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NotificationPermissionsPlugin.java
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NotificationPermissionsPlugin.java
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package com.vanethos.notification_permissions;
import android.app.Activity;
import android.content.Context;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
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.MethodChannel;
public class NotificationPermissionsPlugin implements FlutterPlugin, ActivityAware {
@SuppressWarnings("deprecation")
public static void registerWith(io.flutter.plugin.common.PluginRegistry.Registrar registrar) {
final NotificationPermissionsPlugin plugin = new NotificationPermissionsPlugin();
plugin.onAttachedToEngine(registrar.context(), registrar.messenger());
if (registrar.activity() != null) {
plugin.onActivityChanged(registrar.activity());
}
}
@Nullable
private MethodChannel channel;
@Nullable
private MethodCallHandlerImpl methodCallHandler;
@Override
public void onAttachedToEngine(@NonNull FlutterPluginBinding binding) {
onAttachedToEngine(binding.getApplicationContext(), binding.getBinaryMessenger());
}
@Override
public void onDetachedFromEngine(@NonNull FlutterPluginBinding binding) {
if (channel != null) {
channel.setMethodCallHandler(null);
}
channel = null;
}
private void onAttachedToEngine(Context applicationContext, BinaryMessenger messenger) {
channel = new MethodChannel(messenger, "notification_permissions");
methodCallHandler = new MethodCallHandlerImpl(applicationContext);
channel.setMethodCallHandler(methodCallHandler);
}
@Override
public void onAttachedToActivity(@NonNull ActivityPluginBinding binding) {
onActivityChanged(binding.getActivity());
}
@Override
public void onDetachedFromActivityForConfigChanges() {
onActivityChanged(null);
}
@Override
public void onReattachedToActivityForConfigChanges(@NonNull ActivityPluginBinding binding) {
onActivityChanged(binding.getActivity());
}
@Override
public void onDetachedFromActivity() {
onActivityChanged(null);
}
private void onActivityChanged(@Nullable Activity activity) {
if (methodCallHandler != null) {
methodCallHandler.setActivity(activity);
}
}
}