how to fix apps crash on android

ProblemReact-native version 0.53.3React-native-splash-screen version 3.0.6When everything is properly configured, the following issues occur:Debug Error in Android Studio isandroid.content.res.Resources$NotFoundException: Resource ID #0x7f040038 type {这里是#什么的} is not validReasonReact-native-splash-screen versions 3.0.1 and 3.0.6 differThe differences are as follows, the following is 3.0.6 Version:The newly referenced color can be seen by these two fil

Android gets the wifi list. If you ignore this details, your software may crash. androidwifi I. Business Description Recently, the company has a small demand,The user clicks the wifi scan button (Note: The user actively clicks the wifi scan button)The app scans nearby wifi and displays it in listView. That's all. apps do not need to connect to a certain wifi. It

thread, and the UI interface must be updated by the UI thread. However, Android provides several ways to update the UI thread. The following is a handler way to update the UI, make a simple change. More about UI thread updates see: http://gqdy365.iteye.com/blog/21124711. Add a Handler property PrivateHandler Handlerlistview =NewHandler () {@Override Public voidhandlemessage (Message msg) {Super. Handlemessage (msg); Bundle Bundle=(Bundle) msg.obj;

various scenarios in which we insert the code will succeed. We have only one purpose, that is, how to dynamically inject each method in this class into the dynamic code mentioned earlier:if (changequickredirect! = null) {if (Patchproxy.issupport (New Object[]{xxx,xxx,...}, this, Changequickredirect, false) {return ((XXX) Patchproxy.accessdispatch (new object[0], this, Changequickredirect, false));}}Insert a static variable in the class:public static Changequickredirect Changequickredirect;The p

Vulnerability Analysis Report of General Dos for Android apps When 0xr0ot communicates with Xbalien about all types of exceptions that may cause application Denial-of-Service (DoS), a common Local Denial-of-Service vulnerability is found. This generic Local Denial-of-Service can cause a large area of app Denial-of-Service. The denial of service for serialized objects is mainly because the getSerializableExt

of applications, such as the map app, but rather that only applications that can view the image respond to this intent. Verify that the intent is valid:Although the Android system built-in applications (such as phone, mail, calendar) can guarantee that some intent will definitely be responded to, but before you send a intent it is best to verify that intent can be processed by the system. If you send a intent without an application to handle, th

we create a UI for the layout alone, we create an app that abuses memory, and it has a nasty delay in the UI. To achieve a smooth, low-footprint UI, the first step is to search your app to find out the potential bottleneck layout. Use the Hierarchy Viewer tools tool that comes with the Android sdk/tools/.Another good tool is lint, which scans the application's source code for possible bugs and optimizes control results. Recommendation 10: How to

create a UI for the layout alone, we create an app that abuses memory, and it has a nasty delay in the UI. To achieve a smooth, low-footprint UI, the first step is to search your app to find out the potential bottleneck layout. Use the Hierarchy Viewer tools tool that comes with the Android sdk/tools/.Another good tool is lint, which scans the application's source code for possible bugs and optimizes control results.Recommendation 10: How to

HandlerThread.setdefaultuncaughtexceptionhandler ( This); } @Override Public voiduncaughtexception (thread thread, Throwable ex) {System.out.println ("Uncaughtexception"); System.exit (0); Intent Intent=NewIntent ( This, Mainactivity.class); Intent.addflags (Intent.flag_activity_clear_top|intent.flag_activity_new_task); StartActivity (Intent); } } Finally, you need to configure the application label android:name= "in manifest. MyApplication ", let the entire application use our

of tools to help you find memory leaks, click here to view them.Reference Links: Memory analyzers Heap Memory Viewer Introduction Memory Monitor Avoid memory leaks in Android OneAPM Mobile Insight provides a real user experience as a metric for Crash analysis, monitoring network requests and network errors, and improving user retention. Visit the official website of OneAPM for mor

pull or sleep state, which is why you should use Alarmmanager or configure attribute stopself () at the end of the service.Recommendation VIII: Other considerationsCheck the status and network status of the battery before making the overall update, and wait for the best state for a large-scale reload operation;Let the user see electricity situation, such as update cycle, background operation;Implementing a low memory footprint UIRecommendation IX: How to find layout display problemsWhen we crea

BackgroundWhen the app after the release of an emergency online bug, the whole company will be busy, the company if the line of serious P1-level bug, or even the whole project team in the middle of the night to get emergency repair on-line, and the cause of the bug may just pass the wrong parameters, or write the wrong line of code, And the repaired app has to be re-shelves until the bug is corrected after the user updates. The emergence of the hot repair technology can greatly alleviate this si

Google releases emergency security patches to fix privilege elevation vulnerabilities that affect Android operating systems (CVE-2015-1805) Google released emergency security patches to fix Privilege Escalation Vulnerability CVE-2015-1805 that affects Android operating systems. Affects all Nexus devices and some

A description of the 64k reference limit Android application (APK) files contain executable bytecode files in the form of Dalvik executable (DEX) files, which cont Ain the compiled code used to run your app. The Dalvik executable specification limits the total number of methods that can is referenced within a single DEX file to 65,536-including Android Framework methods, library methods, and methods i

by the author are as follows: AndFix AndFix is an online hot Patching framework for Android apps. With this framework, we can modify bugs in the App online without recurrence. AndFix is short for "Android Hot-Fix. Currently, AndFix supports Android 2.3 to

-onsaveinstancestate-hhttp://stackoverflow.com/questions/14278763/ Call-onsaveinstancestate-without-calling-super-onsaveinstancestateoutstateSolution:in overloaded onsaveinstancestate () , do not call the Super () method , because calling the Super method, at API level greater than 11 o'clock, can cause a crash . @Overrideprotected void Onsaveinstancestate (Bundle outstate) { //no call for Super (). Bug on API level > 11.// super.onsaveinsta