widget notes android

Intent object for receiving app widget Broadcast Appwidgetprovider is just a convenient class. If you want to directly receive app widget broadcasts, You can implement your own broadcastreceiver class or override the onreceive (context, intent) callback method. You need to care about the following types of intent objects: Action_appwidget_update Action_appwidget_deleted Action_appwidget_enabled Action_appwi

Http://www.cnblogs.com/TerryBlog/archive/2010/08/10/1796896.html In the previous article about Android app widgets, we continued to expand the previous example and completed a small project, which can be used directly. Address of the previous Article: A Preliminary Study of the android Desktop component [widget]. If you have never touched the app

Nokia widget Application Development Training notes Today, I attended the widget development technology training conference held by Nokia in Shanghai. The Conference is located at the Spring Hotel in Paris, Shanghai, a five-star hotel with a conference room of 300 people. The coffee workshop is provided during the training, free Self-help western food provide

Obtain the Android screen size, widget size, status bar/notification bar height, navigation bar height, and android screen size.1. Get Android screen size We can use the getSize () method to obtain the screen size. Display display = getWindowManager().getDefaultDisplay();Point size = new Point();display.getSize(size);i

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

The main topics in this section include the Android Desktop widget, the app Widget Development Guide, and a simple example of how to visually explain the app widget.The concept of widgets, app widgets, Web appsThe original concept of the widget was a 98 Apple engineer named Rose, who was officially known until 2003, bu

1. appwidgetproviderinfoProvides metadata for app widgets, including layout and update frequency. This object is defined in an XML file.2. appwidgetproviderDefine the basic lifecycle of an app widget Steps for creating an app Widget:1. Define appwidgetproviderinfo:Define a file named example_appwidget_info.xml In the Res/XML Folder:Xmlns: Android = "http://schema

Let's briefly talk about the principle of widgets. Widgets are a piece of information displayed on the desktop. You can also click widgets to jump to a program. The system comes with a program. The typical widget is music. This android built-in music playing applet. This is a typical widget + app application. A program can be started either through a

To use a tab:1. Use framelayout in the layout file to list the tab component and the content component in the tab. 2. The activity must inherit tabactivity. 3. Call the gettabhost () method of tabactivity to obtain the tabhost object. 4. Use tabhost to create a tab. /Chapter04_ui_tab01/src/COM/Amaker/test/mainactivity. Java Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> Package Com. Amaker. test; Import

Preface The android Chinese translation Group finally had the first chm format collection, which was made up by several hours on weekends. 20 translated articles in the widget namespace. The participants include 0_1, tangming, loveshirui, madgoat, Yingge, and peasant uncle. The level is limited. please correct me! At the same time also look forward to your join, contact us: QQ: 36408253, Gtalk: over140@gmai

This example describes the Android Desktop Component App widget usage. Share to everyone for your reference. Specifically as follows: Android apps, as well as apps, are apps for app widgets. Many people will develop application apps without developing app widget apps. This post is to help you learn how to develop app

of the jar are imported so save the trouble of repeated import every timeCompile Filetree (include: [' *.jar '], dir: ' Libs '),After a long repetition of finding a v13 bag,Google later found that this wasAndroid-support-v13 is a version compatible package that is released by Google, with a minimum compatible Android3.2 system. It was designed to develop a flat plate. Android 3.x systems are tablet-only systems, but the 3.x system has failed. So usin

The progress bar of Android includes the dialog box progress bar, title progress bar, and horizontal progress bar. 1. Dialog progress bar Procedure 1. overwrite the oncreatedialog () method of the activity and create a dialog box in it. 2. Call the showdialog () method of the activity to display the progress bar dialog box. /Chapter04_ui_progressbar01/src/COM/Amaker/test/mainactivity. Java Code Code highlighting produced by Actipr

There is such a configuration for Dynamic Refresh of desktop widgets, There is an attribute under res/xml Android: updatePeriodMillis = "86400000" Official notes: [Plain]The updatePeriodMillis attribute defines how often the App Widget framework shocould request an update from the AppWidgetProvider by calling the onUpdate () callback method. the actual update is

Android widget DevelopmentCase implementation is the content to be introduced in this article, mainly to understand and learnAndroidWidget DevelopmentApplication. Let's write about it today.Android widgetOfDevelopmentBecause it's time to wait early in the morning, I won't say it's too specific. Let's just imitate it, comrades! First, let's take a look: The detailed steps of the demo are as follows: 1. Crea

The Widget is a small application. After the AppWidget framework is added to Android1.5, developers can use this framework to develop widgets. Widgets can be dragged to the user's desktop and interact with each other. It provides a full-featured apps preview. You can specify a space on the desktop to display the custom content provided by the application. Each Widget is a BroadcastReceiver, which uses XNL m

Reprint please indicate source: http://blog.csdn.net/sk719887916/article/details/47027263Many development projects will have the widget function, do not underestimate it, he is also one of the seven Android components, to the widget unfamiliar friends can read my previous article Today we will implement a sliding widet, familiar with the development of the next

Error series for Android development (1), java. lang. NullPointerException, at android. widget. ListView. setupChild, appwidgetlistview Problem description: The Running code reports a null pointer error, java. lang. NullPointerException, at Android. widget. ListView. setupCh

Android Widget Desktop Component development Widget is one of the features introduced by the Android1.5 version. Widget, which allows users to understand the important information displayed in the program in a timely manner. The standard Android system already contains exam

Author: Xu jianxiang (netpirate@gmail.com) Time: 2010/12/15 From: http://www.anymobile.org Widgets: the earliest widgets are small window programs on the desktop of the PC; the pioneers on the Web seem to be Yahoo !; Of course, OPhone also has a set of widgets, HTML + CSS stuff. The so-called Widget we are talking about here is a Window Widget. The Android SDK