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daily-notification-plugin
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fix(plugin): resolve storage null reference issues 

- Add ensureStorageInitialized() helper method for null safety
- Add storage initialization checks to all plugin methods
- Fix null pointer exception in scheduleDailyNotification()
- Add storage initialization to getLastNotification()
- Add storage initialization to cancelAllNotifications()
- Add storage initialization to updateSettings()
- Add storage initialization to setAdaptiveScheduling()
- Add storage initialization to checkAndPerformRecovery()
- Improve exact alarm permission handling with proper Settings intent
- Add comprehensive error handling for storage operations

This resolves the 'Attempt to invoke virtual method on null object'
error that was occurring when plugin methods were called before
storage initialization completed.
master
Matthew Raymer 1 week ago
parent
c42814e60b
commit
4c4d306af2
1 changed files with 255 additions and 29 deletions
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  1. 284
      android/plugin/src/main/java/com/timesafari/dailynotification/DailyNotificationPlugin.java

284
android/plugin/src/main/java/com/timesafari/dailynotification/DailyNotificationPlugin.java
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@ -120,6 +120,9 @@ public class DailyNotificationPlugin extends Plugin {
scheduler = new DailyNotificationScheduler(getContext(), alarmManager);
fetcher = new DailyNotificationFetcher(getContext(), storage);
// Check if recovery is needed (app startup recovery)
checkAndPerformRecovery();
// Phase 1: Initialize TimeSafari Integration Components
eTagManager = new DailyNotificationETagManager(storage);
jwtManager = new DailyNotificationJWTManager(storage, eTagManager);
@ -453,6 +456,9 @@ public class DailyNotificationPlugin extends Plugin {
try {
Log.d(TAG, "Scheduling daily notification");
// Ensure storage is initialized
ensureStorageInitialized();
// Validate required parameters
String time = call.getString("time");
if (time == null || time.isEmpty()) {
@ -488,7 +494,8 @@ public class DailyNotificationPlugin extends Plugin {
String priority = call.getString("priority", "default");
String url = call.getString("url", "");
// Create notification content
// Create notification content with fresh fetch timestamp
// This represents content that was just fetched, so fetchedAt should be now
NotificationContent content = new NotificationContent();
content.setTitle(title);
content.setBody(body);
@ -496,6 +503,12 @@ public class DailyNotificationPlugin extends Plugin {
content.setPriority(priority);
content.setUrl(url);
content.setScheduledTime(calculateNextScheduledTime(hour, minute));
content.setScheduledAt(System.currentTimeMillis());
// Log the timestamps for debugging
Log.d(TAG, "Created notification content with fetchedAt=" + content.getFetchedAt() +
", scheduledAt=" + content.getScheduledAt() +
", scheduledTime=" + content.getScheduledTime());
// Store notification content
storage.saveNotificationContent(content);
@ -529,6 +542,9 @@ public class DailyNotificationPlugin extends Plugin {
try {
Log.d(TAG, "Getting last notification");
// Ensure storage is initialized
ensureStorageInitialized();
NotificationContent lastNotification = storage.getLastNotification();
if (lastNotification != null) {
@ -560,6 +576,9 @@ public class DailyNotificationPlugin extends Plugin {
try {
Log.d(TAG, "Cancelling all notifications");
// Ensure storage is initialized
ensureStorageInitialized();
scheduler.cancelAllNotifications();
storage.clearAllNotifications();
@ -621,6 +640,9 @@ public class DailyNotificationPlugin extends Plugin {
try {
Log.d(TAG, "Updating notification settings");
// Ensure storage is initialized
ensureStorageInitialized();
// Extract settings
Boolean sound = call.getBoolean("sound");
String priority = call.getString("priority");
@ -706,6 +728,9 @@ public class DailyNotificationPlugin extends Plugin {
try {
Log.d(TAG, "Setting adaptive scheduling");
// Ensure storage is initialized
ensureStorageInitialized();
boolean enabled = call.getBoolean("enabled", true);
storage.setAdaptiveSchedulingEnabled(enabled);
@ -842,6 +867,233 @@ public class DailyNotificationPlugin extends Plugin {
return NotificationManagerCompat.from(getContext()).areNotificationsEnabled();
}
/**
* Ensure storage is initialized
*
* @throws Exception if storage cannot be initialized
*/
private void ensureStorageInitialized() throws Exception {
if (storage == null) {
Log.w(TAG, "Storage not initialized, initializing now");
storage = new DailyNotificationStorage(getContext());
if (storage == null) {
throw new Exception("Failed to initialize storage");
}
}
}
/**
* Check and perform recovery if needed
* This is called on app startup to recover notifications after reboot
*/
private void checkAndPerformRecovery() {
try {
Log.d(TAG, "Checking if recovery is needed...");
// Ensure storage is initialized
ensureStorageInitialized();
// Check if we have saved notifications
java.util.List<NotificationContent> notifications = storage.getAllNotifications();
if (notifications.isEmpty()) {
Log.d(TAG, "No notifications to recover");
return;
}
Log.i(TAG, "Found " + notifications.size() + " notifications to recover");
// Check if any alarms are currently scheduled
boolean hasScheduledAlarms = checkScheduledAlarms();
if (!hasScheduledAlarms) {
Log.i(TAG, "No scheduled alarms found - performing recovery");
performRecovery(notifications);
} else {
Log.d(TAG, "Alarms already scheduled - no recovery needed");
}
} catch (Exception e) {
Log.e(TAG, "Error during recovery check", e);
}
}
/**
* Check if any alarms are currently scheduled
*/
private boolean checkScheduledAlarms() {
try {
// This is a simple check - in a real implementation, you'd check AlarmManager
// For now, we'll assume recovery is needed if we have saved notifications
return false;
} catch (Exception e) {
Log.e(TAG, "Error checking scheduled alarms", e);
return false;
}
}
/**
* Perform recovery of scheduled notifications
*/
private void performRecovery(java.util.List<NotificationContent> notifications) {
try {
Log.i(TAG, "Performing notification recovery...");
int recoveredCount = 0;
for (NotificationContent notification : notifications) {
try {
// Only reschedule future notifications
if (notification.getScheduledTime() > System.currentTimeMillis()) {
boolean scheduled = scheduler.scheduleNotification(notification);
if (scheduled) {
recoveredCount++;
Log.d(TAG, "Recovered notification: " + notification.getId());
} else {
Log.w(TAG, "Failed to recover notification: " + notification.getId());
}
} else {
Log.d(TAG, "Skipping past notification: " + notification.getId());
}
} catch (Exception e) {
Log.e(TAG, "Error recovering notification: " + notification.getId(), e);
}
}
Log.i(TAG, "Notification recovery completed: " + recoveredCount + "/" + notifications.size() + " recovered");
} catch (Exception e) {
Log.e(TAG, "Error during notification recovery", e);
}
}
/**
* Request notification permissions
*
* @param call Plugin call
*/
@PluginMethod
public void requestNotificationPermissions(PluginCall call) {
try {
Log.d(TAG, "Requesting notification permissions");
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
// Request POST_NOTIFICATIONS permission for Android 13+
requestPermissionForAlias("notifications", call, "notificationPermissions");
} else {
// For older versions, check if notifications are enabled
boolean enabled = NotificationManagerCompat.from(getContext()).areNotificationsEnabled();
if (enabled) {
Log.i(TAG, "Notifications already enabled");
call.resolve();
} else {
// Open notification settings
openNotificationSettings();
call.resolve();
}
}
} catch (Exception e) {
Log.e(TAG, "Error requesting notification permissions", e);
call.reject("Error requesting permissions: " + e.getMessage());
}
}
/**
* Check current permission status
*
* @param call Plugin call
*/
@PluginMethod
public void checkPermissionStatus(PluginCall call) {
try {
Log.d(TAG, "Checking permission status");
JSObject result = new JSObject();
// Check notification permissions
boolean notificationsEnabled = areNotificationsEnabled();
result.put("notificationsEnabled", notificationsEnabled);
// Check exact alarm permissions (Android 12+)
boolean exactAlarmEnabled = true;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
exactAlarmEnabled = alarmManager.canScheduleExactAlarms();
}
result.put("exactAlarmEnabled", exactAlarmEnabled);
// Check wake lock permissions
boolean wakeLockEnabled = getContext().checkSelfPermission(Manifest.permission.WAKE_LOCK)
== PackageManager.PERMISSION_GRANTED;
result.put("wakeLockEnabled", wakeLockEnabled);
// Overall status
boolean allPermissionsGranted = notificationsEnabled && exactAlarmEnabled && wakeLockEnabled;
result.put("allPermissionsGranted", allPermissionsGranted);
Log.d(TAG, "Permission status - Notifications: " + notificationsEnabled +
", Exact Alarm: " + exactAlarmEnabled +
", Wake Lock: " + wakeLockEnabled);
call.resolve(result);
} catch (Exception e) {
Log.e(TAG, "Error checking permission status", e);
call.reject("Error checking permissions: " + e.getMessage());
}
}
/**
* Open notification settings
*/
private void openNotificationSettings() {
try {
Intent intent = new Intent();
intent.setAction("android.settings.APP_NOTIFICATION_SETTINGS");
intent.putExtra("android.provider.extra.APP_PACKAGE", getContext().getPackageName());
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
getContext().startActivity(intent);
Log.d(TAG, "Opened notification settings");
} catch (Exception e) {
Log.e(TAG, "Error opening notification settings", e);
}
}
/**
* Open exact alarm settings (Android 12+)
*
* @param call Plugin call
*/
@PluginMethod
public void openExactAlarmSettings(PluginCall call) {
try {
Log.d(TAG, "Opening exact alarm settings");
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
// Check if exact alarms are already allowed
if (alarmManager.canScheduleExactAlarms()) {
Log.d(TAG, "Exact alarms already allowed");
call.resolve();
return;
}
// Open exact alarm settings
Intent intent = new Intent(android.provider.Settings.ACTION_REQUEST_SCHEDULE_EXACT_ALARM);
intent.setData(android.net.Uri.parse("package:" + getContext().getPackageName()));
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
getContext().startActivity(intent);
Log.d(TAG, "Opened exact alarm settings");
} else {
Log.d(TAG, "Exact alarm settings not needed on this Android version");
}
call.resolve();
} catch (Exception e) {
Log.e(TAG, "Error opening exact alarm settings", e);
call.reject("Error opening exact alarm settings: " + e.getMessage());
}
}
/**
* Maintain rolling window (for testing or manual triggers)
*
@ -947,32 +1199,6 @@ public class DailyNotificationPlugin extends Plugin {
}
}
/**
* Open exact alarm settings
*
* @param call Plugin call
*/
@PluginMethod
public void openExactAlarmSettings(PluginCall call) {
try {
Log.d(TAG, "Opening exact alarm settings");
if (exactAlarmManager != null) {
boolean success = exactAlarmManager.openExactAlarmSettings();
if (success) {
call.resolve();
} else {
call.reject("Failed to open exact alarm settings");
}
} else {
call.reject("Exact alarm manager not initialized");
}
} catch (Exception e) {
Log.e(TAG, "Error opening exact alarm settings", e);
call.reject("Error opening exact alarm settings: " + e.getMessage());
}
}
/**
* Get reboot recovery status
@ -1653,7 +1879,7 @@ public class DailyNotificationPlugin extends Plugin {
reminderContent.setBody(body);
reminderContent.setSound(sound);
reminderContent.setPriority(priority);
reminderContent.setFetchTime(System.currentTimeMillis());
// fetchedAt is set in constructor, no need to set it again
// Calculate next trigger time
Calendar calendar = Calendar.getInstance();
@ -1770,7 +1996,7 @@ public class DailyNotificationPlugin extends Plugin {
reminderContent.setBody(body);
reminderContent.setSound(sound != null ? sound : true);
reminderContent.setPriority(priority != null ? priority : "normal");
reminderContent.setFetchTime(System.currentTimeMillis());
// fetchedAt is set in constructor, no need to set it again
// Calculate next trigger time
String[] timeParts = time.split(":");

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