android 2 2 update

Android development skills 2: Implementation of custom log tool XLog, Android xlog During the development process, printing logs is an essential part of debugging. However, directly using the built-in Log class does not meet our actual project requirements: if we are developing a relatively large project, there must be a lot of logs to be printed. When we get onl

Android Optimization-UI optimization (2), android ui OptimizationUseincludeTag reuse Layout-1.includeFunctions of tags What should I do if I use this layout on many interfaces? If every page is written, the code is too redundant and the maintenance difficulty increases. I will use this layout aboveincludeLabels, code is obviously more neat, and the layo

Android mistakes (2) and android mistakes Check whether or not minSdkVersion is the same as the package on which you are dependent. It also has a prompt that the local 11 is displayed and the dependent package is 15. Then change it to 15 and build again. ClassNotFoundException exception Check whether the prompt message seems to be the path of the confi

Android mobile guard-navigation interface 2, android guard For more information, see http://www.cnblogs.com/wuyudong/p/5947504.html. In the previous article, the layout of navigation interface 1 is implemented and related logic code is compiled, as shown in: Click "Next page" public class Setup1Activity extends Activity{ @Override protected void onCreate(B

Android callback function 2: application instance and android callback function If you do not understand the android callback concept, see android callback function 1: Basic concepts. 1. Define Interfaces package com.app.util;public interface ZYJCallBack { public void data

1. Example description Since Android 3.0, Android has introduced actoinbar. It must be said that before Android 3.0, the title bar of Android is really ugly and there is no function yet. In the past, the top columns of many applications were similar to Apple, for example. With the release and gradual expansi

Packaging tool, which is included in the tools/directory of the SDK. View, create, and update zip-compatible archive files (zip, jar, apk). It can also compile the resource file into a binary package. Although you may not often use appt directly, the build script (build scripts) and IDE plugin will use this tool to package the APK file to form an Android application. For more detailed use of the de

Develop an android driver that can count words (1) 5. Specify Driver-related information Although it is not necessary to specify this information, a complete Linux driverProgramThe driver-related information is specified. You must specify the following information for the Linux driver. 1. Module Author: specified using module_author macro. 2. Module Description: Use the module_description macro to sp

Android interview questions (2) and android interview questions 1. What is the difference between int and Integer? Java provides two different types: The reference type and the original type (or the built-in type ). Int Is the original data type of java, and Integer is the encapsulation class provided by java for int. Java provides encapsulation classes

Android common error handling (2) and android common error handling The test month is very busy. After the test, you can continue to write code and learn more ...... I hope you will give me more advice ~ 1. java. lang. OutOfMemoryError 2. Images cannot be filled with ImageView This solution is actually quite simple

Software Security and Reverse Analysis in Android [2]-apk anti-cracking technology and security protection mechanism In Android Application Development, after we develop the software, we do not want others to decompile and crack our applications, and cannot modify our code logic. In fact, in consideration of the security mechanism of applications, we hope that ou

("asset", "testAsset Resource error:" + t. getMessage ());}} Note that getResource () and getAsset () are both methods under activity, such as activity. getResource (). Resource and configuration changes Resources help localization, including adaptation languages, horizontal/vertical screens, screen sizes, and so on. The default folder described earlier in res can also have conditional adaptation-based folders that store XML files with the same name. These folders have the same ID in R. j

Animation can also be stored in an XML file, which improves the maintainability of the program. To write an animation in XML, follow these steps: 1. Create a folder named anim under the res folder 2. Create an xml file and add the set tag first. Modify the tag as follows: Android: interpolator = "@ android: anim/accelerate_interpolator"> 3. Add the rotate, alpha,

-inDxplugininitializerin class Dxplugininitializer ?FixThemeThe crash problem that brought ?Launch PluginActivity1 get plug-ins with reflection Activity the default constructor2 by Reflection New out a plugin and turn it into a strong Idxplugin3 Callback Onattach method Incoming Prxoy the reference4 called onCreate method to adjust the plug-inYou can directly refer to the demo:http://download.csdn.net/detail/yaya_soft/8858645 Copyright NOTICE: This article for Bo Master original article, witho

: ?put each plugin'sActivityabstract into a "plugin"? Idxpluginrealized theActivitythe Main method? Onattachmethod is a plugin-specific callback method that when the plug- inActivitywasProxyLoad Time. putProxyis assigned a reference value to the thatdxintent:? Pluginpackgename:Jump toPluginthe package name, i.e.Manifestin thePackageNamepluginclassname: Jump plugin specified in the Activityname, can be passed NULL, the default is to jump main Activitydxpluginbaseactivity, dxpluginbasefragmentact

. Which of the following methods is correct for custom styles? A. B. C. D. 10. The methods that may need to be rewritten when using Menu in android are (ac ). (Multiple options) A, onCreateOptionsMenu () B. onCreateMenu () C. onOptionsItemSelected () D. onItemSelected () 11. Run the following T-SQL statement in SQL Server Management Studio with the output value (c ). SELECT @ IDENTITY A. It may be 0.1 B. It may be 3 C. Impossible-100 D. It must be 0.

Create a blank project MyApplication, the project directory is as follows:1). Idea. idea is a number of XML configuration files, including copyrights. This section is limited in knowledge and will be supplemented by subsequent understandings.2) AppApp to MyApplication is equivalent to project's workspace for Eclipse, which belongs to module in Android Studio. There are two folders in the SRC directory: andr

This article describes how anti-virus software and viruses obtain all notifications in the notification bar and use the information to kill applications. In the previous article, I used the root permission to perform a silent installation. Some people will say that the APK will be installed. Anyway, my brother has the Kingsoft mobile guard, and my brother has 360 active defense ...... They will send me a notification! After a new application is installed, the mobile phone will send broadcasts. T

-10 Samples-2.1_r01-linux.zip Samples/Android-7 Samples-2.2_r01-linux.zip Samples/Android-8 Samples-2.3_r01-linux.zip Samples/Android-9 If you want to install Google API, address in analysis: http://dl-ssl.google.com/android/repository/addon.xmlDownload the packages you need

Today is the fifth lesson, mainly about Android Tablelayout and Framelayout.did not explain absolutelayout. We should eliminate the use of this layout.Play Address:Lesson Five Click to openAbout Whistling Android Videos:The most important feature of this video is practical, which should be said, which should not be said, I have done careful consideration. There is no imaginary head eight brain, pedantic, al