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update

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master
Zhengyu Peng 3 years ago
parent eda367239a
commit f66554b603
3 changed files with 123 additions and 105 deletions
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184
software/android/app/src/main/java/com/rookiedev/hexapod/DeviceListActivity.kt
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@ -2,49 +2,74 @@ package com.rookiedev.hexapod
import android.annotation.SuppressLint
import android.app.Activity
import android.bluetooth.BluetoothAdapter
import android.bluetooth.BluetoothDevice
import android.bluetooth.BluetoothManager
import android.content.BroadcastReceiver
import android.content.Context
import android.content.Intent
import android.content.IntentFilter
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.Window
import android.view.ViewGroup
import android.widget.AdapterView.OnItemClickListener
import android.widget.ArrayAdapter
import android.widget.Button
import android.widget.ImageView
import android.widget.ListView
import android.widget.TextView
/**
* This Activity appears as a dialog. It lists any paired devices and
* devices detected in the area after discovery. When a device is chosen
* by the user, the MAC address of the device is sent back to the parent
* Activity in the result Intent.
*/
class BluetoothAdapter(mContext: Context?, private val devices: ArrayList<BluetoothDevice>) :
ArrayAdapter<BluetoothDevice?>(mContext!!, 0, devices as List<BluetoothDevice?>) {
@SuppressLint("MissingPermission")
override fun getView(position: Int, convertView: View?, parent: ViewGroup): View {
// Get the data item for this position
var cView = convertView
val device: BluetoothDevice? = getItem(position)
// Check if an existing view is being reused, otherwise inflate the view
if (cView == null) {
cView = LayoutInflater.from(context).inflate(R.layout.device_list, parent, false)
}
// Lookup view for data population
// cView!!.isClickable = true
val textDeviceName = cView!!.findViewById<TextView>(R.id.list_device_name)
val textDeviceAddress = cView.findViewById<TextView>(R.id.list_device_address)
val bluetoothIcon = cView.findViewById<ImageView>(R.id.bluetooth_icon)
bluetoothIcon.setImageResource(R.drawable.ic_baseline_bluetooth_24)
// Populate the data into the template view using the data object
textDeviceName.text = device!!.name
textDeviceAddress.text = device.address
// Return the completed view to render on screen
return cView
}
override fun getCount(): Int {
return devices.size
}
override fun getItem(arg0: Int): BluetoothDevice {
return devices[arg0]
}
override fun getItemId(arg0: Int): Long {
return arg0.toLong()
}
}
class DeviceListActivity : Activity() {
/**
* Member fields
*/
private var mBtAdapter: BluetoothAdapter? = null
private var mContext: Context? = null
private var bluetoothManager: BluetoothManager? = null
/**
* Newly discovered devices
*/
private var mNewDevicesArrayAdapter: ArrayAdapter<String>? = null
@SuppressLint("MissingPermission")
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
// Setup the window
// requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS)
setContentView(R.layout.activity_device_list)
mContext = applicationContext
@ -54,26 +79,11 @@ class DeviceListActivity : Activity() {
// Initialize array adapters. One for already paired devices and
// one for newly discovered devices
val pairedDevicesArrayAdapter = ArrayAdapter<String>(this, R.layout.device_name)
mNewDevicesArrayAdapter = ArrayAdapter(this, R.layout.device_name)
val pairedDevicesArrayAdapter = ArrayAdapter<String>(this, R.layout.device_list)
// val bluetoothAdapter = BluetoothAdapter(this, R.layout.device_list, )
// Find and set up the ListView for paired devices
val pairedListView: ListView = findViewById<ListView>(R.id.paired_devices)
pairedListView.adapter = pairedDevicesArrayAdapter
pairedListView.onItemClickListener = mDeviceClickListener
// Find and set up the ListView for newly discovered devices
// val newDevicesListView: ListView = findViewById(R.id.new_devices)
// newDevicesListView.adapter = mNewDevicesArrayAdapter
// newDevicesListView.onItemClickListener = mDeviceClickListener
// Register for broadcasts when a device is discovered
// var filter = IntentFilter(BluetoothDevice.ACTION_FOUND)
// this.registerReceiver(mReceiver, filter)
// Register for broadcasts when discovery has finished
// filter = IntentFilter(BluetoothAdapter.ACTION_DISCOVERY_FINISHED)
// this.registerReceiver(mReceiver, filter)
// Get the local Bluetooth adapter
bluetoothManager =
@ -83,35 +93,30 @@ class DeviceListActivity : Activity() {
// Get a set of currently paired devices
val pairedDevices: Set<BluetoothDevice> = bluetoothManager!!.adapter.bondedDevices
// If there are paired devices, add each one to the ArrayAdapter
if (pairedDevices.isNotEmpty()) {
findViewById<View>(R.id.title_paired_devices).visibility = View.VISIBLE
for (device in pairedDevices) {
pairedDevicesArrayAdapter.add(
"""
${device.name}
${device.address}
""".trimIndent()
)
}
} else {
val noDevices = "No device"
pairedDevicesArrayAdapter.add(noDevices)
}
}
@SuppressLint("MissingPermission")
override fun onDestroy() {
super.onDestroy()
// Make sure we're not doing discovery anymore
// if (mBtAdapter != null) {
// mBtAdapter!!.cancelDiscovery()
val deviceList: ArrayList<BluetoothDevice> = ArrayList(pairedDevices)
val bluetoothAdapter = BluetoothAdapter(this, deviceList)
// // If there are paired devices, add each one to the ArrayAdapter
// if (pairedDevices.isNotEmpty()) {
// for (device in pairedDevices) {
//
// pairedDevicesArrayAdapter.add(
// """
// ${device.name}
// ${device.address}
// """.trimIndent()
// )
// }
// } else {
// val noDevices = "No device"
// pairedDevicesArrayAdapter.add(noDevices)
// }
// bluetoothManager!!.adapter.cancelDiscovery()
// Unregister broadcast listeners
// unregisterReceiver(mReceiver)
// Find and set up the ListView for paired devices
val pairedListView: ListView = findViewById<ListView>(R.id.paired_devices)
pairedListView.adapter = bluetoothAdapter
pairedListView.onItemClickListener = mDeviceClickListener
}
/**
@ -119,56 +124,28 @@ class DeviceListActivity : Activity() {
*/
@SuppressLint("MissingPermission")
private val mDeviceClickListener =
OnItemClickListener { av, v, arg2, arg3 -> // Cancel discovery because it's costly and we're about to connect
// bluetoothManager!!.adapter.cancelDiscovery()
OnItemClickListener { av, v, arg2, arg3 ->
// Get the device MAC address, which is the last 17 chars in the View
val info = (v as TextView).text.toString()
val address = info.substring(info.length - 17)
val device: BluetoothDevice = av.getItemAtPosition(arg2) as BluetoothDevice
println(device.name)
println(device.address)
// Create the result Intent and include the MAC address
val intent = Intent()
intent.putExtra(EXTRA_DEVICE_ADDRESS, address)
intent.putExtra(EXTRA_DEVICE_ADDRESS, device.address)
intent.putExtra(EXTRA_DEVICE_NAME, device.name)
// Set result and finish this Activity
setResult(RESULT_OK, intent)
println("selected")
finish()
}
/**
* The BroadcastReceiver that listens for discovered devices and changes the title when
* discovery is finished
*/
private val mReceiver: BroadcastReceiver = object : BroadcastReceiver() {
@SuppressLint("MissingPermission")
override fun onReceive(context: Context?, intent: Intent) {
val action = intent.action
// When discovery finds a device
if (BluetoothDevice.ACTION_FOUND == action) {
// Get the BluetoothDevice object from the Intent
val device =
intent.getParcelableExtra<BluetoothDevice>(BluetoothDevice.EXTRA_DEVICE)
// If it's already paired, skip it, because it's been listed already
if (device != null && device.bondState != BluetoothDevice.BOND_BONDED) {
mNewDevicesArrayAdapter!!.add(
"""
${device.name}
${device.address}
""".trimIndent()
)
}
// When discovery is finished, change the Activity title
// } else if (BluetoothAdapter.ACTION_DISCOVERY_FINISHED == action) {
// setProgressBarIndeterminateVisibility(false)
// setTitle(R.string.select_device)
// if (mNewDevicesArrayAdapter!!.count == 0) {
// val noDevices = resources.getText(R.string.none_found).toString()
// mNewDevicesArrayAdapter!!.add(noDevices)
// }
}
}
}
companion object {
/**
@ -180,5 +157,6 @@ class DeviceListActivity : Activity() {
* Return Intent extra
*/
var EXTRA_DEVICE_ADDRESS = "device_address"
var EXTRA_DEVICE_NAME = "device_name"
}
}

40
software/android/app/src/main/res/layout/device_list.xml
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@ -0,0 +1,40 @@
<?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"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="?android:attr/selectableItemBackground">
<ImageView
android:id="@+id/bluetooth_icon"
android:layout_width="64dp"
android:layout_height="64dp"
android:padding="16dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintEnd_toStartOf="@+id/list_device_name"
app:srcCompat="@drawable/ic_baseline_bluetooth_24" />
<TextView
android:id="@+id/list_device_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?attr/textAppearanceBody1"
android:text="TextView"
app:layout_constraintBottom_toTopOf="@+id/list_device_address"
app:layout_constraintStart_toEndOf="@+id/bluetooth_icon"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_chainStyle="packed" />
<TextView
android:id="@+id/list_device_address"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?attr/textAppearanceCaption"
android:text="TextView"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toEndOf="@+id/bluetooth_icon"
app:layout_constraintTop_toBottomOf="@+id/list_device_name" />
</androidx.constraintlayout.widget.ConstraintLayout>

4
software/android/app/src/main/res/layout/selected_device.xml
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@ -23,7 +23,7 @@
android:id="@+id/textView_device_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?attr/textAppearanceHeadline6"
android:textAppearance="?attr/textAppearanceBody1"
android:text="TextView"
app:layout_constraintBottom_toTopOf="@+id/textView_device_address"
app:layout_constraintStart_toEndOf="@+id/imageView"
@ -34,7 +34,7 @@
android:id="@+id/textView_device_address"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?attr/textAppearanceBody2"
android:textAppearance="?attr/textAppearanceCaption"
android:text="TextView"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toEndOf="@+id/imageView"

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