running tracker app android

Allows your Android app to use multiple themes (Part 2) In the first part of this post, we have created a light theme and made initial preparation to support multiple themes. in this blog post, we will continue that effort, creating another theme and allowing dynamic switching of themes during runtime. In the previous blog, we created a bright style topic and made some preparations for using multiple theme

Reference: HTTP://WWW.JIANSHU.COM/P/B8811669BCB6RN in Android package release app 1-: Generate a signature keyYou can use the Keytool command to generate a private key. The Keytool command on Windows is placed in the bin directory of the JDK (for example, C:\Program files\java\jdkx.x.x_x\bin), and you may need to enter that directory on the command line to execute this command. On your Mac, enter the comm

* One * @paramPackageName The name of the stopped. A */ - Public voidrestartpackage (String packagename) { - Try { the Activitymanagernative.getdefault (). Restartpackage (PackageName); - } - Catch(RemoteException e) {} -}So if you want to close the entire application, just run the following two lines of code:1 This . Getsystemservice (activity_service); 2 activitymgr.restartpackage (Getpackagename ());Now that we've made it halfway, what's half of it, that's what we always love to forget,

dexclassloader for dynamic loading through the reflection mechanism. If the dynamic jar plug-in is correctly created, there is no difficulty in this step. Let's explain it to the code. The source code of addfunc is Package com. Demo. jar; Import Android. util. log; Public class addfunc { Public addfunc () { Log. I ("addfunc", "addfuncclass init "); } Public int add (int A, int B) { Int c = A + B; Log. I ("addfunc", "addresult is" + C ); Return C;

Ext.: http://news.cnblogs.com/n/138009/#commentWith the development of mobile platform and the continuous improvement of its application, quality becomes the key to success. Users require that they choose to install an application that responds quickly and with good performance, and if an app does not provide superior functionality and a stable user experience, that application is destined to be uninstalled quickly.While

With the development of mobile platform and the continuous improvement of its application, quality becomes the key to success. Users require that they choose to install an application that responds quickly and with good performance, and if an app does not provide superior functionality and a stable user experience, that application is destined to be uninstalled quickly.While Android smartphones and tablets

us, but Java provides us with a single case to get the way Runtime.getruntime (). The MaxMemory () method gets the maximum memory that the system can allocate for the app, and TotalMemory () Gets the amount of memory heap space currently allocated by the app. I have two mobile phones, a oppo Find7, running the color OS, measured maximum memory allocation of 192M

. Creating a bunch of ad icons on the desktop is also a consistent practice for unscrupulous apps, and Google has finally made it clear that developers must not do so. The notconsistent impact of this new Google developer policy is huge, and according to analysis, 20,000 apps will have to change the way they advertise and stop harassing users, or they will be kicked out of Google Play. Of course, Google is also paying a price, Google Play app develop

: //" + apkfile. toString (), "application/vnd. android. package-archive ");MContext. startActivity (I );}} Step 3: Call MainActivity. java, that is, the main Activity. The Code is as follows: [java] package com. tutor. update;Import android. app. Activity;Import android. OS. Bundle;Public class MainAcitivity extends A

example: public class WebAppInterface { Context mContext; /** Instantiate the interface and set the context */ WebAppInterface(Context c) { mContext = c; } /** Show a toast from the web page */ @JavascriptInterface public void showToast(String toast) { Toast.makeText(mContext, toast, Toast.LENGTH_SHORT).show(); } } Warning If your sdk version is 17 or higher, you must add@ JavascriptInterfaceNote (this method must be public ). If you do not provid

()); outputStream.close(); } catch (Exception e) { e.printStackTrace(); } Running result: The internal storage directory of your app is marked by the package name of your app and stored in the specific directory [data/com. example. xx] of the Android file system. Technically, if y

Sencha Study Notes 2: package your first Sencha Android app apk installation package, senchaapk We have a preliminary impression on sencha through the introduction in the previous translation official Article. At the same time, we also generated the first sample application code framework through this wizard, many people may think that the next step should be based on the detailed information prompted by th

One: Create New Project1, 2, 3, 4,After creating the results, we found that you have created some demo pages and the data is already bound.Two: Resolve error 1, after the creation of the success, build found an error, as follows:This error is due to a workaround for the version issue, which modifies the version number to the following:And then you get an error:As a programmer, this small mistake to believe that it is difficult for you to solve yourself, it is headeritem use of the constructor is

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let TestApp this class inherit from the Kivy.app import app# #导入一个Button, OPS has this button, when you click on the time will react from the Kivy.uix.button Importbutton # # #定义类, the name must be Xxxappclass TestApp (App): # # #build一个Button def build (self): # # #返回一个Button, the text content is "Hell O,kivy "return button (text= ' Hello,kivy ') # #运行, because the ap