Android application development process, there may be needs, such as: Jump to the application market to download applications, jump to the application market to their own application scoring, jump to the application market to update their own applications. So how do you jump to the app market?Possible ways to jump everyone knows, the method is as follows:static void goToMarket(Context context, String packag
the server for version 1.1 users to download and incrementally update the upgrade.
Client Incremental Update Interface:
public native static int Bspatch (string oldapkpath,
string Newapkpath, String patchpath);
Oldapkpath: Current apk directory
//newapkpath: Generate new apk to store directory
//patchpath: directory where the difference files reside
Warm tip: Remember to add network and file read and write permissions
Gets the
Defines a long variable that is used to determine the interval of two clicksPrivate long exittime;To implement a click event for a return keypublic boolean onKeyDown (int keycode, keyevent event) {if (keycode = = Keyevent.keycode_back) {Exit (); Click here to make a decisionreturn false;}Return Super.onkeydown (KeyCode, event);}public void exit () {if (System.currenttimemillis ()-Exittime) > 2000) {Click Interval greater than two seconds to make a noteToast.maketext (Context, "Press exit applica
For the touch screen, its original message is nothing more than press, lift, move these several, we only need to simply overload Ontouch or set the touch listener Setontouchlistener can be processed. However, in order to improve the user experience of our app, sometimes we need to identify the user's gestures, and Android gives us the gesture recognition tool gesturedetector can be very helpful.
Base
Ges
This example describes the Android Desktop Component App widget usage. Share to everyone for your reference. Specifically as follows:
Here to simulate a case: add Appwidget to the desktop, after clicking Appwidget appwidget text will change
Main.xml Layout file:
Res/xml/my_appwidget.xml Layout file:
Manifest file:
Variable class Utiltool: Used to control text chan
In the previous example of Android Apidemo example parsing (9): App->activity->persistent state describes the use of shared preferences to store some states, shared A more general use of preferences is to store some application preferences (settings). Package Android.preference provides many classes that allow applications to display and set application-related preferences. Of course, you can use a custom U
Shareitem.setlabel (Resolve.loadlabel (Pmanager). toString ());
Set Package Name
Shareitem.setpackagename (Resolve.activityInfo.packageName);
}
Summarize:Get the specific information method by PackageInfo:Package name Get method: Packageinfo.packagenameIcon Get Get Method: Packagemanager.getapplicationicon (ApplicationInfo)Application name Get method: Packagemanager.getapplicationlabel (ApplicationInfo)Access method using permissions: Packagemanager.getpackageinfo (packagenam
Start b.apk with a.apk, and B's icon is not visible on the phone's main screen.First, a new A, B two Android project (new HelloWorld project similar), in a project to increase the Click event (Launch button to launch the B app).Second, in the B application To modify the B manifest. xml XML version= "1.0" encoding= "Utf-8"?>Manifestxmlns:android= "Http://schemas.android.com/apk/res/
takes some time to do this. To prevent application blocking and respond to users as soon as possible during this period, Android displays a temporary "starting"
Window "to the user, this window does nothing, can not get the focus and cannot process the user's touch.
After the application process is initialized, the system will remove the temporary window to display the application window and view. Before that, your application did not run any code. N
Android Technology Point notes-(Install app and uninstall app broadcast)Summary: Summarize the broadcast usage of apps installed and uninstalled in Android.On Android, the installation and uninstallation will send out the corresponding broadcasts, and the system will broadcast Android.intent.action.PACKAGE_ADDED after
:
public class Global {
Version information
public static int localversion = 0;
public static int serverversion = 0;
public static String Downloaddir = "app/download/";
}
Because this article only focuses on updating updates, in order to prevent too many other extraneous code redundancy, I directly define the method Initglobal () method in Subwayapplication.
Copy Code code as follows:
/**
* Initialize global
Android Gets the HD app icon in one way, as follows
Public synchronized static drawable Geticonfrompackagename (String PackageName, Context context) {Packagemanager pm = C
Ontext.getpackagemanager (); if (Build.VERSION.SDK_INT >= build.version_codes.
ICE_CREAM_SANDWICH_MR1) {try {packageinfo pi = pm.getpackageinfo (packagename, 0);
Context Otherappctx = Context.createpackagecontext (Packag
The App->activity->animation sample is used to demonstrate the dynamic effects of different activity transitions. The example defines two kinds of animation effects, the gradient fade in, the new occurrence of the activity gradually show, amplification effect zoom, new activity from small and large gradually show.
Animation resources in Android can be divided into two categories:
Tween Animation perform
This example is run alone (starting from launcher), when the received intent does not contain action_search, and a normal activity is no different.
In the case (36), it is used as a query processing activity to display the user's query content. Searchqueryresults in Androidmanifest.xml defined as searchable activity:
Android:resource= "@xml/searchable"/>
See Android Apidemo Sample resolution: App
Http://itindex.net/blog/2014/11/07/1415353560000.htmlClick the URL link in your browser to launch a specific app.First make the HTML page, the page content format is as follows:This sentence will be all right.The meanings of each item are as follows:Scheme: Identify the app that starts. ※ The following details are describedHost: Proper descriptionPath: The key※ required to pass the value is not also availableQuery: Get the value of key and Value※ no a
Originally was idle to have nothing to do, browse the blog, see the browser address to open the app's article,After attempting to do so, I find that the app icon is not displayed on the desktop.Just modify it in the code below. intent-filter> action android:name="Android.intent.action.MAIN" /> category android:name="Android.intent.category.LAUNCHER" /> data android:scheme="MyApp" android:host="Akm.app" And
in the values/directory describe multiple resources. For a file in this directory, each child of the element defines a single resource. For example, the A element creates an R.string resource and a element creates an R.color resource.Because each resource are defined with their own XML element, you can name the file whatever you want and place different res Ource types in one file. However, for clarity, your might want to place unique resource types in different files. For example, here is s
Generally, the Android app has a welcome interface when it is started, similar to the QQHD startup interface. Elegant and elegant. The heart is not as good as action, and you have time to achieve similar effects.It is easy to observe and find that the welcome page of QQHD is full screen. The following describes how an Android
Yesterday I wrote an article about Android app conversion. I used BlackBerry's online Conversion Tool to convert Android apps into BlackBerry PlayBook apps. Some netizens reported that the method was a bit difficult, so today we need to add a new conversion method: Use the command line tool to convert the Android Appli
Link Address: http://www.minwt.com/mac/10083.html/comment-page-2Mac» Smart-Move Place»android | 2014/02/12Android is a platform to open, so previously also shared a few Android emulator, but when the first plum dry using Android emulator, the main function is to test the web, see whether the web on the Android phone ca
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