LogSearch - Google Play

* Overview
This app displays and searches ADIF files for amateur radio.
It can read ADIF files output by LoTW's Download Report, and ADIF files output by various other applications.
There is no function to edit, delete, or export ADIF data.

* Features

** Log Display
- Sort: Displays in the order of date, call sign. The sorting can be changed in the settings.
- Display Order: Ascending order is the default. It can be changed to descending order in the settings.
- Date & Time: Displays in YYYY-MM-DD HH:mm:ss format. It can be changed to the ADIF date & time format in the settings.
- Field Hide: You can change the display/hide of fields.

** Log Search
- You can search for values ​​in specified ADIF fields.
- The search target is the call sign. Other search fields can be selected in the settings.
- Searches for partial matches of entered text.
- Search terms are case-insensitive.

- Regular expressions can be used in the search values.

** Tab Display
- You can specify search criteria (ADIF field and search value) for each tab.
- You can add/delete/move tabs and change search criteria.
- Tab search criteria are saved within the app. Search criteria are restored when the app is restarted.
- The ALL tab is fixed and displays all ADIF entries. It cannot be deleted or moved.

** Moving the Display Position
- Show Beginning/Ending: Tapping the floating operation button in the lower right corner of the screen moves you to the beginning/end of the log.
- Scrolling: Tapping the floating operation button in the lower right corner of the screen scrolls the log display.

** Coloring of Display Text
- You can specify colors for the display text of call signs, bands, and modes.

- Call signs can be color-coded for non-JA stations, commemorative stations (8J, 8N), and JARL stations (JA#RL, JA#YRL, JA1YAA).

- Bands can be color-coded for each frequency band (Low-HF, High-HF, VHF, UHF, SHF).

- Modes include telephone (SSB, AM, FM), CW (CW), digital (FT8, RTTY, etc.), and digital voice (DSTAR, C4FM, etc.).

** Changing the Display Text Size
- You can change the display text size by pinching out and pinching in.

** Importing ADIF Files
- You can import any ADIF file from the file selection screen.
- You can choose between new import and append import.
- New Import: Deletes all previously imported data in the app and imports new data.
- Append Import: Retains previously imported data and imports additional data.

- When loading data, if the same QSO (CALL + QSO_DATE + TIME_ON) is found, you can choose to overwrite or skip subsequent identical QSOs.
- Required fields when loading ADIF files:
CALL, QSO_DATE, TIME_ON, BAND or FREQ, MODE, STATION_CALLSIGN†
† By making STATION_CALLSIGN required, you can display/search logs with different STATION_CALLSIGNs.
For example, you can load logs with STATION_CALLSIGNs of JA1QRT, JA1QRT/P, and JA1QRT/MM.

* Limitations
- Works on Android 7.0 and later.

* App Permissions
This app requires the following permissions:
- Storage access