- Fixed multiple bugs regarding QR scanner, starting issue on Pixel devices
- Added a descriptor field in file names
- Added notice screens when user intentionally pause/resume recording
- Updated gradle for SDK 32 (Android 12), fixed issue with intent passing for android 12
- Updated gradle and fixed method calls for notification and datetime utils for SDK 25 and below (Android 7 and below)
This repo contains the Android Application used in the ScreenLife Capture study. The application allows participants to record and upload screenshots taken every X number of seconds. The general layout of the code is explained below.
Refer to the official guide here for running an app on a physical device.
Summary of steps:
- Ensure your Android device has USB debugging mode turned on.
- Connect your Android device using data cable and select file transfer mode. Android Studio should automatically register your device.
- In Android Studio, select your device from the device list on the top toolbar. Click "Run app". The app should be installed in your device.
| Activity Name | Purpose |
|---|---|
| RegisterActivity | Handles registration for new users. |
| MainActivity | Contains the main interface of the app, allowing participants to start/stop the screen capture. |
| DevToolsActivity | Contains tools to tweak how the app works, including the number of images to send per batch, the number of batches to send in parallel etc. |
| Service Name | Purpose |
|---|---|
| CaptureService | Responsible for capturing screenshots every X number of seconds. Runs continously throughout the duration of the study. |
| UploadService | Responsible for uploading of screenshots to the cloud functions. Is triggered at certain times by UploadScheduler |
| File Name | Purpose |
|---|---|
| Constants | Contains the constants used throughout the application. |
| Batch | Contains a "batch" of files, used by UploadService. |
| Encryptor | Used during the encryption process by CaptureService. |
| InfoDialog | The dialog that is shown when the "information" button is pressed on the main activity. |
| InternetConnection | A set of functions to check if the device is connected to the internet, and through what type of connection (WiFi vs mobile data). |
| Logger | Utility functions to save logs to SharedPreferences. |
| UploadScheduler | Schedules the UploadService at certain times a day. |
Most app-related constants are located in the Constants file. The constants are explained below.
| Constant Name | Explanation |
|---|---|
| REGISTER_ADDRESS | The address of the "register" cloud function. |
| UPLOAD_ADDRESS | The address of the "upload" cloud function. |
| COUNT_ADDRESS | The address of the "count" cloud function. |
| BATCH_SIZE_DEFAULT | TODO |
| MAX_TO_SEND_DEFAULT | TODO |
| MAX_BATCHES_TO_SEND | TODO |
| REQ_TIMEOUT | TODO |