Getxxxextra () and found that the class was thrown out of the undefined exception.To test the app code snippet:protected void onCreate (Bundle savedinstancestate) { = getintent (); Intent.getstringextra (/// here will still be due to noclassdeffounderror crash}We then tested a number of mainstream applications on the market, including bat. Found that this method can kill. We started to think that this was the problem with
range of interface sizes
Android Open source Freedom is the price of the device is not controllable, the market is full of various brands of Android phones, with a variety of sizes and resolutions, in order to fit a variety of different resolution of the equipment, the same icon needs to cut n, each corresponding to a size.
Also note that the size of Android d
be loaded all the time and the location will not be displayed. The only difference between me and him is Baidu map demo triggers this event by clicking, and I call this method after initializing the map. But why? Why is it always loaded but not displayed.
The following code is the Baidu map demo code.
// Initialize the search module and register the event listen
RasterMap can be used to translate a map. panTo moves the map to the coordinates of the specified longitude and latitude. panDirection (dx, dy) translates the map into dx and dy pixels from the current position.GuidebeeMapView implements TouchEvent processing. You can use the Touch event to pan the map. The following e
Baidu Map Android SDK-Hello Baidu Map
The following describes how to use Baidu map Android SDK to build a basic map application!
Step 1: Create an Android project and import the
In application development, map development is often required to use the "component", the domestic is more famous is Baidu map and the German map.This blog is about the German map for positioning and 3D map display. and mark the corresponding location. Words don't say much. First look at the effect, on the code.Effect?
This article summarizes the Android teaching course from the Geek College Zhang Hao teacher, where Zhang Hao teachers and Tri Yu teachers are very grateful.(i) Basic knowledgeIn the application of Baidu Map development key need to use the content of the digital signature certificate, so here first to introduce.(1) What is a digital signature certificate (KeyStore)Digital signatures are used to establish the
Android learning route (3) run your Android app, route android
If you have created your Android project according to the previous lesson, it contains the default "Hello World" source file, allowing your project to run immediately.
How do you run your application? Two things:
You can use this SDK to develop map applications for Android mobile devices, and by invoking the Map SDK interface, you can easily access the Baidu Map service and data to build a rich, interactive lbs (Map Class) application.
Baidu Map
button}/*** control the zoom icon display */private void controlZoomShow () {// obtain the current map status float zoom = this. baiduMap. getMapStatus (). zoom; // if the current state is greater than or equal to the maximum state of the map, the zoom-in button is invalid if (zoom> = maxZoomLevel) {inBtn. setBackgroundResource (R. drawable. zoomin_press); inBtn. setEnabled (false);} else {inBtn. setBackgr
, no GPS request is always located. If the user sees that your app has been located, it is estimated that it will be immediately uninstalled ~
@ Overrideprotected void onStart () {// enable Layer positioning mBaiduMap. setMyLocationEnabled (true); if (! MLocationClient. isStarted () {mLocationClient. start ();} // enable the direction sensor myOrientationListener. start (); super. onStart () ;}@ Overridep
The author of the last 2 days in Android studio on Baidu Map, encountered a common "230 error APP SCODE checksum failure", I would introduce the specific solution.
1. Deploy the code of Baidu map on Andriodstudio. Unzip the downloaded SDK and switch to Project view. Copy the following 3 files to the Libs file.
When
Absrtact: Baidu Map API is a set of JavaScript programming interface, supposedly it should run on the browser. Now, with PhoneGap, we can develop apps that can be used on mobile platforms!---------------------------------------------First, installation platformPHONEGAP supports 5 platforms, IOS, Android, BlackBerry, WebOS, Symbian.Let's take iOS, for example, to develop a targeted
Android Baidu map development (I) first experience: first experience of android
Reprinted please indicate the source: http://blog.csdn.net/crazy1235/article/details/42614603
When I made an app about location or location, I inevitably used the map function. Recently, due to t
Because Android call API for me is a completely unfamiliar field, I after a long time to finally get out, this period of time is very effective, I got the experience.First step: Register as Baidu developerCreate an app on the Baidu map open platform. Address http://lbsyun.baidu.com/index.php?title= HomeFind the SHA1 code to register in the computer, look for the
Android practice-Location-Based Services (get the longitude and latitude of your location + Baidu map) and android longitude and latitude
The LocationManager class must be used for implementation. The following code is used:
The. java code is as follows:
Package org. lxh. demo; import java. util. list; import android.
Baidu Map
The app comes with a map soufun
Download the SDK of Baidu map familiarize yourself with the API Handbook Baidu Developer's account
2.12 just have to have an AK to be able to build the application's package name and signature return the developer's serial number
Use Baidu
: 74: D3: 21: E1: 43: 67: 71: 9B: 62: 91: AF: A1: 66: 6E: 44: 5D: 75; com. baidumap. demo
Note that the semicolon in the middle is in English!
Among them, sha1 is the digital signature of keystore. Each developer has a different theory. another common problem is that keys are available during development and APK generation are unavailable, the sha1 in this region has changed, and thus the AK becomes invalid. So please note that if the keystore changes when exporting the APK, remember to modify t
This section describes how to use Google map on Android phones. We generally use Google map API + location API, that is, map API + status API, if we add some server and network knowledge, we can create very creative applications, and these are the popular lbs, the main technologies involved include
GPS Positioning setAddrType (String) if the String is "all", the location address is returned. If the String is set to "all", "setCoorType (String)" is not returned. The format of the returned coordinates is gcj02.-Baidu latitude and longitude coordinates of bd09 Baidu mocato bd0911 (default mobile phone) setScanSpan (int) scheduled time interval (MS) when this value is greater than 1000, it initiates a location at a time specified by this value when
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