fixed GUI update issue on successive transfers

debug_tools/test_progress.py

@@ -0,0 +1,59 @@
+#!/usr/bin/env python3
+"""
+Test script to verify progress callback is working
+"""
+import sys
+import os
+
+sys.path.insert(0, "src")
+
+from adb_manager import ADBManager
+import time
+
+
+def test_progress_callback():
+    """Test the progress callback functionality."""
+    print("Testing progress callback...")
+
+    # Track progress updates
+    progress_updates = []
+
+    def progress_callback(percentage):
+        progress_updates.append(percentage)
+        print(f"Progress update: {percentage}%")
+
+    def status_callback(message):
+        print(f"Status: {message}")
+
+    # Create ADB manager and set callbacks
+    adb = ADBManager()
+    adb.set_progress_callback(progress_callback)
+    adb.set_status_callback(status_callback)
+
+    # Test manual progress updates
+    print("\nTesting manual progress updates:")
+    for i in range(0, 101, 25):
+        adb._update_progress(i)
+        time.sleep(0.1)
+
+    print(f"\nProgress updates received: {progress_updates}")
+    print(f"Total updates: {len(progress_updates)}")
+
+    # Test progress parsing
+    print("\nTesting progress parsing:")
+    test_lines = [
+        "Pulling: /sdcard/DCIM/Camera/IMG_20250815_123456.jpg... (25%)",
+        "/sdcard/Documents/file.txt: 1 file pulled. (50%)",
+        "Pulling: /sdcard/Music/song.mp3... (75%)",
+        "3 files pulled. (100%)",
+        "No progress info here",
+        "",
+    ]
+
+    for line in test_lines:
+        progress = adb.parse_progress(line)
+        print(f"Line: {repr(line[:50])} -> Progress: {progress}")
+
+
+if __name__ == "__main__":
+    test_progress_callback()