How can I start or install app B in APP A in Android?
When I saw other people's game strategies and thought about how to add new features to my game strategy, I checked some information about how to start or install app B in APP A in And
recommended to use these two values. 3, remove android:icon= "@drawable/ic_launcher" resources Ah, and so on ... But after you've tried each method, you find that it works but there are other problems: 1, if removed, it means that the app does not start the portal, This does not show the effect of the icon, but then our application can not run. 2, let's take a look at the instructions on Android D
============ Problem Description ============Heroes, Ben does not understand Android, ask a solution can be achieved:An already released app, this app has a button when it goes in, the normal situation is we click this button by hand, will trigger this button event;Now I want to develop an Android
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
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
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.
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
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 (
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 app,
APP homepage carousel for Android custom controls, android controls
At present, most of the home pages of Android applications have carousel images, which are like this (this figure is a diagram in a reprinted blog and used directly ):
I believe most applications will use such components. This article is a custom comp
Android App Development framework: Android AnnotationsAndroid Annotations is an open-source framework for accelerating the development of Android applications, allowing you to focus on the implementation of functionality, simplifying code, and improving maintainability. In fact, there are many books in the open-source
This example describes the Android Desktop plugin app widget usage. Share to everyone for your reference, specific as follows:
application window Widget App Widgets
The application window widget (widget) is a tiny application view that can be embedded in other applications (such as the desktop) and receive periodic updates. You can use an
, and they are isolated from each other before they are merged into the application.Note:[1] If you do not want to enter the Android SDK directory every time to run the Android command, you can add the SDK platform-tools/and tools/two directories to the environment variable PATH.[2] Try not to change the project path as much as possible, as this will break the SDK path properties in Local.properties. If you
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,
Background: Use Google VR SDK for Unity to develop 3D scene features, then export Android items and merge them into one Android app for other activity calls.
The main activity for the Android project, developed by the Google VR for Unity SDK Untiy project, is com.google.unity.GoogleUnityActivity. If you need to ext
:
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
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