can not be found;It is not a problem to have the value of the parameter as these two values, it is recommended to use both values.3, remove android:icon= "@drawable/ic_launcher" in the resources Ah, and so on ...But after you've tried every method, you find that it works, but it has other problems:1, if remove This really solves the effect of not showing the icon, but in that case our app won't work either.2. Let's take a look at the instructions on
Objective
As Android developers, presumably more or less to touch the start speed optimization related things, when the user more and more, the product function with more and more iterations, the App gradually become bloated is a very common phenomenon, even can be said to be unavoidable phenomenon, followed by the work is to optimize the performance of the
The Android operating system itself is a huge open-source software warehouse. Familiar with it, you can understand the design framework of the Android system and obtain efficient application programming methods. The source code analyzed in this article comes from Google's official AOSP source code 4.0.1 _ r1, And the Android version of the mobile phone is CM 4.2.
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
Android is based on the Linux kernel and is designed for mobile terminal operating systems. Mainly includes the following aspects:
Application Framework:This layer provides rich application programming interfaces for application developers, such as activity manager,content provider,notification Manager, and various window widget resources. All apps are running on top of this layer.Dalvik Virtual machine:th
please look for this genuine code, after-sales technology is guaranteed, the code has been continuously updated. (piracy is shameful, offenders must investigate) This is the company's team development --------------------------------------------------------------------------------------------------------------- ----------1. There are 4 sets of Oracle, MSYQL, spring3.0, spring4.0 all available without hitting the jar without encrypting the source code ( the bottom 2.1) 2. Support
"Android" Android mobile app data to SDYou can specify it in the application's Menifest file, include the Android:installlocation attribute in the ... >Android:installlocation also has two additional attribute values: "Preferexternal" and "Auto", which, according to the literal meaning, may also understand what it means, or the following:If you define "preferext
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/
The static variable in the Android 4.1 app retains its last assignment even after the app exits. Public classMainactivityextendsActivity {PrivateTextView TV; Private Static inti=10; @Overrideprotected voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate); Setcontentview (R.layout.activity_main); TV=(TextView) Findviewbyid (
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
Feature brief: Provide an app download platform, similar to AppStore, there are many apps available for downloadTo achieve the basic idea: the use of Android, the phone desktop to create an icon, click on the icon is not open the app, but instead jump to a Web page, this Web page is deployed on the Sina SAE server, APK resources are stored on the Sina SAE server,
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
Supports thawing and freezing apps
Support to hide specified app in the app list
Support detection system core app to prevent delayed freezing causing cell phone to become brick
Support Cleanup App Cache
Support Force Stop App
APK file is only 47KB
Personal
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
Brief introduction:This article describes how developers ' apps use media storage services (including Mediascanner, Mediaprovider, and media information parsing) in Android, and how to update the app's new or modified files to the media database, How to hide the files generated by the app in the multimedia application, how to monitor the changes of the media data
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
is more efficient in that they avoid automatic boxing of key and value autobox, and avoid boxed unpacking.7) Note the memory overheadLearn about the cost and overhead of the language and library you use, from start to finish, and keep this in mind when designing your app. Often, seemingly innocuous things on the surface (innocuous) may actually lead to a lot of overhead. For example:
The enums memory consumption is typically twice times the
of the package name that is a category Category_launcherIntent resolveintent = new Intent (intent.action_main, NULL);Resolveintent.addcategory (Intent.category_launcher);Resolveintent.setpackage (Packageinfo.packagename);Traverse through the Queryintentactivities method of the Getpackagemanager ()list. Queryintentactivities (resolveintent, 0);ResolveInfo ResolveInfo = Resolveinfolist.iterator (). Next ();if (resolveinfo! = null) {PackageName = parameter PacknameString PackageName = resolveinfo.
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