Development Environment Building http://blog.csdn.net/juyangjia/article/details/9471561HelloWorld http://blog.csdn.net/juyangjia/article/details/9491781Welcome animation production http://blog.csdn.net/juyangjia/article/details/9494961Menu making http://blog.csdn.net/juyangjia/article/details/9612287Bottom tab making http://blog.csdn.net/juyangjia/article/details/9616299
I. Preface
I tried to create the magic wand button in the upper-right corner. The attempt failed. I will try again next time.
Android Telephony-real-time mobile phone signal change source code analysis process record, androidtelephony
Source code: 4.4
Skip UI implementations such as InCallActivity. First look at the service and the underlying layer.
1. the following file list is found under frameworks/opt:
./telephony/src/java/com/android/internal/telephony/cdma/CdmaServiceStateTracker
Today, I took a photo on my cell phone for almost one day. Later, I thought about it, and now I don't know what I know, right? First, if I use this method to take a photo,ProgramIn the simulator, problems may occur when it is started. I don't know what the cause is. I guess it may be because of the simulator. At present, there is no mobile phone for testing, which cannot be explained,CodeAs follows:
public class Phonestealservice extends Service {/** * declares phone status listener object and instantiates */private Phonestatelistener phonestatelistener= New Phonestatelistener () {/** * Declares the variable that holds the caller number */private String incomingnumber;/** * Declares the media recorder object */private Mediarecorder Mediar ecorder;/** * Whether the real recording */private Boolean isre
how the 1.android coordinate system defines the x, y Z axis
The direction of the x-axis is the horizontal direction of the screen from left to right, if the cell phone is not a square, the shorter side needs to be placed horizontally, the longer side needs to be placed vertically.
The y-axis is directed from the bottom left corner of the screen to the top of the screen along the vertical direction of the
Mobile phone storage and SD card of all storage devices mounted to Android devicesObtain all memory attached to an Android device
The android system provides Environment. the getExternalStorageDirectory () interface obtains the path of the storage. However, this interface does not always give us the desired result. On
Because the need for work shifted to Android app development, it was previously exposed to XAML from the development of a WPF project. The development of Silverlight and Windows Phone was later studied because they all used C # and XAML. WinForm, ASP. ENT WebForm, WPF, Silverlight have done a commercial project, and the Windows Phone this piece has been missing,
The front-end JS use XMLHttpRequest 2 upload pictures to the server, PC end and most mobile phones are normal, but in a small number of Android phone upload failed, the server to view the picture, displaying a byte count of 0. Here is the core code for uploading pictures:
Html
The code above uses Formdata to implement the form data submission. Formdata is a ne
Andoid SDK, which is our previously customized C:\ADT\SDK directoryNext we perform the Unity release test, open the file-and build Setting compilation Settings dialog box, select the Android icon, click the Switch Platform button, so you can switch to the Android publishing platform. Connect your phone, then click Build and run to publish and try it out.But ther
The screen size of Android mobile phones has always been a headache for developers. Because the screen sizes used by mobile phone manufacturers are different, the presentation and layout of user UI interfaces are naturally different. Therefore, when developing Android mobile appsProgramIn addition to understanding the underlying API, the most important thing is t
running in the emulator, the Getdeviceid method returns always 000000000000000.In addition, the Telephonymanager class also provides methods for obtaining additional information about your phone, such as:
Getline1number (): Get the phone number;
Getdevicesoftwareversion: Gets the version of the Android operating system;
Getsimserialnumber: Gets the
size of the swap space that is not being used.Dirty: The amount of memory waiting to be written back to disk.Writeback: The amount of memory that is being written back to disk.Anonpages: The memory size of the unmapped page.Mapped: Size of mappings such as devices and files.Slab: The size of the kernel data structure cache can reduce the consumption of application and release memory.Sreclaimable: The size of the slab can be retracted.Sunreclaim: The size of the Slab is not recoverable (Sunrecla
The internet is mostly 91 assistants for Android to connect mobile phones and computers, I am more inclined to pea pod, can be, the following gives my steps and process encountered a few small problems, for your reference!
One, the mouse keyboard control mobile phone tutorial
1, on the PC, the installation of Pea pod, or 91 assistants for Android or install the
", new Onclicklistener () {@Overridepublic void OnClick (Dialoginterface dialog, int which) {try {Different Android version network settings interface The Intent-filetr,action in activity is not the same.Different Android versions of the code are not the same.int androidversion=android.os.build.version.sdk_int;Get the phone
First, you must understand that the communication between android programs is broadcast broadcastReceiver, and the data sharing between programs is using the content provider Contentproved. Therefore, you must start the service when the mobile phone starts, you need to know when the mobile phone is turned on. At this time, you can register a broadcast to receive
a minimized state5. Empty process without any activityThe priority is lowered from top to bottom, and the task stack kills the process first, so it must kill the empty process first.The realization of telephone wire is to maintain a service in the background to listen to the user's call status, the phone recording.1. Background service startup generally uses intent, and uses implicit intent.//开启服务。 new
pick up the phone or unlock the device. Your application can listen to the intent and send a message to the caller from your email system. This includes the recipient's incoming call) and the message itself.Support international users
More RTL languages optimized for Android 4.3.RTL Improvement
Android 4.3 RTL performance enhancement and wider RTL support for cr
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.