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Differences between Android TV app and mobile app: androidappOne of the company's projects is for android TV. Thanks to the daily report, summary: android TV app presents the difference between the ui and mobile app.The main diffe
One app in Android launches another application generally there are 2 different cases,The package name of the application being launched is known and unknown in two cases:1 The package name of the app being launched is known: /** launches another applied code, where the app's package named PackageName, the application's entry is packagename.mainactivity,
in the values/directory describe multiple resources. For a file in this directory, each child of the element defines a single resource. For example, the A element creates an R.string resource and a element creates an R.color resource.Because each resource are defined with their own XML element, you can name the file whatever you want and place different res Ource types in one file. However, for clarity, your might want to place unique resource types in different
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Second, code writing
When you're ready, you can finally start writing our Hello Android, and before we start writing the code, we'll look at a few files:
Res/layout/main.xml app main form layout file, what your application looks like in this definition, there are design and text two modes
Res/values/strings.xml can be understood as a i18n file, which is
: @ com.android.dx.command.dexer.Main.main (main.java:199) at Com.android.dx.command.Main.main (main.java:103)That's right. The number of Dex file methods in your app exceeds the maximum limit of 65536, so simply put, the app is bursting.So let's see why this error is caused:In the Android system. All the code for an App
Smalidea + IntelliJ IDEA/Android Studio dynamic debugging Android app tutorialSmalidea
Smalidea is an IntelliJ IDEA/Android Studio smali language plug-in that enables dynamic debugging of smali code.
Github address:https://github.com/JesusFreke/smali/wiki/smalidea
:https://bitbucket.org/JesusFreke/smali/downloadsDynami
Reading and Writing Android files and reading and writing Android files
Android uses IO streams to read and write files in the same way as JavaSE. In addition, Android uses the JavaSE I
Brief introduction:This article describes how developers ' apps use media storage services (including Mediascanner, Mediaprovider, and media information parsing) in Android, and how to update the app's new or modified files to the media database, How to hide the files generated by the app in the multimedia application,
App widgets are also a UI component that can embed a small program (program piece) into the desktop. Compared with common widgets (such as TextView and WebView), the following differences exist:
An App Widget is a live UI component that automatically updates its content;Widgets cannot automatically update their own content and can only passively wait for user calls;In applications, because of the automatic
Android's automated testing has many frameworks, where UI Automator is the official black-box UI-related automated test tool (GitHub homepage: Case used in Java, and today we practiced the sample program in the official document, There are still some small problems to be summed up.Environment Preparation:1.JDK (yes, you are not mistaken, basic Android development environment necessary), as well as the corresponding environment variable configuration,
Analysis of App engineering files
For information on how to create one of the simplest Android apps please refer to the link:
Android Learning Notes (i) Environmental installation and the first Hello World http://www.jb51.net/article/52593.htm
The completed engineering files
Mac OSX platform, play Android app! Even the fire-red Demon Tower is no problem! Due to the prunes of the installation process, it is also easy to simplify, so that you can complete the installation quickly.
Prepare files:1.VirtualBox:Official Web download2.Genymotion:Registration Download3.Android SDK:Officia
This example describes the Android Desktop plugin app widget usage. Share to everyone for your reference, specific as follows:
application window Widget App Widgets
The application window widget (widget) is a tiny application view that can be embedded in other applications (such as the desktop) and receive periodic updates. You can use an
is your current operating system, from your current operating system import files to the AVD sdcard two buttons have been activated. Left export right import.Click Import to select the files you want to import, you can import only one file at a time, very egg hurts ...Ii. Browsing the SDcard file in the AVD1. AVD's own new device, no browser to provide sdcard files
to true in their manifest.xml files, which can be protected from out-of-memory killer. Androidmanifest.xml files such as the application ' Phone ':Android:persistent= "true"Android:label= "@string/dialericonlabel"android:icon= "@drawable/ic_launcher_phone" >...After setting the app to the core level of the system, in any case will not be killed, settings->applic
, static variable, static method signature, instance method signature change the parent class of the current class inheritance change inherited interface list change the static initialization method of class using dynamic resource ID re-layout
Support for Cold swap (API 21 or higher): This swap is a bit slow because although a new apk is not needed, it has to restart the entire app when the code structure of the Instant Run push changes. When you
your app here.Finally, you must tell Google that your application complies with their terms and compliance with U.S. export laws. It doesn't matter, as long as your app is on the market, it has to comply with U.S. export laws.6th step: Activate APKPlease switch to the "APK Files" tab and click on the Save button (in the top right corner). Make sure that at least
: country;d. Select the apk file and pack : After clicking the Finish button, the package is finished;(3) Pack the APK file (using an existing KeyStore file)A. Select the packaged project : Right click on Project, select Android Tools---Export signed application package option;B. Select signature file : Enter the signature file password;c. Enter the alias password :d. pack apk: Select the apk file to be packaged :(4) Verifying the confusion eff
not start Android Studio), change the following configuration file before starting.
Idea.properties file (file is located in the bin directory of Android Studio Android directory, the author's path is "C:\Program files\android\
permissions to read and write the app's database, and so on. If the vulnerability is found, you can pass Dz> Run Scanner.provider.finduris-a com.example Dz> Run Scanner.provider.finduris-a com.example To scan some of the available URIs, such as username, password, IDs, and so on, or even modify values (such as what SQL injects): Dz> run app.provider.query content://xxxxxx--preinjection "xxx" Dz> run app.provider.query content://xxxxxx--preinjection "xxx" Dz> Run Scanner.provider.injection-a co
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