google android 4 4 kitkat

To run Android, you must not only compile the kernel correctly, but also install the root file system correctly. The first step is to extract data from the data directory of the simulator. Maybe you will ask, why is it extracted from the simulator? This is the most convenient method. You do not need to create a directory or file on your own. Run the simulator on a terminal and the android system runs normal

software. It can be in the menu or in the settings. You can refer to moji, sogou input method, QQ, and other software that supports skin replacement.3. load the skin file in the specified path, read the thumbnail, and display it on the skin settings page, decompress the selected skin file to the "/data/[package name]/skin" path.4. The software preferentially reads Resources in the "/data/[package name]/skin/" path. If not, use the resources in the AP

Udacity Android Practice Note: Lesson 4 Part B/titer1/archimedes of dry Goods shop choresSource: Https://code.csdn.net/titer1Contact: 13,073,161,968 (SMS Best)Disclaimer: This document is licensed under the following protocols: Free reprint-Non-commercial-non-derivative-retention Attribution | Creative Commons by-nc-nd 3.0. Reprint please indicate the author and source.Tips:https://code.csdn.net/titer1/pat_

Android system. In Android, activity has four basic states:1. RunningAt the front of the screen, it is visible and interactive with the user.2. pausedWhen acitivy is overwritten by another transparent or non-full-screen activity, the status is paused. Although visible, it cannot interact with each other.3. StopWhen the activity is overwritten by another activity and the interface is invisible, it is in the

Intent object for receiving app widget Broadcast Appwidgetprovider is just a convenient class. If you want to directly receive app widget broadcasts, You can implement your own broadcastreceiver class or override the onreceive (context, intent) callback method. You need to care about the following types of intent objects: Action_appwidget_update Action_appwidget_deleted Action_appwidget_enabled Action_appwidget_disabled Action_appwidget_options_changed Create a configuration activity for the app

Android-gradle-simple introduction 4: Configuring manifest in the Custom Build Process The Android Gradle plug-in provides a large number of DSL custom build processes. This blog explains how to configure manifest in gradle. DSL provides the ability to configure the following Manifest entries: MinSdkVersion TargetSdkVersion VersionCode VersionName ApplicationId

Piglet's Android starter Road Day 7 Part 4--contentprovider (content Provider) for Android data storage and access ---Reprint please specify the Source: Coder-pigIntroduction to this section:In the previous study, we have learned some ways to store data, and these can be shared, such as files, we can put the operationMode is set to Context.mode_world_readable or

Udacity android Practice Notes: lesson 4 part B, udacityandroidUdacity android Practice Notes: lesson 4 part B Prepared by: Taobao stores/titer1/ArchimedesSource: https://code.csdn.net/titer1Contact: September 1307316 (best SMS)Statement: This article uses the following agreement for authorization: Free Reprint-non com

Android applications. Samsung i9000 series (4). How superoneclick obtains root permissions Papaya 20110408 I. Preface After self-testing and analysis, the author concludes that the root permission is the most intuitive for Android phones.The most effective method is the superoneclick method!It has nothing to do with what jpe, jpd, jp8, and so on of the i9000 ba

that the PS2 mouse was used. However, Android did not use the PS2 mouse, but the touchscreen mouse was used, the device file is/Dev/input/event0. For details, see my blog: Android native C Development 3: mouse event (Mouse capture). After modification, the mouse can be processed; 4. The timer is implemented in UNIX; 5. multithreading uses the implementation of p

to know the length and width of the desired image in advance. For example, I want to cut an image of 400*400 (unit: px. Use this as a benchmark to calculate the length and width of the Rect displayed on the screen, and then draw the MaskView. Select the mode as needed. This article uses the first mode as an example. The code below: Package on the basis of the miscellaneous documents. First, encapsulate a MaskView to draw the bright effect in the dark, or you can add a scroll bar. This is not a

large number of text messages or get users' location, you may receive negative comments on Google market. If you use a problematic sensitive permission, Tell the user why you want to use it. The best way is to avoid using these sensitive permissions. Next is Attached Original: The We are leaving the As children of the Element. Android has an elaborate security model. Each application is run in its ow

Java Files-----application source FilesAndroid itself is partly written in Java (basically the blue part of the architecture diagram is developed in Java), and Android'sApplications must use Java to developclass file------Java-compiled target fileUnlike J2se,java, which can be run directly from a class, the class file on the Android platform cannot be run directly on Android. Because GoogleUse your own Dalv

Javafile-----application source FilesAndroid itself is partly written in Java (basically the blue part of the architecture diagram is developed in Java), and Android'sApplications must use Java to developclass file------Java-compiled target fileUnlike J2se,java, which can be run directly from a class, the class file on the Android platform cannot be run directly on Android. Because GoogleUse your own Dalvik

Udacity Android Learning Note: Lesson 4 Part B/titer1/archimedes of dry Goods shop choresSource: Https://code.csdn.net/titer1Contact: 13,073,161,968Disclaimer: This document is licensed under the following agreement: Free reprint-Non-commercial-non-derivative-retention Attribution | Creative Commons by-nc-nd 3.0, reproduced please specify the author and source.Tips:https://code.csdn.net/titer1/pat_aha/blob/

Android resolution image download: Soft reference must understand 4 pointsPerhaps for Android developers, the word soft reference is not very familiar, soft reference in Java development with more, but, in the development of Android reference soft reference, will solve a lot of problems.AD:1. Strong, soft, weak, and vi

effect to the background using XML To achieve the gradient effect for the background, the most traditional method is to use psto make a gradient, but I am too lazy to learn the PS technology, and I am too lazy to add an image to the application, here we use a great method provided by Google to solve the background gradient function. First, add an XML file to the drawable folder and write the following code:

Chapter 4-android MediaCodec: Determine whether hard decoding code is supported.-androidmediacodec Public boolean issuppmedimediacodecharddecoder () {boolean isHardcode = false; // read the system configuration File/system/etc/media_codecc.xml file File = new File ("/system/etc/media_codecs.xml "); inputStream inFile = null; try {in = new FileInputStream (file);} catch (Exception e) {// TODO: handle excepti

4 data storage methods in Android:1.SharedPreference2.SQLite3.ContentProvider4.File 1.SharedPreference 1) Lightweight data storage mode a 2) is essentially an XML file that stores Key-value key-value pairs of data 3) to hold configuration information for an application's parameters/properties The Sharedpreference object itself can only fetch data without support for storage and modification, and the mod

??Android Bullet screen implementation: Based on the B-Station bullet screen Open source System (4)-RefactoringThe play screen in the video playback of the app is more common, but the logic is more complex, now on the basis of the appendix, I again on the screen to abstract and re-structure, the barrage from the bottom up into different layers, easy to reuse.The first step is to abstract the data layer.Usua