Primer paso de la investigacion. Se aportan el .apk, las carpetas con el apk extraido y el apk descompilado. El archivo API_DOCUMENTATION.md es un archivo donde se anotaran los descubrimientos del funcionamiento de la API, y los .py son scripts para probar la funcionalidad de la API con los métodos que vayamos encontrando. Finalmente, los archivos .js son scripts de Frida para extraer informacion de la APP durante la ejecucion.

apk_decompiled/sources/androidx/fragment/app/D0.java

@@ -0,0 +1,68 @@
+package androidx.fragment.app;
+
+import androidx.recyclerview.widget.C0217g;
+import java.util.ArrayList;
+import java.util.List;
+
+/* loaded from: classes.dex */
+public final class D0 implements Runnable {
+
+    /* renamed from: a, reason: collision with root package name */
+    public final /* synthetic */ int f2988a = 0;
+
+    /* renamed from: b, reason: collision with root package name */
+    public final /* synthetic */ int f2989b;
+
+    /* renamed from: c, reason: collision with root package name */
+    public final /* synthetic */ List f2990c;
+
+    /* renamed from: d, reason: collision with root package name */
+    public final /* synthetic */ List f2991d;
+
+    /* renamed from: e, reason: collision with root package name */
+    public final /* synthetic */ Object f2992e;
+
+    /* renamed from: f, reason: collision with root package name */
+    public final /* synthetic */ Object f2993f;
+
+    public D0(int i, ArrayList arrayList, ArrayList arrayList2, ArrayList arrayList3, ArrayList arrayList4) {
+        this.f2989b = i;
+        this.f2990c = arrayList;
+        this.f2991d = arrayList2;
+        this.f2992e = arrayList3;
+        this.f2993f = arrayList4;
+    }
+
+    /* JADX WARN: Code restructure failed: missing block: B:20:0x00b7, code lost:
+    
+        if (r3[(r5 + 1) + r9] > r3[(r5 - 1) + r9]) goto L29;
+     */
+    /* JADX WARN: Multi-variable type inference failed */
+    /* JADX WARN: Removed duplicated region for block: B:103:0x02a1  */
+    /* JADX WARN: Removed duplicated region for block: B:122:0x0133  */
+    /* JADX WARN: Removed duplicated region for block: B:38:0x010e  */
+    /* JADX WARN: Removed duplicated region for block: B:84:0x021a  */
+    /* JADX WARN: Type inference failed for: r14v25, types: [androidx.recyclerview.widget.w, java.lang.Object] */
+    /* JADX WARN: Type inference failed for: r5v31, types: [androidx.recyclerview.widget.w, java.lang.Object] */
+    /* JADX WARN: Type inference failed for: r9v0, types: [androidx.recyclerview.widget.v, java.lang.Object] */
+    @Override // java.lang.Runnable
+    /*
+        Code decompiled incorrectly, please refer to instructions dump.
+        To view partially-correct add '--show-bad-code' argument
+    */
+    public final void run() {
+        /*
+            Method dump skipped, instructions count: 776
+            To view this dump add '--comments-level debug' option
+        */
+        throw new UnsupportedOperationException("Method not decompiled: androidx.fragment.app.D0.run():void");
+    }
+
+    public D0(C0217g c0217g, List list, List list2, int i, Runnable runnable) {
+        this.f2993f = c0217g;
+        this.f2990c = list;
+        this.f2991d = list2;
+        this.f2989b = i;
+        this.f2992e = runnable;
+    }
+}