width="300dp"
-        android:layout_height="wrap_content"
-        android:max="65535"
-        app:layout_constraintTop_toBottomOf="@+id/helloText"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent" />
-
-    <TextView
-        android:id="@+id/sliderR1Value"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="R1: 0 / 65536"
-        app:layout_constraintTop_toBottomOf="@+id/sliderR1"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent" />
-
-    <SeekBar
-        android:id="@+id/sliderR2"
-        android:layout_width="300dp"
-        android:layout_height="wrap_content"
-        android:max="65535"
-        app:layout_constraintTop_toBottomOf="@+id/sliderR1Value"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent" />
-
-    <TextView
-        android:id="@+id/sliderR2Value"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="R2: 0 / 65536"
-        app:layout_constraintTop_toBottomOf="@+id/sliderR2"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent" />
-
-    <SeekBar
-        android:id="@+id/sliderR3"
-        android:layout_width="300dp"
-        android:layout_height="wrap_content"
-        android:max="65535"
-        app:layout_constraintTop_toBottomOf="@+id/sliderR2Value"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent" />
-
-    <TextView
-        android:id="@+id/sliderR3Value"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="R3: 0 / 65536"
-        app:layout_constraintTop_toBottomOf="@+id/sliderR3"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent" />
+        app:layout_constraintBottom_toBottomOf="parent" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingHorizontal="12dp"
+    android:paddingVertical="4dp">
+
+    <TextView
+        android:id="@+id/deviceName"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        android:textSize="18sp"
+        android:text="Helicopter BLE" />
+
+    <TextView
+        android:id="@+id/deviceAddress"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/deviceName"
+        android:textSize="14sp"
+        android:text="C3:7A:F4:6E:2F:D6" />
+
+    <TextView
+        android:id="@+id/deviceRssi"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        android:textSize="16sp"
+        android:text="-70" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>