⚠️ IMPORTANT NOTE

This is repository is deprecated. Please refer to MicroPowerManager documentation for instructions on how to use MicroPowerManager.

Background:

The MicroPowerManager SMS Gateway App was to enable SMS-sending from and to the MicroPowerManager website interface as well as to be able to send SMS to your customer portfolio through the same website.

For this feature to work, the SMS Gateway App must be installed on the applicable mobile phone.

This app has created issues with service providers in the past. Additionally, the privacy settings and new features of Android may interfere/block the proper functioning of this app.

Further information:

• https://enaccess.org/materials/micropowermanager/
• https://micropowermanager.io/

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SMS Gateway

A bidirectional SMS communication Android application that enables seamless SMS handling and integration with Firebase Cloud Messaging.

Overview

SMS Gateway is an Android application that facilitates bidirectional SMS communication between mobile devices and a server. The app can:

• Receive and process incoming SMS messages
• Send SMS messages based on Firebase Cloud Messaging (FCM) requests
• Monitor SIM card state changes
• Provide a dashboard interface for monitoring SMS operations

Technology Stack

• Primary Language: Kotlin
• Minimum SDK: Android 5.0 (API Level 21)
• Target SDK: Android 10 (API Level 29)

Features

• Bidirectional SMS Communication: Handle both incoming and outgoing SMS messages
• Firebase Integration: Uses Firebase Cloud Messaging for remote message handling
• SIM Card Monitoring: Tracks SIM card state changes
• Dashboard Interface: User-friendly interface for monitoring SMS operations
• Secure Communication: Implements secure communication protocols for message handling

Technical Details

Requirements

• Android 5.0 (API Level 21) or higher
• Google Play Services
• Active SIM card with SMS capabilities

Permissions

The application requires the following permissions:

• INTERNET: For network communication
• SEND_SMS: To send SMS messages
• RECEIVE_SMS: To receive SMS messages
• READ_SMS: To process SMS messages
• READ_PHONE_STATE: To monitor SIM card state

Dependencies

• Firebase Core & Messaging, Config, and Crashlytics
• Retrofit for API communication
• OkHttp for HTTP client
• Gson for JSON parsing

Building the Project

1. Clone the repository
2. Open the project in Android Studio
3. Sync Gradle files
4. Build the project

Architecture

• Firebase Cloud Messaging Service for push notifications
• Broadcast Receivers for SMS and SIM state monitoring
• Dashboard Activity for user interface
• Network communication layer using Retrofit