ExperimentCreate Android apps from the command line This article is primarily to build an Android environment, then create an Android app from the command line , compile and package with Ant, and deploy with adb . (This article is mainly to prevent the next time to build the Androi
(10) PMS and app installation processPMS, full name Packagemanagerservice, is used to get the information of the APK package.In the previous analysis of the four components and AMS communication, we have introduced, AMS will always use the PMS load package information, encapsulated it in the class object loadedapk, and then we can take out in the manifest declaration of the four components of information.AIn the process of downloading and installing t
App widgets are also a UI component that can embed a small program (program piece) into the desktop. Compared with common widgets (such as TextView and WebView), the following differences exist:
An App Widget is a live UI component that automatically updates its content;Widgets cannot automatically update their own content and can only passively wait for user calls;In applications, because of the automatic
The theme of Android theme developers, if you want to replace the Third-party application icon, you must know the application of the package name. Actually want to know the application of the package name is very simple, directly in the browser to open Google Play or pea pod, open an application page, look at the URL you will find that the URL last "/" after the character is the application of the package name!
It is estimated that some people want t
Recently, many apps have met the immersion notification bar, the so-called Immersion notification bar: is used to navigate the various interface operating space in the context of the main program content, through the relative "invisible" interface to maximize the user's visual range to use the content itself.
The latest Android 4.4 system's Notification bar immersion mode is in the software when the notification bar and the top of the software color
First, the preparatory work:1. Download the Android Studio development environmentHttps://dl.google.com/dl/android/studio/ide-zips/2.1.1.0/android-studio-ide-143.2821654-linux.zip2. Copy the downloaded file android-studio-
Android System built-in fonts
The Android system itself has built-in fonts that you can use in your programs and support the style of modifying fonts when XML configuration TextView. Support Fields Android:textstyle, Android:typeface, android:fontfamily, System built in Normal|bold|italic three style, built in Normal,sans,serif , monospace, several fonts (measured in English only valid), Typace and fontfam
Here are some of the issues that I personally encountered that the app could not install:
Unable to install the app :
The phone system version is too low: it does not conform to the minimum version supported by the app. (for example, the app only supports Android
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
Original address: http://developer.android.com/design/wear/structure.htmlThe user is accustomed to clicking on the icon to launch the app, but Android Wear is not the same. A typical wear application inserts a card into the stream at the right moment in a situation. This card may contain a button for quick interaction to open a full screen view (in some cases, the card may not provide interactive buttons):T
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 Practice Note (3) --- Fragment parsing with app package or v4 package, android --- fragment
Android Practice Notes (3) --- Analysis of Fragment app package or v4 package
1) Problem Description
I believe that many of my friends will encounter the following situation
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 shows how to add a simple single-page navigation, and then shows how to display all the phone numbers dialed on page 1th in page 2nd.
(1) Understand the basic architecture of the Android app through this example.
(2) This example to understand the implementation of Android multi-screen navigation basic technology.
This example is just to give us a
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
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
changed the place where the body was escaped. The salt value was replaced before.
I don't know what the author thinks. To escape from the body. I'm going to turn around. You're in there. You've lost the equal number.
13. Conclusion
To be honest, the one with the right. I said it would take some time. I didn't think the next step was success.
Through this Hello Word's Android app. found that
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