Google App Crash 规避方案

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和你一起终身学习,这里是程序员Android

经典好文推荐,通过阅读本文,您将收获以下知识点:

一、gms.ui Service not registered Crash
二、gms.ui BadTokenException Crash
三、setupwizard ConcurrentModificationException Crash
四、setupwizard ActivityNotFoundException Crash
五、setupwizard On-body ActivityNotFoundException
六、Google play Service NullPointerException Crash
七、恢复出厂设置或者第一次开机,先闪壁纸再显示开机向导

GMS(GoogleMobile Service)包是出口国外手机中 Google限制必须要预制的,如果不预置无法过Google CTS 认证,会导致手机无法正常使用,并且Google会对手机厂商进行罚款。
只要是代码写出来的东西,都会有报错的概率存在,Google大牛写的代码也不理我,那么,当我们遇到Google apk Crash 时候我们改如何处理呢?由于没有Google源码,我们不能从根本上解决 Google apk Crash的问题,只能在Android原生的代码上规避 一下Google代码低概率复现问题。

一、gms.ui Service not registered Crash

1.Crash Log如下:

--------- beginning of crash
01-01 00:00:16.892  2210  2473 E AndroidRuntime: FATAL EXCEPTION: IPreferenceServiceThread
01-01 00:00:16.892  2210  2473 E AndroidRuntime: Process: com.google.android.gms.ui, PID: 2210
01-01 00:00:16.892  2210  2473 E AndroidRuntime: java.lang.IllegalArgumentException: Service not registered: wfg@202e22a
01-01 00:00:16.892  2210  2473 E AndroidRuntime:    at android.app.LoadedApk.forgetServiceDispatcher(LoadedApk.java:1329)
01-01 00:00:16.892  2210  2473 E AndroidRuntime:    at android.app.ContextImpl.unbindService(ContextImpl.java:1495)
01-01 00:00:16.892  2210  2473 E AndroidRuntime:    at android.content.ContextWrapper.unbindService(ContextWrapper.java:648)
01-01 00:00:16.892  2210  2473 E AndroidRuntime:    at android.content.ContextWrapper.unbindService(ContextWrapper.java:648)
01-01 00:00:16.892  2210  2473 E AndroidRuntime:    at android.content.ContextWrapper.unbindService(ContextWrapper.java:648)
01-01 00:00:16.892  2210  2473 E AndroidRuntime:    at android.content.ContextWrapper.unbindService(ContextWrapper.java:648)
01-01 00:00:16.892  2210  2473 E AndroidRuntime:    at msl.a(:com.google.android.gms@11951440:39)
01-01 00:00:16.892  2210  2473 E AndroidRuntime:    at wfh.run(:com.google.android.gms@11951440:5)
--------- beginning of system

2.Crash 原因:

当绑定服务已经解除绑定,再次解除绑定,会出现此异常。

93932495ca426b91d0f27472cb26e32b.jpeg

当绑定服务已经解除绑定,再次解除绑定,会出现此异常

3.解决方案:

由于没有GMS源码,我们不能从根源上处理问题,只能尝试修改Framework代码规避此问题。
解决此问题需要修改一下两个类:

frameworks/base/core/java/android/app/ContextImpl.java
frameworks/base/core/java/android/content/ContextWrapper.java
  • 1.修改1:ContextWrapper.java

ContextWrapperunbindService 方法中try-catch住代码中抛出的异常IllegalArgumentException,抓住异常,不让异常抛出。
修改方法如下:

public class ContextWrapper extends Context {
    ... ... 
    
    @Override
      public void unbindService(ServiceConnection conn) {
          try {
                 mBase.unbindService(conn);
              } catch (IllegalArgumentException e) {
                //com.google.android.gms.ui Service not registered Crash
                android.util.Log.e("wjwj","---ContextWrapper GMS Crash---");
                e.printStackTrace();
          }
      }
   
    ... ...
    
}

d9590b42478b2df420719545969cec1e.jpeg

在ContextWrapper的 unbindService 方法中try-catch IllegalArgumentException

  • 2.修改2:ContextImpl.java

修改方法如下:

class ReceiverRestrictedContext extends ContextWrapper {
      ... ...
      
      @Override
      public void unbindService(ServiceConnection conn) {
          if (conn == null) {
              throw new IllegalArgumentException("connection is null");
          }
          if (mPackageInfo != null) {
              IServiceConnection sd = mPackageInfo.forgetServiceDispatcher(
                      getOuterContext(), conn);
              try {
                  ActivityManager.getService().unbindService(sd);
              } catch (RemoteException e) {
                  throw e.rethrowFromSystemServer();
              } catch (IllegalArgumentException e) {
                  //com.google.android.gms.ui Service not registered Crash
                                  android.util.Log.e("wjwj","---ContextImpl GMS Crash---");
                  e.printStackTrace();
              }
  
          } else {
              throw new RuntimeException("Not supported in system context");
          }
      }
      ... ... 

}
  • 3.修改思路:
    ContextImplunbindService 方法中try-catch抓住代码中抛出的异常IllegalArgumentException

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在ContextImpl的unbindService 方法中try-catch IllegalArgumentException

二、gms.ui BadTokenException Crash

1.Crash Log如下:

12-31 21:01:26.711  3776  3776 E AndroidRuntime: FATAL EXCEPTION: main
12-31 21:01:26.711  3776  3776 E AndroidRuntime: Process: com.google.android.gms.ui, PID: 3776
12-31 21:01:26.711  3776  3776 E AndroidRuntime: android.view.WindowManager$BadTokenException:
                                                  Unable to add window -- token android.os.BinderProxy@f176911 is not valid; is your activity running?
12-31 21:01:26.711  3776  3776 E AndroidRuntime:    at android.view.ViewRootImpl.setView(ViewRootImpl.java:567)
12-31 21:01:26.711  3776  3776 E AndroidRuntime:    at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:310)
12-31 21:01:26.711  3776  3776 E AndroidRuntime:    at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:85)
12-31 21:01:26.711  3776  3776 E AndroidRuntime:    at android.app.Dialog.show(Dialog.java:319)
12-31 21:01:26.711  3776  3776 E AndroidRuntime:    at com.google.android.location.network.ConfirmAlertChimeraActivity.a(:com.google.android.gms:164)
12-31 21:01:26.711  3776  3776 E AndroidRuntime:    at rzo.onServiceConnected(:com.google.android.gms:71)
12-31 21:01:26.711  3776  3776 E AndroidRuntime:    at android.app.LoadedApk$ServiceDispatcher.doConnected(LoadedApk.java:1223)

2c7cb1850aabcf422af7a1e2c661b3ea.jpeg

Unable to add window -- token android.os.BinderProxy@f176911 is not valid; is your activity running

2.解决方案如下

主要修改类:
frameworks/base/core/java/android/view/ViewRootImpl.java

在 ViewRootImpl类中,解决恢复出厂设置后的问题,修改方案如下:

public class ViewRootImpl extends AbsViewRootImpl implements ViewParent,
           View.AttachInfo.Callbacks, ThreadedRenderer.DrawCallbacks {
 
            ... ...
         
        public void setView(View view, WindowManager.LayoutParams attrs, View panelParentView) {
          synchronized (this) {
               if (mView == null) {
                   mView = view;
              ... ...
 
                if (res < WindowManagerGlobal.ADD_OKAY) {
                       mAttachInfo.mRootView = null;
                       mAdded = false;
                       mFallbackEventHandler.setView(null);
                       unscheduleTraversals();
                       setAccessibilityFocus(null, null);
                       switch (res) {
                           case WindowManagerGlobal.ADD_BAD_APP_TOKEN:
                           case WindowManagerGlobal.ADD_BAD_SUBWINDOW_TOKEN:
                               // add by wangjie for com.google.android.gms.ui crash
                               int deviceProvisioned = android.provider.Settings.Global.getInt(mContext.getContentResolver(), android.provider.Settings.Global.DEVICE_PROVISIONED,0);
                               if(deviceProvisioned==0){
                                  android.util.Log.e("wjwj","---ViewRootImpl GMS Crash---");
                                  return;
                               }else{
                                   throw new WindowManager.BadTokenException(
                                        "Unable to add window -- token " + attrs.token
                                        + " is not valid; is your activity running?");
                               }
                               // add by wangjie for com.google.android.gms.ui crash
                           case WindowManagerGlobal.ADD_NOT_APP_TOKEN:
                               throw new WindowManager.BadTokenException(
                                       "Unable to add window -- token " + attrs.token
                                       + " is not for an application");
                      ... ...
               }
           }
       }
                ... ...
}

修改差异点如下

8b4734beedb5f17110f095bb8e08b90c.jpeg

Unable to add window -- token android.os.BinderProxy@f176911 is not valid; is your activity running?

三、setupwizard ConcurrentModificationException Crash

1.Crash Log如下:

--------- beginning of crash
01-01 12:00:00.918  1583  1583 E AndroidRuntime: FATAL EXCEPTION: main
01-01 12:00:00.918  1583  1583 E AndroidRuntime: Process: com.google.android.setupwizard, PID: 1583
01-01 12:00:00.918  1583  1583 E AndroidRuntime: java.lang.RuntimeException: Error receiving broadcast Intent { act=android.intent.action.TIME_SET flg=0x25200010 } in com.google.android.setupwizard.time.DateTimeMonitor$1@7465601
01-01 12:00:00.918  1583  1583 E AndroidRuntime:    at android.app.LoadedApk$ReceiverDispatcher$Args.lambda$-android_app_LoadedApk$ReceiverDispatcher$Args_52497(LoadedApk.java:1323)
01-01 12:00:00.918  1583  1583 E AndroidRuntime:    at android.app.-$Lambda$aS31cHIhRx41653CMnd4gZqshIQ.$m$7(Unknown Source:4)
01-01 12:00:00.918  1583  1583 E AndroidRuntime:    at android.app.-$Lambda$aS31cHIhRx41653CMnd4gZqshIQ.run(Unknown Source:39)
01-01 12:00:00.918  1583  1583 E AndroidRuntime:    at android.os.Handler.handleCallback(Handler.java:790)
01-01 12:00:00.918  1583  1583 E AndroidRuntime:    at android.os.Handler.dispatchMessage(Handler.java:99)
01-01 12:00:00.918  1583  1583 E AndroidRuntime:    at android.os.Looper.loop(Looper.java:164)
01-01 12:00:00.918  1583  1583 E AndroidRuntime:    at android.app.ActivityThread.main(ActivityThread.java:6523)
01-01 12:00:00.918  1583  1583 E AndroidRuntime:    at java.lang.reflect.Method.invoke(Native Method)
01-01 12:00:00.918  1583  1583 E AndroidRuntime:    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
01-01 12:00:00.918  1583  1583 E AndroidRuntime:    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:857)
01-01 12:00:00.918  1583  1583 E AndroidRuntime: Caused by: java.util.ConcurrentModificationException
01-01 12:00:00.918  1583  1583 E AndroidRuntime:    at java.util.ArrayList$Itr.next(ArrayList.java:860)
01-01 12:00:00.918  1583  1583 E AndroidRuntime:    at com.google.android.setupwizard.time.DateTimeMonitor.updateStatus(DateTimeMonitor.java:134)
01-01 12:00:00.918  1583  1583 E AndroidRuntime:    at com.google.android.setupwizard.time.DateTimeMonitor.-wrap0(Unknown Source:0)
01-01 12:00:00.918  1583  1583 E AndroidRuntime:    at com.google.android.setupwizard.time.DateTimeMonitor$1.onReceive(DateTimeMonitor.java:73)
01-01 12:00:00.918  1583  1583 E AndroidRuntime:    at android.app.LoadedApk$ReceiverDispatcher$Args.lambda$-android_app_LoadedApk$ReceiverDispatcher$Args_52497(LoadedApk.java:1313)
01-01 12:00:00.918  1583  1583 E AndroidRuntime:    ... 9 more
--------- beginning of system

d2c54da3ed4bc2414431b7ccc03cdb5b.jpeg

ConcurrentModificationException

2.解决方案如下:

此问题关键在于解决ConcurrentModificationException,但是没有GMS源码,只能尝试规避方案。
修改类如下:
/frameworks/base/core/java/android/app/LoadedApk.java

修改点如下:

public final class LoadedApk {
     ... ... 

        final class Args extends BroadcastReceiver.PendingResult {


              public final Runnable getRunnable() {

               ... ...
  
                      Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "broadcastReceiveReg");
                      try {
                          ClassLoader cl = mReceiver.getClass().getClassLoader();
                          intent.setExtrasClassLoader(cl);
                          intent.prepareToEnterProcess();
                          setExtrasClassLoader(cl);
                          receiver.setPendingResult(this);
                          receiver.onReceive(mContext, intent);
                      } catch (Exception e) {
                          if (mRegistered && ordered) {
                              if (ActivityThread.DEBUG_BROADCAST) Slog.i(ActivityThread.TAG,
                                      "Finishing failed broadcast to " + mReceiver);
                              sendFinished(mgr);
                          }
                          if (mInstrumentation == null ||
                                  !mInstrumentation.onException(mReceiver, e)) {
                              Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
                              //setupwizard TIME_SET RuntimeException Crash
                              if("android.intent.action.TIME_SET".equals(intent.getAction())){
                                  if(mReceiver.toString().contains("com.google.android.setupwizard")){
                                      android.util.Log.e("wjwj","---LoadedApk GMS  setupwizard Crash---");
                                      return;
                                  }
                              }
                              //setupwizard TIME_SET RuntimeException Crash
                              throw new RuntimeException(
                                      "Error receiving broadcast " + intent
                                              + " in " + mReceiver, e);
                          }
                      }
                             ... ... 
                  };
              }
          }  
     
     ... ...

}

修改差异点如下:

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throw new RuntimeException 异常没有被try-catch 导致crash

四、setupwizard ActivityNotFoundException Crash

1.Crash Log如下:

--------- beginning of crash
12-12 15:19:11.984  1471  1471 E AndroidRuntime: FATAL EXCEPTION: main
12-12 15:19:11.984  1471  1471 E AndroidRuntime: Process: com.google.android.setupwizard, PID: 1471
12-12 15:19:11.984  1471  1471 E AndroidRuntime: android.content.ActivityNotFoundException: No Activity found to handle Intent { act=com.android.wizard.NEXT (has extras) }
12-12 15:19:11.984  1471  1471 E AndroidRuntime:    at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1843)
12-12 15:19:11.984  1471  1471 E AndroidRuntime:    at android.app.Instrumentation.execStartActivity(Instrumentation.java:1557)
12-12 15:19:11.984  1471  1471 E AndroidRuntime:    at android.app.Activity.startActivityForResult(Activity.java:4228)
12-12 15:19:11.984  1471  1471 E AndroidRuntime:    at android.app.Activity.startActivityForResult(Activity.java:4187)
12-12 15:19:11.984  1471  1471 E AndroidRuntime:    at com.google.android.setupwizard.BaseActivity.startActivityForResult(BaseActivity.java:665)
12-12 15:19:11.984  1471  1471 E AndroidRuntime:    at com.google.android.setupwizard.BaseActivity.nextAction(BaseActivity.java:651)
12-12 15:19:11.984  1471  1471 E AndroidRuntime:    at com.google.android.setupwizard.BaseActivity.nextAction(BaseActivity.java:637)
12-12 15:19:11.984  1471  1471 E AndroidRuntime:    at com.google.android.setupwizard.user.SuggestedActionsActivity.onItemSelected(SuggestedActionsActivity.java:226)
12-12 15:19:11.984  1471  1471 E AndroidRuntime:    at com.android.setupwizardlib.items.RecyclerItemAdapter$1.onClick(RecyclerItemAdapter.java:106)
12-12 15:19:11.984  1471  1471 E AndroidRuntime:    at android.view.View.performClick(View.java:5624)
12-12 15:19:11.984  1471  1471 E AndroidRuntime:    at android.view.View$PerformClick.run(View.java:22285)

32dccc205acb865faf675886693877b5.jpeg

com.google.android.setupwizard 报错log

2.解决方案如下:

Instrumentation类中对Google开机向导进行特殊处理。
主要修改类如下:
/frameworks/base/core/java/android/app/Instrumentation.java
主要修改方案如下:

public class Instrumentation {

      ... ... 

      /** @hide */
      public static void checkStartActivityResult(int res, Object intent) {
          if (!ActivityManager.isStartResultFatalError(res)) {
              return;
          }
  
          switch (res) {
              case ActivityManager.START_INTENT_NOT_RESOLVED:
              case ActivityManager.START_CLASS_NOT_FOUND:
                  if (intent instanceof Intent && ((Intent)intent).getComponent() != null)
                      throw new ActivityNotFoundException(
                              "Unable to find explicit activity class "
                              + ((Intent)intent).getComponent().toShortString()
                              + "; have you declared this activity in your AndroidManifest.xml?");
                                  //GMS  Setupwizard ActivityNotFoundException Crash
                  if("com.android.wizard.NEXT".equals(((Intent)intent).getAction())){
                      android.util.Log.e("wjwj","Instrumentation  GMS  Setupwizard Crash ");
                      return;
                  }
                  //GMS  Setupwizard ActivityNotFoundException Crash
                  throw new ActivityNotFoundException(
                          "No Activity found to handle " + intent);
              case ActivityManager.START_PERMISSION_DENIED:
                  throw new SecurityException("Not allowed to start activity "
                          + intent);
              case ActivityManager.START_FORWARD_AND_REQUEST_CONFLICT:
                  throw new AndroidRuntimeException(
                          "FORWARD_RESULT_FLAG used while also requesting a result");
              case ActivityManager.START_NOT_ACTIVITY:
                  throw new IllegalArgumentException(
                          "PendingIntent is not an activity");
                 ... ...
                 }
            }
           ... ... 
}

主要修改差异点如下:

e29eb8203778fb4c0b44466461884658.jpeg

Instrumentation 类中对Google 开机向导进行特殊处理下

五、setupwizard On-body ActivityNotFoundException Crash

1.Crash Log如下:

--------- beginning of crash
12-31 19:00:26.668  2010  2010 E AndroidRuntime: FATAL EXCEPTION: main
12-31 19:00:26.668  2010  2010 E AndroidRuntime: Process: com.google.android.setupwizard, PID: 2010
12-31 19:00:26.668  2010  2010 E AndroidRuntime: android.content.ActivityNotFoundException: Unable to find explicit activity class {com.google.android.gms/com.google.android.gms.trustagent.discovery.OnbodyPromotionActivity}; have you declared this activity in your AndroidManifest.xml?
12-31 19:00:26.668  2010  2010 E AndroidRuntime:    at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1805)
12-31 19:00:26.668  2010  2010 E AndroidRuntime:    at android.app.Instrumentation.execStartActivity(Instrumentation.java:1523)
12-31 19:00:26.668  2010  2010 E AndroidRuntime:    at android.app.Activity.startActivityForResult(Activity.java:4229)
12-31 19:00:26.668  2010  2010 E AndroidRuntime:    at android.app.Activity.startActivityForResult(Activity.java:4188)
12-31 19:00:26.668  2010  2010 E AndroidRuntime:    at com.google.android.setupwizard.BaseActivity.startActivityForResult(BaseActivity.java:665)
12-31 19:00:26.668  2010  2010 E AndroidRuntime:    at com.google.android.setupwizard.BaseActivity.startFirstRunActivityForResult(BaseActivity.java:719)
12-31 19:00:26.668  2010  2010 E AndroidRuntime:    at com.google.android.setupwizard.user.SuggestedActionsActivity.onItemSelected(SuggestedActionsActivity.java:217)
12-31 19:00:26.668  2010  2010 E AndroidRuntime:    at com.android.setupwizardlib.items.RecyclerItemAdapter$1.onClick(RecyclerItemAdapter.java:106)
12-31 19:00:26.668  2010  2010 E AndroidRuntime:    at android.view.View.performClick(View.java:5675)
12-31 19:00:26.668  2010  2010 E AndroidRuntime:    at android.view.View$PerformClick.run(View.java:22641)
12-31 19:00:26.668  2010  2010 E AndroidRuntime:    at android.os.Handler.handleCallback(Handler.java:836)
12-31 19:00:26.668  2010  2010 E AndroidRuntime:    at android.os.Handler.dispatchMessage(Handler.java:103)
12-31 19:00:26.668  2010  2010 E AndroidRuntime:    at android.os.Looper.loop(Looper.java:203)

43dff4ec5953cdc8965056253388be32.jpeg

Unable to find explicit activity class Log

2.解决方案如下:

482551bcc3851dc7a31c24b08c1d830e.jpeg

com.google.android.setupwizard 解决方案

六、Google play Service NullPointerException Crash

1.Crash log

Google play Service 空指针的Log由于目前没有找到,后续补上。

2.解决方案如下:

主要修改类:
frameworks/base/services/core/java/com/android/server/pm/PackageManagerService.java
修改方法如下:

public class PackageManagerService extends PackageManagerServiceExAbs
          implements PackageSender {

 /**
      * Important: The provided filterCallingUid is used exclusively to filter out activities
      * that can be seen based on user state. It's typically the original caller uid prior
      * to clearing. Because it can only be provided by trusted code, it's value can be
      * trusted and will be used as-is; unlike userId which will be validated by this method.
      */
     private ActivityInfo getActivityInfoInternal(ComponentName component, int flags,
             int filterCallingUid, int userId) {
         boolean isAppClone = false;
         if (component != null && AppCloneUserInfo.containsCloneTag(component.getPackageName())) {
             userId = AppCloneUserInfo.getUserIdFromCloneTag(component.getPackageName(), userId);
             final String packageName = AppCloneUserInfo.removeCloneTag(component.getPackageName());
             final String className = component.getClassName();
             component = new ComponentName(packageName, className);
             isAppClone = true;
         }
         if (!sUserManager.exists(userId)) return null;
         flags = updateFlagsForComponent(flags, userId, component);
         enforceCrossUserPermission(Binder.getCallingUid(), userId,
                 false /* requireFullPermission */, false /* checkShell */, "get activity info");
         synchronized (mPackages) {
             PackageParser.Activity a = mActivities.mActivities.get(component);
 
             if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a);
             if (a != null) {
                 // SPRD: Add for AppClone (Components), generate activity info of owner.
                 int lastUserId = userId;
                 if(!mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) {
                     lastUserId = AppCloneUserInfo.adjustAppCloneUserId(
                             a.info.applicationInfo, userId);
                 }
                 if (mSettings.isEnabledAndMatchLPr(a.info, flags, lastUserId)) {
                     PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
                     if (ps == null) return null;
                     if (filterAppAccessLPr(ps, filterCallingUid, component, TYPE_ACTIVITY, lastUserId)) {
                         return null;
                     }
                     /* SPRD: modify to distinguish package of appclone @{ */
                     /*return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId),
                             userId);*/
                     ActivityInfo info = PackageParser.generateActivityInfo(a, flags, ps.readUserState(lastUserId),
                             lastUserId);
                     if (info != null && isAppClone) {
                         info.packageName = AppCloneUserInfo.addCloneTag(info.packageName, lastUserId);
                     }
                     return info;
                     /* @} */
                 }
             }
             // GMS  Google play Service NullPointerException Crash
             if (null != mResolveComponentName && mResolveComponentName.equals(component)) {
                 android.util.Log.e("wjwj","PackageManageServices GMS Google play Service NullPointerException Crash ");
             //      GMS  Google play Service NullPointerException Crash
                 /* SPRD: modify to distinguish package of appclone @{ */
                 /*return PackageParser.generateActivityInfo(
                         mResolveActivity, flags, new PackageUserState(), userId);*/
                 ActivityInfo info = PackageParser.generateActivityInfo(
                         mResolveActivity, flags, new PackageUserState(), userId);
                 if (info != null && isAppClone) {
                     info.packageName = AppCloneUserInfo.addCloneTag(info.packageName, userId);
                 }
                 return info;
                 /* @} */
             }
         }
         return null;
     }



}

Google play Service NullPointerException Crash主要修改点如下:

22d2b08cefe8276cd0de749e04475949.jpeg

Google play Service NullPointerException Crash主要修改点

七、恢复出厂设置或者第一次开机,先闪壁纸再显示开机向导

1.解决方案如下:

主要修改KeyguardServiceDelegate这个类。
frameworks/base/services/core/java/com/android/server/policy/keyguard/KeyguardServiceDelegate.java

  • 1.修改点1:

在此类中添加判断方法,获取手机DEVICE_PROVISIONED状态信息。

fffe9dbaea596269a5e264cbae61e61a.jpeg

在此类中添加判断方法

  • 2.修改点2:

此类的构造方法中,如果获取到的为true,先隐藏

c66a914e741aa4ac1bc7260a27191773.jpeg

此类的构造方法中,如果获取到的为true,先隐藏

  • 3.修改点3:

onScreenTurningOn 中判断显示

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onScreenTurningOn 中判断显示

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系统原生显示与隐藏方法

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### AppCrash 错误原因分析 AppCrash 是指应用程序崩溃的一种常见现象,通常发生在程序执行过程中因某些未捕获的异常而导致终止。这种错误可能由多种因素引起,包括但限于以下几种情况: 1. **动态链接库(DLL)冲突** 当系统中的 DLL 文件版本一致或被损坏时,可能会引发 AppCrash 错误。例如,在 Win7 系统中,如果某个模块加载失败或存在兼容的情况,可能导致此问题[^1]。 2. **软件本身存在问题** 软件可能存在 bug 或设计缺陷,尤其是在新版本发布初期。这些问题可能涉及内存泄漏、非法访问或其他逻辑错误[^4]。 3. **硬件资源足** 如果系统的物理内存或虚拟内存足以支持当前运行的应用程序,也可能触发 AppCrash 错误。此外,硬盘空间足或 CPU 占用过高也可能是原因之一[^5]。 4. **病毒或恶意软件干扰** 某些恶意软件会篡改正常的系统文件或注入有害代码到合法进程中,从而导致应用崩溃。这种情况可以通过安全工具检测和清除来缓解。 5. **操作系统配置当** 当的操作系统设置,比如注册表键值修改失误或环境变量配置错误,都可能间接造成 AppCrash 的发生[^5]。 --- ### 解决方案汇总 针对同场景下的 AppCrash 问题,以下是几类通用且有效的解决策略: #### 方案一:排查并修复 DLL 冲突 对于因 DLL 文件损坏或缺失造成的 AppCrash,可以尝试以下操作: - 使用系统自带的 `sfc /scannow` 命令扫描并修复受损的系统文件。 - 下载官方提供的最新版 DLL 并替换现有文件。 - 删除特定目录下与故障模块相关的临时文件(如 Normal.dot),以减少潜在影响。 #### 方案二:调整启动项优化性能 通过精简必要的后台服务和自启项目,能够显著提升系统稳定性。具体步骤如下: 1. 进入“运行”对话框 (`Win + R`) 输入 `msconfig` 后回车; 2. 切换至“启动”标签页勾选仅必要的选项; 3. 应用更改后重启设备完成生效。 #### 方案三:启用调试模式定位根本原因 借助专业的开发工具如 Visual Studio 或 Windbg 对目标可执行文件进行深入剖析,有助于发现隐藏深层次的问题所在位置及其性质。一旦确认具体的崩溃点即可采取针对性措施加以修正。 #### 方案四:重置相关路径参数 部分情况下,存储于 Windows 注册表内的某些关键数据遭到破坏也会诱发此类状况。对此可通过手动编辑相应条目将其还原至初始状态实现快速恢复目的。例如将 HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders 中 Personal 字段指向正确的文档保存地址[^5]。 #### 方案五:实施全面杀毒清理行动 鉴于外部威胁也是诱发病症的重要源头之一,定期运用可靠的防病毒产品进行全面体检显得尤为重要。这仅限于常规扫描还应涵盖深层防护机制以便彻底根除隐患[^1]。 --- ### 示例代码片段展示如何利用Windbg诊断崩溃源码 下面提供了一段基于 Python 实现模拟调用 CDB 工具自动捕捉崩溃日志的小脚本供参考学习之用: ```python import subprocess def capture_crash_log(exe_path): try: result = subprocess.run(['cdb', '-c', 'q', exe_path], stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True) print("Output:", result.stdout) print("Error:", result.stderr) except Exception as e: print(f"An error occurred while capturing crash log: {str(e)}") if __name__ == "__main__": executable = r"C:\path\to\application.exe" capture_crash_log(executable) ``` --- ###
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