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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 causes and solutions of the crash, and how to ca

How to add new key to Android from kernel to Android framework and Android Application Test Kernel layer: 1: We use kernel matrix-keypad to register 3*3 key # Ifdef config_keyboard_matrix/* Gpio matrix keyboard */Static const uint32_t 89c64xx_matrix_keys [] = {Key (0, 0, key_p1 ),Key (0, 1, key_left ),Key (0, 2, key_up ), Key (1, 0, key_p2 ),Key (1, 1, key_enter

How can I easily download the source code of Android devices? Tsinghua University Android source code image, android source codeToday, I found that Tsinghua University provided AOSP images, which were downloaded and updated synchronously from Google's site, but now it is much better to have an image site in China.Help: https://wiki.tuna.tsinghua.edu.cn/MirrorUsag

Recently, read a book, called "The first line of code", is a blogger written by Csdn, an Android entry-level book, more suitable for beginners. After reading the book, feeling and hair, want to do Android development has been more than a year, but lack of systematic learning, knowledge disorganized, not organized and summarized. So, think I can try to write some articles, to my previous knowledge and work e

Summary of Android error messages and android error messages Remind yourself of your mistakes. [Error message][16:39:10-ApiDemos] WARNING: Application does not specify an API level requirement![16:39:10-ApiDemos] Device API version is 8 (Android 2.2)Cause:Normal operation is not affected. No API version is added to the AndroidManifest. xml file, and [16:55:04-Api

This is a root cause. Android is a new platform because Google has a powerful advantage and Java has been controlled by mobile phone vendors. Therefore, sun has very weak control over Java, so it is appropriate to learn Java. I found a lot of explanations about android on the Internet. I found a good one and posted it to share it: The tool chain and development tools provided by

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://.

Understanding of callback functions in Android --- I am a beginner in Android and a callback function in android I am a sophomore from the National Congress. I just got in touch with Android and the cnblog blog I just applied for. I 'd like to explain my understanding of the callback function in

Android cainiao study notes 16 ---- Android project package installation process (Run as Android Application), androidapplication Right-click the project name and Run as Android Appication,Android project package and Installation Process: 1.generate The. APK file: 1) Compile

In android development, ListView is a commonly used component that displays specific content in the form of a list and can be automatically displayed based on the length of data. The display of the list requires three elements: 1. ListVeiw is used to display the View of the list. 2. the adapter is used to map data to the mediation on the ListView. 3. The specific string, image, or basic component of the data to be mapped. Based on the list of adapter

Android (Android) failed while building the project. There are several workarounds for Androidmanifest.xml file missing? (in summary)Eclipse New Project. Encounter this problem. Note For example the following:1, the file name is best not in Chinese.2. Do not use Chinese in the folder.3, this will not be wrong, but out of programming habits. The first letter is best capitalized.Android (

[Android instance] resumable download for Android, android instance What we often encounter during development is download. There are many download methods, so how can we achieve resumable download! Many people have a headache. If we do not have good logic, it is really not easy to solve. I have sorted out a project based on my previous documents to download mul

[Android] android communication protocol and android communication protocol 1. Data Differentiation Mobile Phone: constant Storage Server: Database Table creation and storage 2. Data Source Android, ios, pc, wap 3. Data collection and data mining IMEI: device ID IMSI: SIM card number 4. Data Encryption 4.1RSA Algori