CrackMe.apk

• CrackMe.apk
• sources
• androidx
• core
• app
• ActivityRecreator.java

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    package androidx.core.app;

import android.app.Activity;
import android.app.Application;
import android.content.res.Configuration;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.Looper;
import android.util.Log;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.List;

final class ActivityRecreator {
    private static final String LOG_TAG = "ActivityRecreator";
    protected static final Class<?> activityThreadClass;
    private static final Handler mainHandler = new Handler(Looper.getMainLooper());
    protected static final Field mainThreadField = getMainThreadField();
    protected static final Method performStopActivity2ParamsMethod;
    protected static final Method performStopActivity3ParamsMethod;
    protected static final Method requestRelaunchActivityMethod;
    protected static final Field tokenField = getTokenField();

    private ActivityRecreator() {
    }

    static {
        Class<?> activityThreadClass2 = getActivityThreadClass();
        activityThreadClass = activityThreadClass2;
        performStopActivity3ParamsMethod = getPerformStopActivity3Params(activityThreadClass2);
        performStopActivity2ParamsMethod = getPerformStopActivity2Params(activityThreadClass2);
        requestRelaunchActivityMethod = getRequestRelaunchActivityMethod(activityThreadClass2);
    }

    static boolean recreate(Activity activity) {
        Object obj;
        final Application application;
        final LifecycleCheckCallbacks lifecycleCheckCallbacks;
        if (Build.VERSION.SDK_INT >= 28) {
            activity.recreate();
            return true;
        } else if (needsRelaunchCall() && requestRelaunchActivityMethod == null) {
            return false;
        } else {
            if (performStopActivity2ParamsMethod == null && performStopActivity3ParamsMethod == null) {
                return false;
            }
            try {
                final Object obj2 = tokenField.get(activity);
                if (obj2 == null || (obj = mainThreadField.get(activity)) == null) {
                    return false;
                }
                application = activity.getApplication();
                lifecycleCheckCallbacks = new LifecycleCheckCallbacks(activity);
                application.registerActivityLifecycleCallbacks(lifecycleCheckCallbacks);
                Handler handler = mainHandler;
                handler.post(new Runnable() {
                    public void run() {
                        LifecycleCheckCallbacks.this.currentlyRecreatingToken = obj2;
                    }
                });
                if (needsRelaunchCall()) {
                    requestRelaunchActivityMethod.invoke(obj, new Object[]{obj2, null, null, 0, false, null, null, false, false});
                } else {
                    activity.recreate();
                }
                handler.post(new Runnable() {
                    public void run() {
                        application.unregisterActivityLifecycleCallbacks(lifecycleCheckCallbacks);
                    }
                });
                return true;
            } catch (Throwable unused) {
                return false;
            }
        }
    }

    private static final class LifecycleCheckCallbacks implements Application.ActivityLifecycleCallbacks {
        Object currentlyRecreatingToken;
        private Activity mActivity;
        private boolean mDestroyed = false;
        private final int mRecreatingHashCode;
        private boolean mStarted = false;
        private boolean mStopQueued = false;

        public void onActivityCreated(Activity activity, Bundle bundle) {
        }

        public void onActivityResumed(Activity activity) {
        }

        public void onActivitySaveInstanceState(Activity activity, Bundle bundle) {
        }

        public void onActivityStopped(Activity activity) {
        }

        LifecycleCheckCallbacks(Activity activity) {
            this.mActivity = activity;
            this.mRecreatingHashCode = activity.hashCode();
        }

        public void onActivityStarted(Activity activity) {
            if (this.mActivity == activity) {
                this.mStarted = true;
            }
        }

        public void onActivityPaused(Activity activity) {
            if (this.mDestroyed && !this.mStopQueued && !this.mStarted && ActivityRecreator.queueOnStopIfNecessary(this.currentlyRecreatingToken, this.mRecreatingHashCode, activity)) {
                this.mStopQueued = true;
                this.currentlyRecreatingToken = null;
            }
        }

        public void onActivityDestroyed(Activity activity) {
            if (this.mActivity == activity) {
                this.mActivity = null;
                this.mDestroyed = true;
            }
        }
    }

    protected static boolean queueOnStopIfNecessary(Object obj, int i, Activity activity) {
        try {
            final Object obj2 = tokenField.get(activity);
            if (obj2 == obj) {
                if (activity.hashCode() == i) {
                    final Object obj3 = mainThreadField.get(activity);
                    mainHandler.postAtFrontOfQueue(new Runnable() {
                        public void run() {
                            try {
                                if (ActivityRecreator.performStopActivity3ParamsMethod != null) {
                                    ActivityRecreator.performStopActivity3ParamsMethod.invoke(obj3, new Object[]{obj2, false, "AppCompat recreation"});
                                    return;
                                }
                                ActivityRecreator.performStopActivity2ParamsMethod.invoke(obj3, new Object[]{obj2, false});
                            } catch (RuntimeException e) {
                                if (e.getClass() == RuntimeException.class && e.getMessage() != null && e.getMessage().startsWith("Unable to stop")) {
                                    throw e;
                                }
                            } catch (Throwable th) {
                                Log.e(ActivityRecreator.LOG_TAG, "Exception while invoking performStopActivity", th);
                            }
                        }
                    });
                    return true;
                }
            }
            return false;
        } catch (Throwable th) {
            Log.e(LOG_TAG, "Exception while fetching field values", th);
            return false;
        }
    }

    private static Method getPerformStopActivity3Params(Class<?> cls) {
        if (cls == null) {
            return null;
        }
        try {
            Method declaredMethod = cls.getDeclaredMethod("performStopActivity", new Class[]{IBinder.class, Boolean.TYPE, String.class});
            declaredMethod.setAccessible(true);
            return declaredMethod;
        } catch (Throwable unused) {
            return null;
        }
    }

    private static Method getPerformStopActivity2Params(Class<?> cls) {
        if (cls == null) {
            return null;
        }
        try {
            Method declaredMethod = cls.getDeclaredMethod("performStopActivity", new Class[]{IBinder.class, Boolean.TYPE});
            declaredMethod.setAccessible(true);
            return declaredMethod;
        } catch (Throwable unused) {
            return null;
        }
    }

    private static boolean needsRelaunchCall() {
        return Build.VERSION.SDK_INT == 26 || Build.VERSION.SDK_INT == 27;
    }

    private static Method getRequestRelaunchActivityMethod(Class<?> cls) {
        if (needsRelaunchCall() && cls != null) {
            try {
                Method declaredMethod = cls.getDeclaredMethod("requestRelaunchActivity", new Class[]{IBinder.class, List.class, List.class, Integer.TYPE, Boolean.TYPE, Configuration.class, Configuration.class, Boolean.TYPE, Boolean.TYPE});
                declaredMethod.setAccessible(true);
                return declaredMethod;
            } catch (Throwable unused) {
            }
        }
        return null;
    }

    private static Field getMainThreadField() {
        try {
            Field declaredField = Activity.class.getDeclaredField("mMainThread");
            declaredField.setAccessible(true);
            return declaredField;
        } catch (Throwable unused) {
            return null;
        }
    }

    private static Field getTokenField() {
        try {
            Field declaredField = Activity.class.getDeclaredField("mToken");
            declaredField.setAccessible(true);
            return declaredField;
        } catch (Throwable unused) {
            return null;
        }
    }

    private static Class<?> getActivityThreadClass() {
        try {
            return Class.forName("android.app.ActivityThread");
        } catch (Throwable unused) {
            return null;
        }
    }
}
    

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