Deconstructed APK prototyping

apk/hijack/org/chromium/deconstructed/DeconstructedApplication.java

+package org.chromium.deconstructed;
+
+import android.app.Application;
+import android.content.Context;
+
+import java.io.File;
+
+public class DeconstructedApplication extends Application {
+    private static final String TAG = "org.chromium.deconstructed.DeconstructedApplication";
+
+    private static Application realApplication;
+    private static final String realApplicationName = "org.chromium.simple.MainApplication";
+    private static ClassLoader classLoader;
+
+    static {
+        android.util.Log.e(TAG, "<static>");
+    }
+
+    public DeconstructedApplication() {
+    }
+
+    @Override
+    public void attachBaseContext(Context context) {
+        super.attachBaseContext(context);
+        try {
+            File dexDir = new File("/sdcard/deconstructed/dex");
+            JavaInstaller.install(this, dexDir);
+            File nativeDir = new File("/sdcard/deconstructed/lib");
+            NativeInstaller.install(this, nativeDir);
+            File resources = new File("/sdcard/deconstructed/resources.ap_");
+            ResourceInstaller.install(resources);
+            realApplication = createRealApplication();
+            Reflect.invokeMethod(realApplication, "attachBaseContext", context);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        android.util.Log.e(TAG, "onCreate()");
+        try {
+            ApplicationInstaller.install(this, realApplication);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private Application createRealApplication() {
+        try {
+            return (Application) Reflect.newInstance(
+                    DeconstructedApplication.class.getClassLoader(), realApplicationName);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+}