mirror of
https://github.com/inthehand/32feet.git
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Peter Freeman Foot
109 lines
3.6 KiB
C#
109 lines
3.6 KiB
C#
// 32feet.NET - Personal Area Networking for .NET
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//
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// InTheHand.Net.Bluetooth.BluetoothDevicePicker (Android)
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//
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// Copyright (c) 2018-2022 In The Hand Ltd, All rights reserved.
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// This source code is licensed under the MIT License
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using Android.App;
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using Android.Content;
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using Android.Content.PM;
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using Android.OS;
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using InTheHand.Net.Bluetooth.Droid;
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using InTheHand.Net.Sockets;
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using System.Threading;
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using System.Threading.Tasks;
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#if NET6_0_OR_GREATER
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using Microsoft.Maui.ApplicationModel;
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#else
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using Xamarin.Essentials;
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#endif
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namespace InTheHand.Net.Bluetooth
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{
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partial class BluetoothDevicePicker
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{
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internal static EventWaitHandle s_handle = new EventWaitHandle(false, EventResetMode.AutoReset);
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internal static BluetoothDevicePicker s_current;
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internal Android.Bluetooth.BluetoothDevice _device;
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private Task<BluetoothDeviceInfo> DoPickSingleDeviceAsync()
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{
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s_current = this;
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Intent i = new Intent(Platform.CurrentActivity, typeof(DevicePickerActivity));
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Platform.CurrentActivity.StartActivity(i);
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return Task.Run(() =>
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{
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s_handle.WaitOne();
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if (_device != null)
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{
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return Task.FromResult<BluetoothDeviceInfo>(_device);
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}
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else
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{
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return Task.FromResult<BluetoothDeviceInfo>(null);
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}
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});
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}
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[Activity(NoHistory = false, LaunchMode = LaunchMode.Multiple)]
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private sealed class DevicePickerActivity : Activity
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{
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protected override void OnCreate(Bundle savedInstanceState)
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{
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base.OnCreate(savedInstanceState);
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bool paired = false;
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int filterType = 0;
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if(s_current.ClassOfDevices.Count == 1)
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{
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var bcod = s_current.ClassOfDevices[0];
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switch (bcod.Service)
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{
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case ServiceClass.Audio:
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filterType = 1;
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break;
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case ServiceClass.ObjectTransfer:
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filterType = 2;
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break;
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case ServiceClass.Network:
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filterType = 3;
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break;
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}
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switch (bcod.MajorDevice)
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{
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case DeviceClass.AccessPointAvailable:
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filterType = 4;
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break;
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}
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}
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Intent i = new Intent("android.bluetooth.devicepicker.action.LAUNCH");
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i.PutExtra("android.bluetooth.devicepicker.extra.LAUNCH_PACKAGE", Application.Context.PackageName);
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i.PutExtra("android.bluetooth.devicepicker.extra.DEVICE_PICKER_LAUNCH_CLASS", Java.Lang.Class.FromType(typeof(BluetoothDevicePickerReceiver)).Name);
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i.PutExtra("android.bluetooth.devicepicker.extra.NEED_AUTH", paired);
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i.PutExtra("android.bluetooth.devicepicker.extra.FILTER_TYPE", filterType);
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Platform.CurrentActivity.StartActivityForResult(i, 1);
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}
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// set the handle when the picker has completed and return control straight back to the calling activity
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protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
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{
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base.OnActivityResult(requestCode, resultCode, data);
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Finish();
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}
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}
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}
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}
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