how to program android

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How do I install the map program on an android real machine without built-in Google map add-on?

If you want to install an app with Google map add-on the android real machine, you need Google map add-on to the real machine itself. How can we install an app with no built-in real machine? Not all android real machines contain Google map add-on. To build Google map add-on, you need to discuss it with Google.However, if we develop an android application that u

3. Android Program Generation steps

step: Convert. class files to. dex files supported by the Davik VM input. class file (including Aidl. class file, R generated. class file, source file generated. class files), library file (. jar file) Output the. dex File tool Javac tools Fifth step: Package generate unsigned. apk file "Enter" the packaged resource file, the packaged class file (. dex file), the Libs file (including the. So file, of course,Multi-project does not have such a file, if you do not develop with C + +) "Output" uns

Android Program Development: (2) Intention of use-2.1 link Activities

An Android app can contain zero or multiple Acivity values. When your application contains multiple activities, you usually need to jump between them. In Android, Intent components are required to complete these operations.The best way to understand this important and abstract concept is to try it. The following example shows how to jump between two activities.1. Create a project named UsingIntent.2. Create

Using an existing SQLite database in an Android program

In the Chinese search, did not find a better about how to use their own pre-created database in the Android application of the article, so on Google to find this English article, according to its steps, test success, decided to translate this article roughly, want to see the original can click here:/http www.reigndesign.com/blog/using-your-own-sqlite-database-in-android-applications/, this article has more

How the Android client program Gradle packaged _android

configuration Buildscript {repositories {jcenter ()} dependencies {classpath ' com.android.tools.build:gradle:0.12.+ '}}//project configuration version number, with APK output Directory Ext.appversioncode = 2 Ext.appversionname = "2.0" Ext.appreleasedir = "/users/freedoms/desktop/release" Apply PLU Gin: ' com.android.application '//Get timestamp def getDate () {def date = new Date () def formatteddate = Date.format (' yyyyMMdd ') r Eturn Formatteddate}//Package configuration

Start the Android program and switch the listening mode

Requirement: Set an android Application to start a service when it is started. This service is used to listen for switching in the context mode. First, you must know that the launch program in android is implemented through the broadcast mechanism. After the android mobile phone is started, the system will sendAndroid.

Android Running Linux executable program

/**************************************************************************** * Android running Linux Executable program * Declaration: * 1. Linux executables can not be placed on the sdcard, will cause no permissions, it is strongly recommended to put in the */data/directory, my executable is placed in the/data/local/. * 2. The Linux executable is placed on the target machine via the adb.exe of the SDK, an

Several methods of exiting the program in Android development

Reference: http://johncookie.iteye.com/blog/890734Android program has a lot of activity, such as the main window A, called sub-window B, sub-window B and call child window C,back back to sub-window B, in B How to close the entire Android application? Here are a few ways to use it.1. Finish () methodFinish is the activity class, only for the activity, when the call to finish (), only the activity is pushed b

Android Development Example Multi-point touch program _android

Multi-touch operation of intelligent terminal Equipment brings us all kinds of cool experience, which also makes many Android developers interested in the development of multi-touch programs. In fact, the implementation of multi-touch programs is not so remote, but relatively easy. This article mainly through an example to explain the realization of multi-touch program. Let's start by understanding the fun

The Android Network program transmits data to the server (ii)

The Android Network program transmits data to the server (ii)Please respect the results of other people's work, reproduced please specify the Source: Android Network Programming transfer data to the server (ii)I have in the "Android network programming data to the server (a)" article describes how to pass the data to

Android voiceprint recognition program

Recently, I developed a voiceprint recognition application on the Android platform with my friends. It took several months to complete the application in the early stage. The name is defined as "superlock. You can download it at http://code.google.com/p/voiceprint-model-builder-for-superlock/downloads/list. Let me briefly introduce the Start Plan: The problem was raised mainly from Android, which is now the

Implementation of a simple phone call program for Android _ student originality

Implementation of a simple phone call program for Android Step 1: Interface Design Step 2: overall implementation: Phone call is the main function of mobile phones. The first program in Android is to implement the call function. 1. First, add the corresponding text information to strings. XML in the values directory.

Android Studio installation, configuration and first program demo

is my introduction to the Android Studio installation and configuration process, and the first example of the program shows that, due to different machines, the intermediate process may be slightly different.Wen Mei: At that time the author in the actual operation walked a lot of pits, fortunately finally jumped out, I hope this article can give you some inspiration and help, less go some detours. If you h

Android Program Crash exception handling

In writing the program, will certainly encounter a variety of problems, in solving these problems must be to see the console printing exception information, according to the control desk printing abnormal information to be targeted to solve.Then to solve the problem of the program running on the user's phone crashes, you must find the cause of the problem. It is therefore necessary to collect crash informat

Key lock screen of one Android Program

Key lock screen of one Android Program (1) The layout file activity_main.xml is as follows: (2) MainActivity. java Package com. xuliugen. lockscreen; import com. itheima. lockscreen. r; import android. app. activity; import android. app. admin. devicePolicyManager; import

Android program to achieve sliding switch effect (with demo source download) _android

). Show (); Break } Private String GetState (Boolean state) {if (state) {return "open"; Return to "off"; } } Implementation is still very simple, mainly or coordinate what needs to be calculated and adjusted. Of course, there will be a number of bugs exist, there is a need to go down to modify their own, you can also discuss with me. For more information on Android-related content readers can view the site topics: "The

Android Learn three---create the first program

1. Create a HelloWorld program 1.1 new-android ApplicationClick File-new-android Application The following screen appearsFill in the Application name, project name, package name, select the minimum required SDK version, target version and compiled version, next nextSelect an activity, the default is blank. Then finish.The good one

Android system executes Java JAR Program--Dalvik running Dex Java Project

This article is only for pure Java Project execution interpretation, generally in the PC platform as a jar package exists, on the Android platform in the form of Dex package.Java is a high-level programming language, and Java programs need to run in a specific virtual machine, and the virtual machine translates Java bytecode into corresponding machine instructions for execution. Different platforms have different virtual machines that correspond to th

Android Development Exit Program Summary _android

The Android program has a lot of activity, such as the main window a, calling child window B, and child window B calling the child window C,back returns child window B, how to close the entire Android application in B? The following cloud Habitat Community Small series to introduce the Android development of the exit

Android Development Note "Program install package APK production"

Resource Source: http://blog.csdn.net/qualcent/article/details/6959547After completing the Android project, you will need to package the program into an APK file (Android packages) with the prefix ". apk" appended. The packaged apk file can be run on an Android emulator or Android

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