android turn by turn navigation api

returned, and the OnCreate method is called, in the activity manifest file of the camera that calls the system, add android:configchanges= "orientaion| Keyboardhidden ", so the picture will be a vertical screen, you can get the data.8, about the picture caused by the oom problemIn the folder drawable can not put more than 1M picture, otherwise will report memory overflow (OOM) exception, you can choose to put in drawable-hdpi, or even larger resolution of the picture folder.9, about the

postxxxx related methods, these and Win32 the rationale is basically consistent, one for send after the direct return, one for processing before returning.5. Java.util.concurrent object analysis, for programmers in the past Java development will not be unfamiliar with concurrent objects, he is the JDK 1.5 new important features as handheld devices, we do not advocate the use of this class, Considering that Android is a task mechanism that we have des

parameter of Staticlayout is the string to be drawn, the second is the brush, the third parameter is the width of each row, that is, the line is greater than the width, and the fourth is the alignment.Canvas.translate (Frame.left, (float) (Frame.bottom + (float) text_padding_top *density) parameters are the starting position of the drawn string.9) Garbled problemIn the scanning part of the QR code will appear garbled, is due to the problem of coding, you can refer to this article:Http://www.2ct

information shown in Figure Nine appears, the NDK instance runs successfully!(Fig. Nine)If the program is running in error, display the "Application * * (process: com.example.***) stop unexpectedly, retry", as shown in (10)(Fig. 10)The cause of this error is most likely the name of your JNI file or the statement of the package was incorrectly written. Check the program running log logcat, the error is "Java.lang.UnsatisfiedLinkError:stringFromJNI", said the Java layer called the local method St

messages, such as the editing of replies and forwarding and so on. These services are included in the Telephony stack function library.To facilitate the installation and operation of third-party software, Android provides the application Framework, which, in the form of Java object, encapsulates the functions of the telephony stack function library, GUI functions, and other peripheral hardware devices. The application framework not only reduces the d

wireless moduleAndroid.permission.DELETE_CACHE_FILESAllows an application to delete cache filesAllow programs to delete cache filesAndroid.permission.DELETE_PACKAGESAllows an application to delete packagesAllow a program to delete a packageAndroid.permission.DEVICE_POWERAllows low-level access to power managementAllow access to the underlying power managementAndroid.permission.DIAGNOSTICAllows applications to RW to diagnostic resourcesAllow Program RW Diagnostic resourcesAndroid.permission.DISA

This example for you to share the Android Answer page paging function, mainly using viewfilpper and gesturedetector to achieve, for your reference, the specific contents are as follows 1. Effect drawing 2. Realize the idea Gesturedetector the activity's TouchEvent event, and then use Viewfilpper to control the transitions between multiple components using animation. The gesture of an API is not detaile

/platform-tools. To facilitate the use of these commands, we set the script file Myandroid.bat in Windows to set the environment variables. In Linux, you can $PATH by export path=: $HOME/... To set it up.Set SDKPATH=D:\DEVELOPER\ADT-BUNDLE-WINDOWS-X86\ADT-BUNDLE-WINDOWS-X86-20130522\SDKPath=%path%;%sdkpath%\tools;%sdkpath%\platform-toolsAndroid provides ADB commands to operate on an emulator or connected device. The ADB, or Android Debug Bridge, can b

the class does not know whether there is the meaning of the layout of the head-mounted device) "Compass" subsystem of reading and writing compass under Event2 node and MX3 (can not be said that Android ha here for MX3) is from these system nodes read and write device event information, the above information I was in the mx3 screen when the power button is pressed to turn off the screen, if we pres

understand the binder mechanism, but also have to work hard to see the source, although the process is very painful. Once again do not understand to come again, to tell the truth I understand the ability is poor, followed the blog thought to see not more than 10 times. Efforts will always have a harvest, enjoy the native layer of the various methods of the charm of the jump. In the end you will find the door of the new World open to you.A lot of online information, personal feel better than the

platform Android Framework layer developers are quite competitive with a lot of custom ROM, smart TV work is in the talent difficult state, after all, there is a certain threshold, now a variety of iOS training, Let the money to do the development of the influx of people, and iOS can only do the shortcomings of SDK development exposed, a bunch of novice veteran, rookie Daniel all squeezed in the SDK development this piece, I think not very good. On

Android Surfaceview Learning (i)First, let's take a look at the official API's introduction to Surfaceview.Surfaceview's API IntroductionProvides a dedicated drawing surface embedded inside of a view hierarchy. You can control the format of this surface and, if you like, its size; The Surfaceview takes care of placing the surface at the correctThe surface is Z, ordered so, it is behind, the window holding i

File Classpathroot = new File (System.getproperty ("User.dir")); File Appdir = new File (Classpathroot, "apps"); File app = new File (Appdir, "notepad.apk"); Desiredcapabilities capabilities = new Desiredcapabilities (); Capabilities.setcapability ("DeviceName","IPad Simulator"); //capabilities.setcapability ("Platformversion", "4.2"); Capabilities.setcapability ("PlatformName", "Android"); Capabilities.setcapab

Could not find com.android.support:appcompat-v7:21.0.3.Reason: Android support Library not installedWorkaround: Enter Avd/tools Execute command Android list sdk-a Find the serial number in front of the Android support Library from the list, I see 143 Execute command Android update sdk-a-U-

whole station personal information module, widget represents a special function module.The common package contains some tool classes, some custom view of the application, and so on.Combined with what was said before, we put the whole string together, perfecting a reader's final architecture as follows (two out of two freind and life are also similar):　　Note: 1). function modules and type modules can be divided, if not required, the partition of the module can be omitted.2). The component divisi

. This is Android, because power.0 is the last stroke of Android registration to suspend, it checks to see if there is a wakelock before the CPU enters suspend, and if there are no wakelock at this time, Then it will return-ebusy and then cause the whole suspend to fail. The way to check this problem is to open the debug information on the wakelock above and then see which one goes to Wakelock and then rele

/bootanimation.zip" #define SYSTEM_ENCRYPTED_BOOTANIMATION_FILE "/ System/media/bootanimation-encrypted.zip " look at the macro name I believe you will know, This is the name of the set animation file. Why does it show the picture again and animate it, this Android version is related. Showing two images: foreground and background images are used in the 1.5 version, then changed to set the animation file, that is: Bootanimation.zip, is the zip format,

Onprogresschanged method, the problem with page scaling is resolved, and the keyboard call is normal.——————————————————————————————————————————————————————————————————————Excerpt from: http://www.myexception.cn/web/1891062.htmlI added to my code, found that in the mobile phone has a real effect, but sent to Singapore, get the reply, or the same problem!Here I say I'm sad and sadThink, you can only use JS to deal withJust as I was sad to write the demo, my boss was off duty and asked me to go. I

; Opts.injustdecodebounds = true ; // Use the DecodeFile method to get the width and height of the picture Bitmapfactory.decodefile (path, opts); // print out the width and height of the picture LOG.D ( "Example", Opts.outwidth + "," + opts.outheight); Experience Sharing: If the program is the source of the picture is the package of resources, or the picture on its own server, the size of the picture is the developer can adjust, then generally speaking, only need to pay atten

countservice = null; } }; protected void OnDestroy () {Super.ondestroy (); This.unbindservice (conn); LOG.V ("Mainstadyservics", "out"); }}Note: This place has friends that may appear onserviceconnected do not invoke the situation.The problem is that when the Bindservice method is called, the activity's onserviceconnected is recalled, and in this method a IBinder instance is passed to the activity, acitity need to save the instanceIn the service, you need to create an inn