Learn about android manifest application class, we have the largest and most updated android manifest application class information on alibabacloud.com
section will introduce you to the following:1. Define the core framework components of the application.2. A manifest file that you use to declare components and apply the required device functionality.3. Detach from the app code and allow your app to configure the resources appropriate to optimize its behavior for a variety of device configurations.Application ComponentsApplication components are the basic
The first thing we should know about the context:(1) It describes the information of an application environment, that is, the context.(2) The class is an abstract (abstract class) class, and Android provides the specific implementation c
I. Overviewwhen the project has a shell, plug-in or heat repair requirements, the ability to use the Proxy/delegate application framework, in normal mode, a program generally only has a application entrance, and proxy/ Delegate mode needs to have two application, the original program application changed to delegate
Android configuration file (3) ---- root node of the application
1.
Generally, when an Android application is generated, the default AndroidManifest. xml file contains some default
Android: backupAgent = "string"
Android:
A manifest can contain only one application node. He uses various attributes to specify the various metadata for the application (including title, Icon, and theme), and when developing the application, it should be a debuggable property with true to enable debugging, but you can disable the property at publish timeThe
pushregistry in Java me. For example, if you want to trigger your application when you receive a message, you can define a broadcast receiver in the manifest file of the Android application to trigger an activity.
As shown in the illustration above, the Application object
makes it visible to all applications. Android has compiled a lot of content providers for public data types (audio, video, images, contact information, and so on ). A Content Providers is executed as a subclass of Content Providers Class. You must use a standard API so that other applications can execute the Protocol public class MyContentProvider extends Conten
Application and Activity,service are a system component of the Android framework, and when the Android program starts, a Application object is created to store some information about the system. Usually we do not need to specify a application, then the system will automatica
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
zip. The subsequent application is similar to the second skin-changing method.The advantages of this approach are: the user has a sense of participation, high degree of freedom. Users can customize the skin of the software according to their preferences.5) Rewrite the SDK resource class:At an event in Cmdn this February 29, Xiaomi MIUI system engineer Dong Hongguang published a keynote speech on the Android
point of view, we need to consider which functions are provided to users as independent plug-ins. We will not detail them here. The following describes what needs to be done from the development perspective.
Ø framework functions to be developed in the main application:
Identify whether a specific plug-in has been installed (based on the package name of the plug-in)
If the version has been installed, determine whether the upgrade is required (the ser
silent installation.
4, Packageutils
Android Package Related tool class, can be used to (root) install the application, (root) Uninstall the application, determine whether the system application, such as:Install the app (Context, String), install silently if it is a system
Android Application Fundamentals-basic knowledge of Android applicationsApplication Fundamentals-basic Application knowledgeKey classes-Key classes
Activity
Service
BroadcastReceiver
ContentProvider
IntentIn this document -- In this article
Application Components
resources. However, Android applications can request permissions through the manifest file of the application.
Android applications allow other applications to access their resources by doing the following:
Declare appropriate manifest Permissions
The program runs in the sa
="@string/freneticLabel" . . . > activity> . . . application>manifest>
The name attribute of the element specifies the subclass of the activity class that implements the activity. The icon and label attributes point to the resource file that contains the icons and labels displayed to the user.
Other components are decla
[Android Application Development] Android APK decompilation obfuscation, decompilation, and androidapk
Decompilation Tool: Summarize the linux, windows, and mac versions, and put them on CSDN for download;
--CSDN:Http://download.csdn.net/detail/han1202012/8221787
Octopus @ octopus :~ /Decompiler $ tree-L 2. ├ ── linux │ ── apktool │ ── dex2jar-0.0.9.15 │ jd-gu
resources.
How to create a new custom style and theme:
1. Create a new file named Style.xml under the Res/values directory. Add a
2. For each style and theme, add a globally unique name to
As shown above, you can use the
Note the properties of the parent class in the
Notice we used the @ symbol and? Symbols to apply resources. The @ symbol indicates that the resource we are applying is defined previously (either in the previous pr
Data storage and interface display based on Android Application Development (I): android Application DevelopmentDirectory structure of the Android Project
Activity: interface displayed when an application is opened
Src: project
things that people share from other applications, such as sharing text or sharing pictures from a gallery, and so on, we'll use an example to explain what we accept from other applications. We're creating a new Android project, Name is Sharedcontext, modify manifest file We need to define in manifest file What intent this activity can receive, we need to creat
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.