public async static void DeleteBarrier(Context context, params PendingIntent[] pendingIntents)
{
string MethodName = "UpdateBarriers";
BarrierUpdateRequest.Builder builder = new BarrierUpdateRequest.Builder();
foreach (PendingIntent pendingIntent in pendingIntents)
{
builder.DeleteBarrier(pendingIntent);
}
var barrierTask = Awareness.GetBarrierClient(context).UpdateBarriersAsync(builder.Build());
try
{
await barrierTask;
if (barrierTask.IsCompleted)
{
string logMessage = "Delete barrier success";
ShowToast(context, logMessage);
Log.Info(MethodName, logMessage);
}
else
{
string logMessage = "Delete barrier failed";
ShowToast(context, logMessage);
Log.Error(MethodName, logMessage, barrierTask.Exception);
}
}
catch (Exception ex)
{
string logMessage = "Delete barrier failed";
ShowToast(context, logMessage);
Log.Error(MethodName, logMessage, ex);
}
}
public async static void BatchBarrier(Context context, BarrierUpdateRequest.Builder builder)
{
string MethodName = "UpdateBarriers";
var barrierTask = Awareness.GetBarrierClient(context).UpdateBarriersAsync(builder.Build());
try
{
await barrierTask;
if (barrierTask.IsCompleted)
{
string logMessage = "Batch barrier success";
ShowToast(context, logMessage);
Log.Info(MethodName, logMessage);
}
else
{
string logMessage = "Batch barrier failed";
ShowToast(context, logMessage);
Log.Error(MethodName, logMessage, barrierTask.Exception);
}
}
catch (Exception ex)
{
string logMessage = "Batch barrier failed";
ShowToast(context, logMessage);
Log.Error(MethodName, logMessage, ex);
}
}
public async static void AddBarrier(Context context, string label, AwarenessBarrier barrier, PendingIntent pendingIntent)
{
string MethodName = "UpdateBarriers";
BarrierUpdateRequest.Builder builder = new BarrierUpdateRequest.Builder();
// When the status of the registered barrier changes, pendingIntent is triggered.
// label is used to uniquely identify the barrier. You can query a barrier by label and delete it.
BarrierUpdateRequest request = builder.AddBarrier(label, barrier, pendingIntent).Build();
var barrierTask = Awareness.GetBarrierClient(context).UpdateBarriersAsync(request);
try
{
await barrierTask;
if (barrierTask.IsCompleted)
{
string logMessage = "Add barrier success";
ShowToast(context, logMessage);
Log.Info(MethodName, logMessage);
}
else
{
string logMessage = "Add barrier failed";
ShowToast(context, logMessage);
Log.Error(MethodName, logMessage, barrierTask.Exception);
}
}
catch (Exception ex)
{
string logMessage = "Add barrier failed";
ShowToast(context, logMessage);
Log.Error(MethodName, logMessage, ex);
}
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
Xamarin.Essentials.Platform.Init(this, savedInstanceState);
SetContentView(Resource.Layout.activity_main);
InitializeButtons();
log = new Logger(FindViewById <LinearLayout>(Resource.Id.ll_log), FindViewById <ScrollView>(Resource.Id.sv_log), this);
Awareness.GetBarrierClient(this).EnableUpdateWindow(true);
QueryDeviceSupportingCapabilities();
CheckAndRequestPermissions();
}
public async static void QueryBarrier(Context context, params string[] labels)
{
string MethodName = "QueryBarrier";
BarrierQueryRequest request = BarrierQueryRequest.ForBarriers(labels);
var barrierTask = Awareness.GetBarrierClient(context).QueryBarriersAsync(request);
try
{
await barrierTask;
if (barrierTask.IsCompleted)
{
IBarrierStatusMap statusMap = barrierTask.Result.BarrierStatusMap;
string barrierLabel = "target barrier label";
BarrierStatus barrierStatus = statusMap.GetBarrierStatus(barrierLabel);
if (barrierStatus != null)
{
string logMessage = $"Target barrier status is {barrierStatus.PresentStatus}";
ShowToast(context, logMessage);
Log.Info(MethodName, logMessage);
}
else
{
Log.Info(MethodName, $"{MethodName} is success but there is no barrier.");
}
}
else
{
string logMessage = "Query barrier failed";
ShowToast(context, logMessage);
Log.Error(MethodName, logMessage, barrierTask.Exception);
}
}
catch (Exception ex)
{
string logMessage = "Query barrier failed";
ShowToast(context, logMessage);
Log.Error(MethodName, logMessage, ex.Message);
}
}