Alibaba Android interview analysis: tracking and analysis of android application crash (crash) issues, Alibaba Security Android
I. Problem DescriptionA Crash (Crash) occurs when a client program exits the application when it encounters an exception or error that cannot be handled during running, please refer to the cau
1, can solve the difficulties of domestic access to Google serverLaunch Android SDK Manager, open the main interface, select "tools", "options...", pop up the "Android SDK manager-settings" window;In the Android SDK manager-settings window, fill in port"and 80 in the"http proxy server"and"http proxy mirrors.neusoft.edu.cn input boxes, and select "force https://.
checkbox. ImageView's pictures appear repeatedly) can become chaotic.General treatment. There needs to be a mechanism to manage a corresponding relationship: What is the state of the current positionLet's say the checkbox checks for state confusion:Class Myadapter extends StonelistadapterAbout SparsearraySparsearray internal implementations are array arrays. When the length is insufficient, the system.arraycopy is calledThere are two arrays of keys and values inside.Put (key, value); Binary fi
Android introduced a privilege mechanism the initial point of view is to strictly control and handle security issues through a privilege policy, see: The following two articles, but there are still some small but not negligible questions about the Android authority's mechanism, and the so-called while outsmart, There are still a few ways to bypass permissions. Th
Guide: This article explains how the system registers the dynamic broadcast and the static broadcast, here mainly notices its registration order
This article is mainly for my first two articles
Android security Issues (iv) preemptive boot-result article
Android security Issues (v.) Preemptive intercept message-resul
also choose to upload the specified ABI version of the APK in the app market, generate different ABI version of the APK can be configured in Build.gradle as follows:Android {...Splits {abi {enable true reset () include' x86 ',' x86_64 ',' armeabi-v7a ',' arm64-v8a 'Select ABIs to build APKs foruniversalapk true//generate An additional APK, contains all the ABIs}}//Map forThe version code project.ext.versionCodes = [' Armeabi ':1,' armeabi-v7a ':2,' arm64-v8a ':3,' MIPS ':5,' Mips64 ':6,' x86 ':
Android Accessibility (Auxiliary Function) security issues, android auxiliary functions
Android provides the Accessibility function and service to help users who are unable to conveniently use Android smartphones due to visual acuity, hearing, or other physical causes, inclu
down the httpcomponents client.This is the piece of the Apache httpclient that is part of the piece about the parts for AndroidPoint in, the results are clear.The above background introduction, in the Google Android1.0 version of the time, the Apache 4.0 version integrated into the. At that time 4.0 was a relatively mature project, Apache official began to think that Android with the upgrade will httpclient will also upgrade integration. But Google h
Loader] Unable to execute dex:multiple Dex files define Lcom/android/ Volley/volleyerror;[2016-06-01 12:03:51-ex33_ using Gson Package parsing JSON] Conversion to Dalvik format failed:unable to execute DEX:MULTIPL E dex files define lcom/android/volley/volleyerror;Cause: Multiple uses of the same library, library conflictsFIX: Delete One of the duplicate libraries used in the project4. using the UIL runtim
dex:Cause:com.android.dex.DexEcception:Multiple dex files define ....Cause 1: Repeating the Guide packCause 2:buildtoolsversion and compilesdkversion versions are incorrectResolution: Corresponding to the above reasons for modification, I was the reason for the second one.18. Error:org.gradle.api.internal.tasks.defaulttaskinputs$taskinputunionfilecollection cannot is cast to Org.gradle.api.internal.file.collections.DefaultConfigurableFileCollection Possible causes for this unexpected error Incl
Consle:
Android requires compiler compliance level 5.0 or 6.0. Found ' 1.8 ' instead. Please use Android Tools > Fix Project Properties.
However, following the prompt method, right-click Project-"Android tools-" Fix project properties when found and no OVA used ...My solution is:Right button Project-"Properties, change the Javacompiler to 1.7 version, 1.6
1. PrefaceWith the further development of hardware and software, Android devices using 64-bit CPUs have begun to be very common. However, when I tested the ARM64-V8A (64-bit architecture) Android device, I found that there was a program crash flashback in the link to the ArcGIS Android API, and I found out that the ArcGIS Runtime SDK for
NotificationRecord{40dacad8 pkg=com.htc.android.psclient id=7f020010 tag=null pri=100}
Then extract the package name.
Here, the regular expression is used to extract the package name. If you want to know the regular expression, you can refer to my regular expression tutorial.
Getting started with regular expressions (Java)
The execution result here is (it seems that two notifications are prompted for one application)
app:pkg=com.zdworks.android.toolboxapp:pkg=com.zdworks.android.toolboxapp:pkg=
use our application Icon Value properties, TOEFL test time specific steps such as, plus the following circled statementAn error occurred on Git Push commit to GitHubSolution:1, the main reason is that there is no update to the latest version of the project (git has readme.md file not downloaded)2, first code merge, git pull--rebase Origin master, then commit code, GIT push-f Origin master(14) After upgrading Android Studio2.3, Packaging release error
Recent projects have used the V7 package, which contains V4. When I import the other library inside also bring the V4 package to cause the conflict.There are several ways to find solutions on the Internet:1. Delete one of the V4 packages. No, there will be an error. 2. Copy one of the packages to the same location as the other package and overwrite them. No, it will be an error. Finally, finally find a problem, need to the library order and export jar package uncheck.Specific steps right-Library
Similar format,Listview_item.xmlListView Highly Adaptive Code:public static void Setlistviewheightbasedonchildren (ListView listview) {ListAdapter ListAdapter = Listview.getadapter ( ); if (listadapter = = null) {return;} int totalheight = 0;for (int i = 0; i Conflict:If the ListView is not self-adaptive if nested in ScrollViewPlease call the Adaptive method after Setadapter. If you have any good implementation of the table method in addition to Recyclerview please recommend thank you.The ListVi
Android Studio Simple Introduction and Usage issues SummaryThis development tool was introduced by Google at the 2013 I/O developer conference. It has now been updated to version 0.5.8.Many of GitHub's projects are now developed using Android Studio, so if you still use eclipse, you need to split the entire project,And then in the project include dependent packag
Introduction: This is a collection of [Android underlying development] Android development issues. It introduces Java-related knowledge, skills, experiences, and some java source code.1. What issues should I pay attention to when sending software to the Android Market?Many n
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