The first two articlesUse of the Android V7 Compatibility Pack Recyclerview (ii)Use of the Android V7 Compatibility Pack Recyclerview (i)This article introduces the basic usage of Recyclerview and several important classes related to it, and describes the specific usage of the layout manager.In order to demonstrate the use of the layout manager, looking for a num
All controls in Android inherit from the view. The view and its subclass attributes can be configured in the layout XML file or inCode.
Viewgroup is a subclass of view, but can act as a container for other controls. The child control of viewgroup can be either a common view or a viewgroup. It adopts the composite design mode. The layout manager is inherited from the viewgroup.
1. Linear layout linearlay
The AVD represents an Android virtual device (Android VM). The AVD is an instance of a simulator that can be used to simulate a real device. Each AVD contains a hardware configuration file, a mapping to the system image, and an analog memory (such as a Secure Digital (SD) card).You can create as many AVD as you want to
Alarm Manager manages the hardware clock.
Some time-related applications, such as calendars and alarms, need to use alarm Manager Services. The alarm manager function is relatively simple, and the relevant code is located inFrameworks/base/CORE/JNI/Server/com_android_server_alarmmanagerservice.cppFrameworks/base/services/Java/COM/
() method of the Intent Object , set the action, parameter:Android.intent.action.VIEW Call the Intent object's addcategory () Add type, parameter:Android.intent.category.DEFAULTCall the Intent object's setData (), set the data,Parameters:URI object, get uri object uri.parse ("Package:" +getpackagename ())Call startactivity ()Device_admin_sample.xmlDevice-adminxmlns:android= "Http://schemas.android.com/apk/res/and
Due to work relationships, attention to Android will shift from FWK (Framework) to BSP, that is, Linux Kernel. In the five years at work, I have studied kernel several times, but I have never had the right opportunity or motivation to study it in depth. How can I leave this opportunity? In the past, we used to work with kernel and always felt that there were no suitable devices. After several days, I plan to start with the
not know how to root please search the relevant tutorials.
2. Download the Google package that is necessary to run this type of software under this article and extract three files after decompression.
3. Use the RE manager, the extracted three files copied to the corresponding directory, if not, please create a new directory. The corresponding directories for three files are as follows:
The code is as follows
Copy Code
Android Device Monitor's "provide the path to the Android SDK" SOLUTIONOogle I/O 2014 released Android L. After upgrading the latest SDK, click Android Device Monitor and the following error occurs: "provide the path to the
Guo XiaoxingWeibo: Guo Xiaoxing's Sina WeiboEmail:[email protected]Blog: http://blog.csdn.net/allenwellsGithub:https://github.com/allenwell
Because of the richness and diversity of Android platforms, Android devices around the world are available in a wide variety of sizes and sizes, and device adaptation is an important task in order to promote our appl
Transferred from: http://mytiankong.com/?p=11755If you are interested in your Android device's interaction with the command line, you may want to learn some of the techniques used to uninstall an app installed on your device using ADB. In order for this method to work, you will need to set up Android ADB in your computer. You can go to see how the "adb" (
Android integrates a large number of System Manager managers. For example, if you want to kill a background Processes, you will use ActivityManager. For example, if you want to use the system sound, you need AudioManager. It is very easy for you to get these housekeepers. For example, to get an ActivityManager, you only need to call the current context method getSystemService:
final ActivityManager
Android is designed to run on a variety of devices. To achieve this, android provides a dynamic app framework, in this framework, you can provide specific configuration resources in dynamic files (different xml layout files with different screen sizes). android will load the appropriate resources according to the device
code as follows:
D:/ANDROID/ANDROID-SDK-WINDOWS-1.5_R3/TOOLS>EMULATOR-AVD avd15
Emulator:emulator window is out of view and is recentred
You can see Google's Android Simulator.
Run the project in Eclipse and choose Andorid Project. Will pop up the Android AVD error dialog box, select Yes,
Then
Android Studio Solutions for USB device not foundWhen we use Android Studio for Android Development, when we use the real machine for debugging, there is a good chance that USB device not found is a problem. Many solutions have been put forward on the internet, many of them
Recently, I want to create a task manager on the Android 2.2 platform. The former API: restartpackage is invalid on Android 2.2.
The restartpackage API is valid on platforms 1.5 and 1.6: activitymanager. restartpackage (pakagename );
The test failed multiple times on 2.2. Later, I checked the framework and found that it was blocked by Google? No alternative API i
ADB supports two ways to connect to the Android system, USB mode and network mode. Normal phone and tablet are set to USB by default.The Android system has a service (ADBD) running on the bottom, which is used to connect and manage everyone's computer-side ADB commands.This service will listen to one of the USB connections or networks depending on the configuration of the phone at startup.The properties of
Device management
Android 2.2 and later versions provide a set of device Management APIs to manage Android mobile phone devices, including device lock and camera disabling (4.0 and later), erase user data (also can erase the data in sdcard, but to 2.3) and a series of
AVD Manager for in-depth analysis of official Android commands,
Author: Song ZhihuiAVD Manager provides a graphical user interface through which you can create and manage AVDs.You can run AVD Manager in the following ways:
Eclipse: choose Window> Android Virtual
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