tool: APK bloat analyzer

Author: OutrageousStorm

analyzers/apk-size-analyzer.py

@@ -0,0 +1,53 @@
+#!/usr/bin/env python3
+"""
+apk-size-analyzer.py -- Analyze APK structure and find what's making it bloated
+Shows: classes.dex size, resources, native libs, total breakdown by percentage
+Usage: python3 apk-size-analyzer.py app.apk
+"""
+import zipfile, sys, json
+from collections import defaultdict
+
+def analyze_apk(apk_path):
+    try:
+        z = zipfile.ZipFile(apk_path, 'r')
+    except Exception as e:
+        print(f"Error: {e}"); sys.exit(1)
+
+    sizes = defaultdict(int)
+    for info in z.infolist():
+        path = info.filename
+        size = info.file_size
+        
+        if path.endswith('.dex'):
+            sizes['dex'] += size
+        elif path.startswith('lib/'):
+            arch = path.split('/')[1] if len(path.split('/')) > 1 else 'unknown'
+            sizes[f'lib_{arch}'] += size
+        elif path.startswith('resources.arsc') or path.startswith('res/'):
+            sizes['resources'] += size
+        elif path.endswith('.so'):
+            sizes['native'] += size
+        elif path.startswith('assets/'):
+            sizes['assets'] += size
+        elif path == 'AndroidManifest.xml':
+            sizes['manifest'] += size
+        else:
+            sizes['other'] += size
+
+    total = sum(sizes.values())
+    print(f"\n📦 APK Size Analysis: {apk_path}")
+    print(f"Total: {total / 1024 / 1024:.1f} MB\n")
+    print(f"{'Component':<20} {'Size':<15} {'%':<8}")
+    print("─" * 45)
+    
+    for key in sorted(sizes.keys(), key=lambda k: sizes[k], reverse=True):
+        size = sizes[key]
+        pct = (size / total * 100) if total > 0 else 0
+        size_str = f"{size / 1024 / 1024:.1f} MB" if size > 1024*1024 else f"{size / 1024:.0f} KB"
+        print(f"{key:<20} {size_str:<15} {pct:>6.1f}%")
+
+if __name__ == "__main__":
+    if len(sys.argv) < 2:
+        print("Usage: python3 apk-size-analyzer.py <app.apk>")
+        sys.exit(1)
+    analyze_apk(sys.argv[1])