1. Linear layout:Linear layout is one of the most common classes in all la s and is also the parent class of the radiogroup, tabwidget, tablelayout, tablerow, and zoomcontrols classes. Linearlayout can arrange its child elements in a vertical or horizontal line (if no direction is set, the child elements are arranged in the vertical direction by default ).For example:
Java code:
Android: Orientation = "ver
There are usually two ways to develop Android applications: ndk and eclipse, or add them directly in the android SDK. This section describes how to add an application in the android SDK environment. It involves JNI and Java calls to JNI. The JNI code file is C ++.
The first step is to establish the JNI-Layer
An analysis of Android source code (III)--android AOSP 5.1.1 Source sync sync and compile make, set up Samba server for more convenient burn-in machine
Recently busy, but also maintain their own blog, video and the public number, also did not carefully comb the source of the entry logic, today is to tell a source of play, you crossing, learn together!
transmit data between pages through the domain (Request/response/session. So how can we pass parameters between Android activities?
You can use the intent. putextra method to add parameters for the intent. After opening a new activity, you can use this. getintent (). getstringextra () and other methods to obtain parameters.
Iii. Request Code and result code
In t
This example describes the Android programming unit test. Share to everyone for your reference, specific as follows:
Full instance code code click here to download the site.
This article is based on the previous article, "Unit Test for Java programming (JUNIT) example analysis" to continue to explain the Android unit
Independent of the system app in the android source code, developed like a common app, Android appI personally recommend that you first import the formatted xml and import in the ide/eclipse of the android source code to your compiled eclipse. If the
layer [Linux KERNEL]:Contains the Linux kernel and driver modules (such as USB, Camera, Bluetooth, etc.).Android2.2 (code Froyo) is based on the Linux kernel version 2.6.2. LIBRARIES layer [LIBRARIES]:This layer provides a dynamic library (also called a shared library), an Android runtime library, a Dalvik virtual machine, and so on.The programming language is mainly C or C + +, so it can be simply regarde
), and the vertical is the Y axis (1 to the downward direction, respectively, 0, 1, 2, 3 ). Daming Original: For reprinted, please indicate the source: http://blog.csdn.net/wdaming1986/article/details/6978814. First, let's look at the code in the layout file:
Figure (1) figure (2)
The code in the layout file is as follows:
[HTML]
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Licensed under the Apache license, version 2.
I do not know that you notice no, in the simulator is installed after the installation can not run, now, because the project needs, also need to implement the same function, nonsense not much to say, directly on the code.Package Com.example.checkisemulator;import Android.os.build;import Android.os.bundle;import android.app.Activity; Import Android.content.context;import Android.telephony.telephonymanager;import Android.view.menu;public class Mainactivity extends Activity {@Overrideprotected void
Use of IntentService in Android and its source code parsing; androidintent source codeWhy do we need IntentService?
In Android, IntentService is inherited from the Service class. Before we discuss IntentService, we should first consider the features of the Service: the Service callback method (onCreate, onStartCommand, onBind, onDestroy) all are running in the ma
Android custom circle progress and display percentage example control (implemented in pure code), android percentFirst of all, I would like to thank the company for giving me free time to stabilize my technology and allow me to constantly explore and research. I am very grateful here.Let's take a look at the effect without talking about the implementation functio
[Android] in-depth analysis of scroler and Android scroler from the perspective of source code
The source must be indicated for reprinting. Thank you! Http://blog.csdn.net/chdjj
In this article, I will analyze the Scroller class from the source code perspective. When reading this article, we suggest you check the sour
How to import the Android system source code to Android studio: androidstudio
The directory structure of the Android source code is as follows:
| -- Makefile| -- Abi (applicationbinary interface, which is an application binary interface that generates libgabi ++. so library
This problem occurs recently when an android application is used. The customer requires that the function be registered before it can be used, and the program itself is not used online. Therefore, the machine code registration mechanism should be added to the program.
It is well known that android applications are developed based on Java. If no processing is per
Android development tips: view the source code of external dependent jar _ android private libralies does not allow modifications to source
When developing android applications in Eclipse, you sometimes want to view the internal implementation of the function, but when you click ctrl and the left mouse button on the fu
Android development tips: view the source code of external dependent jar _ android private libralies does not allow modifications to source, androidjar
When developing android applications in Eclipse, you sometimes want to view the internal implementation of the function, but when you click ctrl and the left mouse butt
Analysis of Android source code design patterns Reading Notes-design patterns you should know in Android
On and off, I also read the Android source code design pattern parsing. Many design patterns are mentioned in the book, but some of them are very likely to be seen in d
Android multi-thread download tool core code sharing, android download Tool
First, we will share with you the core multi-thread download class:Press Ctrl + C to copy the code
Press Ctrl + C to copy the code
The following is the logic cod
How to Use Android Studio to develop/debug the Android source code, studioandroid
This article uses the development/tools/idegen/README in the source code as the guiding document.
Environment: Ubuntu 14.10, openJdk 1.7, Android Studio 1.0.2,
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