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Feat/headless receiver #67

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Feat/headless receiver #67

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56ffbdd
added null check
pstromberg98 Aug 20, 2024
6d4c981
added headless receiver
pstromberg98 Aug 31, 2024
28fafbc
fix incorrect handle key
pstromberg98 Aug 31, 2024
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210 changes: 210 additions & 0 deletions android/src/main/java/io/radar/flutter/RadarFlutterHeadlessReceiver.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,210 @@
package io.radar.flutter;

import io.flutter.embedding.engine.FlutterEngine;
import io.flutter.embedding.engine.plugins.FlutterPlugin;
import io.flutter.embedding.engine.plugins.activity.ActivityAware;
import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding;
import io.flutter.plugin.common.BinaryMessenger;
import io.flutter.plugin.common.EventChannel;
import io.flutter.plugin.common.MethodCall;
import io.flutter.plugin.common.MethodChannel;
import io.flutter.plugin.common.MethodChannel.MethodCallHandler;
import io.flutter.plugin.common.MethodChannel.Result;
import io.flutter.plugin.common.PluginRegistry;
import io.flutter.plugin.common.PluginRegistry.RequestPermissionsResultListener;
import io.flutter.plugin.common.PluginRegistry.Registrar;
import io.flutter.view.FlutterMain;

import java.util.ArrayList;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Random;

import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.location.Location;
import android.os.Build;
import android.os.Looper;
import android.os.Handler;
import android.util.Log;

import com.google.gson.Gson;

import org.json.JSONException;
import org.json.JSONObject;
import org.jetbrains.annotations.Nullable;

import io.radar.sdk.Radar;
import io.radar.sdk.RadarState;
import io.radar.sdk.RadarReceiver;
import io.radar.sdk.RadarVerifiedReceiver;
import io.radar.sdk.RadarNotificationOptions;
import io.radar.sdk.RadarTrackingOptions;
import io.radar.sdk.RadarTripOptions;
import io.radar.sdk.model.RadarAddress;
import io.radar.sdk.model.RadarContext;
import io.radar.sdk.model.RadarEvent;
import io.radar.sdk.model.RadarGeofence;
import io.radar.sdk.model.RadarPlace;
import io.radar.sdk.model.RadarRoutes;
import io.radar.sdk.model.RadarUser;
import io.radar.sdk.model.RadarTrip;
import io.radar.sdk.model.RadarRouteMatrix;
import io.radar.sdk.RadarTrackingOptions.RadarTrackingOptionsForegroundService;
import io.radar.sdk.model.RadarVerifiedLocationToken;

import android.app.Notification;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import androidx.core.app.NotificationCompat;
import androidx.core.app.NotificationManagerCompat;

import io.flutter.embedding.engine.dart.DartExecutor;
import io.flutter.embedding.engine.dart.DartExecutor.DartCallback;

import io.flutter.view.FlutterNativeView;
import io.flutter.view.FlutterRunArguments;
import io.flutter.view.FlutterCallbackInformation;

public class RadarFlutterHeadlessReceiver extends RadarReceiver {
private FlutterEngine sBackgroundFlutterEngine;
private MethodChannel sBackgroundChannel;

private static final Object lock = new Object();
private static final String TAG = "RadarFlutterPersistentReceiver";
private static final String CALLBACK_DISPATCHER_HANDLE_KEY = "callbackDispatcherHandle";
private static final String HEADLESS_EVENT_CALLBACK_HANDLE_KEY = "headlessEventCallbackHandle";

public RadarFlutterHeadlessReceiver(Context context) {
notification(context, "Initializing");
initializeBackgroundEngine(context);
}

public static void storeHandles(
Context context,
Long headlessEventCallbackHandle,
Long callbackDispatcherHandle
) {
SharedPreferences.Editor editor = context.getSharedPreferences(TAG, Context.MODE_PRIVATE).edit();
editor.putLong(HEADLESS_EVENT_CALLBACK_HANDLE_KEY, headlessEventCallbackHandle);
editor.putLong(CALLBACK_DISPATCHER_HANDLE_KEY, callbackDispatcherHandle);
editor.apply();
}

public void onClientLocationUpdated(Context context, Location location, boolean stopped,
Radar.RadarLocationSource source) {
try {
JSONObject obj = new JSONObject();
obj.put("location", Radar.jsonForLocation(location));
obj.put("stopped", stopped);
obj.put("source", source.toString());

JSONObject motionActivityJson = RadarState.getLastMotionActivity(context);
if (motionActivityJson != null) {
obj.put("activity", motionActivityJson.get("type"));
}

HashMap<String, Object> res = new Gson().fromJson(obj.toString(), HashMap.class);

SharedPreferences sharedPrefs = context.getSharedPreferences(TAG, Context.MODE_PRIVATE);
Long headlessEventHandlerHandle = sharedPrefs.getLong(HEADLESS_EVENT_CALLBACK_HANDLE_KEY, 0);
// notification(context, "Attempting");
if (headlessEventHandlerHandle == 0L) {
// notification(context, "Failed: " + headlessEventHandlerHandle.toString());
return;
}

final ArrayList clientLocationArgs = new ArrayList();
clientLocationArgs.add(headlessEventHandlerHandle);
clientLocationArgs.add(res);
synchronized (lock) {
runOnMainThread(new Runnable() {
@Override
public void run() {
sBackgroundChannel.invokeMethod("", clientLocationArgs);
}
});
}
} catch (Exception e) {
Log.e(TAG, e.toString());
}
}

@Override
public void onEventsReceived(Context context, RadarEvent[] events, RadarUser user) {
}

@Override
public void onLocationUpdated(Context context, Location location, RadarUser user) {
}

@Override
public void onError(Context context, Radar.RadarStatus status) {
}

@Override
public void onLog(Context context, String message) {
}

private void initializeBackgroundEngine(Context context) {
if (this.sBackgroundFlutterEngine == null) {
FlutterMain.startInitialization(context.getApplicationContext());
FlutterMain.ensureInitializationComplete(context.getApplicationContext(), null);

SharedPreferences sharedPrefs = context.getSharedPreferences(TAG, Context.MODE_PRIVATE);
long callbackDispatcherHandle = sharedPrefs.getLong(CALLBACK_DISPATCHER_HANDLE_KEY, 0);
if (callbackDispatcherHandle == 0) {
notification(context, "Failed to initialize");
Log.e(TAG, "Error looking up callback dispatcher handle");
return;
}

FlutterCallbackInformation callbackInfo = FlutterCallbackInformation
.lookupCallbackInformation(callbackDispatcherHandle);
sBackgroundFlutterEngine = new FlutterEngine(context.getApplicationContext());

DartCallback callback = new DartCallback(context.getAssets(), FlutterMain.findAppBundlePath(context),
callbackInfo);
sBackgroundFlutterEngine.getDartExecutor().executeDartCallback(callback);
sBackgroundChannel = new MethodChannel(sBackgroundFlutterEngine.getDartExecutor().getBinaryMessenger(),
"flutter_radar_background");
}
}

private static void runOnMainThread(final Runnable runnable) {
Handler handler = new Handler(Looper.getMainLooper());
handler.post(runnable);
}

private void notification(Context context, String message) {
NotificationManagerCompat manager = NotificationManagerCompat.from(context);
NotificationChannel mChannel = new NotificationChannel("debug_channel", "debug chanenl", // name of the
// channel
NotificationManager.IMPORTANCE_MAX); // importance level
// Configure the notification channel.
mChannel.setDescription("blah");
mChannel.enableLights(true);
// Sets the notification light color for notifications posted to this channel,
// if the device supports this feature.
mChannel.enableVibration(true);
mChannel.setShowBadge(true);
mChannel.setVibrationPattern(new long[] { 100, 200, 300, 400, 500, 400, 300, 200, 400 });
manager.createNotificationChannel(mChannel);

int id = context.getResources().getIdentifier("ic_notification", "drawable", "com.dmp.gather");
NotificationCompat.Builder builder = new NotificationCompat.Builder(context,
"debug_channel")
.setSmallIcon(id)
.setContentTitle(message)
.setContentText(message)
.setPriority(NotificationCompat.PRIORITY_MAX)
// .setImportance(NotificationCompat.IMPORTANCE_MAX)
.setVisibility(NotificationCompat.VISIBILITY_PUBLIC);
manager.notify(new Random().nextInt(10000), builder.build());
}
}
31 changes: 30 additions & 1 deletion android/src/main/java/io/radar/flutter/RadarFlutterPlugin.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,7 @@
package io.radar.flutter;

import io.radar.flutter.RadarFlutterHeadlessReceiver;

import android.Manifest;
import androidx.annotation.NonNull;
import androidx.core.app.ActivityCompat;
Expand Down Expand Up @@ -43,6 +45,7 @@
import io.flutter.view.FlutterMain;

import io.radar.sdk.Radar;
import io.radar.sdk.RadarState;
import io.radar.sdk.RadarReceiver;
import io.radar.sdk.RadarVerifiedReceiver;
import io.radar.sdk.RadarNotificationOptions;
Expand Down Expand Up @@ -73,7 +76,6 @@ public class RadarFlutterPlugin implements FlutterPlugin, ActivityAware, Request
private static Context mContext;

private static final String TAG = "RadarFlutterPlugin";
private static final String CALLBACK_DISPATCHER_HANDLE_KEY = "callbackDispatcherHandle";
private static MethodChannel channel;
private static RadarMethodCallHandler callHandler;

Expand Down Expand Up @@ -277,6 +279,9 @@ public void onMethodCall(@NonNull MethodCall call, @NonNull final Result result)
case "validateAddress":
validateAddress(call, result);
break;
case "registerHeadlessCallback":
registerHeadlessCallback(call, result);
break;
default:
result.notImplemented();
break;
Expand All @@ -299,6 +304,21 @@ private static void initialize(MethodCall call, Result result) {
result.success(true);
}

private static void registerHeadlessCallback(MethodCall call, Result result) {
HashMap optionsMap = (HashMap)call.arguments;
Long callbackHandle = (Long)optionsMap.get("headlessEventCallbackHandle");
Long dispatchHandle = (Long)optionsMap.get("callbackDispatcherHandle");
if (callbackHandle != null) {
Radar.setHeadlessReceiver(RadarFlutterHeadlessReceiver.class);
RadarFlutterHeadlessReceiver.storeHandles(mContext, callbackHandle, dispatchHandle);
} else {
Radar.clearHeadlessReceiver();
RadarFlutterHeadlessReceiver.storeHandles(mContext, null, null);
}

result.success(true);
}

private static void setNotificationOptions(MethodCall call, Result result) {
HashMap notificationOptionsMap = (HashMap)call.arguments;
JSONObject notificationOptionsJson = new JSONObject(notificationOptionsMap);
Expand Down Expand Up @@ -1221,6 +1241,9 @@ public void run() {
}

private static Location locationForMap(HashMap locationMap) {
if (locationMap == null) {
return null;
}
double latitude = (Double)locationMap.get("latitude");
double longitude = (Double)locationMap.get("longitude");
Location location = new Location("RadarSDK");
Expand Down Expand Up @@ -1313,6 +1336,11 @@ public void onClientLocationUpdated(Context context, Location location, boolean
obj.put("stopped", stopped);
obj.put("source", source.toString());

JSONObject motionActivityJson = RadarState.getLastMotionActivity(context);
if (motionActivityJson != null) {
obj.put("activity", motionActivityJson.get("type"));
}

HashMap<String, Object> res = new Gson().fromJson(obj.toString(), HashMap.class);

final ArrayList clientLocationArgs = new ArrayList();
Expand Down Expand Up @@ -1414,3 +1442,4 @@ public void run() {
}

};

8 changes: 8 additions & 0 deletions lib/flutter_radar.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ typedef ErrorCallback = void Function(Map<dynamic, dynamic> errorEvent);
typedef LogCallback = void Function(Map<dynamic, dynamic> logEvent);
typedef EventsCallback = void Function(Map<dynamic, dynamic> eventsEvent);
typedef TokenCallback = void Function(Map<dynamic, dynamic> tokenEvent);
typedef HeadlessEventCallback = void Function(Map<dynamic, dynamic> headlessEvent);

class Radar {
static const MethodChannel _channel = const MethodChannel('flutter_radar');
Expand Down Expand Up @@ -519,6 +520,13 @@ class Radar {
}
}

static Future<void> registerHeadlessCallback(HeadlessEventCallback? callback) async {
return await _channel.invokeMethod('registerHeadlessCallback', {
'headlessEventCallbackHandle': callback != null ? PluginUtilities.getCallbackHandle(callback)?.toRawHandle() : null,
'callbackDispatcherHandle': PluginUtilities.getCallbackHandle(callbackDispatcher)?.toRawHandle(),
});
}

static onLocation(LocationCallback callback) {
if (foregroundLocationCallback != null) {
throw RadarExistingCallbackException();
Expand Down
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