During Android Application Development, the layout code of the control on the screen is usually separated from the logic code of the program. The layout code of the interface is stored in an independent XML file, which is organized in a tree and controls the layout of the page. Usually, many controls are used on this page, and controls use a lot of resources. The Android system has many resources, including
The first four articles, respectively, introduced the basic knowledge of audio development, how to capture a frame of audio, how to play a frame of audio, how to store and parse WAV file, it is suggested that interested small partners to read, this article focuses on how to encode and decode a frame of audio data.1. Android's official Mediacodec APIFirst, let's look at the official Android audio codec API,
"Android system-level in-depth development-transplantation and debugging" are system level. You can refer to the following points:[*] If you do not carefully lay the Linux foundation, you do not need to think about this part.[*] If you are familiar with the development of Linux user space, it is easier to develop the Android framework.[*] If you are more familiar with Linux driver development, it is easier
1. What is Android?
Android is an open-source mobile operating system developed by Google based on the Linux platform. It includes the operating system, user interface, and ApplicationProgram-- All software required for mobile phone work, and there is no exclusive right obstacle to innovation in the mobile industry in the past. Google has developed
This article describes 5 ways to store data in Android.
Data storage is the most frequently used in development, and here are 5 ways to implement data storage in the Android platform, respectively:
1 Storing data using sharedpreferences2 File storage Data3 SQLite Database
use the value.The way I use it will affect the global settings of Android ... It's not necessarily what you want, OH. If you only want to modify the screen brightness of the current app, there's another way: Set the properties of the Window for the Activity. The corresponding Java code is as follows: Windowmanager.layoutparams LP = Window.getattributes (); lp.screenbrightness = brightness; Window.setattributes (LP);If you want to imple
Android 5.X Toolbar + DrawerLayout implement drawer menu
Preface
? A Toolbar added by android5.X, which is more flexible and controllable than ActionBar. Due to the poor flexibility of the previous ActionBar, google gradually uses Toolbar to replace ActionBar, so the Toolbar can also be called a super ActionBar.
This article does not detail the use (customization) of the ToolBar. It mainly introduces an exa
1. What is Android? Android is an open-source mobile operating system developed by Google based on the Linux platform. It includes the operating system, user interface, and Application Program -- All software required for mobile phone work, and there is no exclusive right obstacle to innovation in the mobile industry in the past. Google has developed
first.Also, note that Android 3.2 has a new API to give you more precise control over the layout resources of the application for different screen sizes. These new features will make your application especially important for tablet optimization. More details will be mentioned in the section "declaring Tablet Layouts for Andr
packages can be downloaded and installed in the Android SDK Manager. The updated package is Google Cloud Messaging for Android, which is included in the Extras extension. After installation, In the \ extras \ google \ gcm directory where the sdk is located, you will see that gcm's tools and packages used for sending, receiving, and other operations are included here.
You can use eclipse to directly import
last updated on 0521:Nexus Chinese Web Original tutorial, this article to Nexus 5 for example, other Nexus equipment principle, just download a different system bottom package, please specify.Google has released an Android 5.1.1 system (now except Nexus 6, all other devices have an Android 5.1.1 system), if you wait for OTA students can use this tutorial to reta
systematic, the disadvantage is that the version is lower, some knowledge is not applicable, but it is a good guideLao Luo's Android tour====== Hard: Android Research Environment buildingI. ubuntu14.04 build Android 5 source compilation environmentFirst step, download and install ubuntu14.04Step two, download
Introduction: This is the detailed page of the 5 method in data storage in Android, the knowledge of the 5 methods of data storage in the mobile software, Android Android, Android data storageAndroid provides
This tutorial for you to share the Android release microblogging, add facial features such as the specific code, for your reference, the specific content as follows
Post a new microblogging interface: Http://open.weibo.com/wiki/2/statuses/updateUpload a picture and post a new microblogging interface: Http://open.weibo.com/wiki/2/statuses/upload
1. According to have no picture to choose the corresponding i
approach is a little bit more complicated to use, but it has the following benefits:
The name of the C + + method can be followed by your own
Library only needs to export a function
Security, the JVM verifies the function signature
Which way to register the native function is a matter of personal preference, but I recommend the use of jnienv::registernatives because it provides additional protection: An exception is thrown when the JVM detects that the function signature d
Qt on Android Episode 5 (translation), androidepisode
Address: http://www.kdab.com/qt-android-episode-5/
We have learned how to build the Qt on Android development environment, how to use Qt on Android, the available deployment po
of the Android NDK; and the HAL source.Configure the download environment for Android source code: 1. Create a directory to hold the download script file. 2. Download the repo script file (for downloading Android source code). 3. Create a directory to hold the Android sourc
application logcat has obtained the log information, and then the data processing can be done here, filtering, writing files, formatting input, and other operations. For details about the logcat command parameters, see the logcat command in Android.
[This series of articles]
Interpreting the implementation of the android Log Mechanism: (1) implementation archit
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