Objective
This is the main implementation of an Android application, static broadcast, dynamic broadcast two ways to change the content of the widget, that is, in the blog on the basis of the experiment to modify, so the focus of this experiment is the realization of appwidget small parts ~
First, let's simply say what the widget is.
The application window widget (widget) is a tiny application view that can be embedded in other applications (such a
For more information about appwidgetprovider, see the official documentation.
Recently, due to a problem, we used
The update cycle in Android: updateperiodmillis does not work. First, there are several reasons, which mean that the Android version is problematic. The other one is that it can only be updated once every 30 minutes on the Internet. Otherwise, the service will be used for updates. The following
is deleted. @Override Public voidondisabled (Context context) {//Enter relevant functionality for if the last widget is disabled } //This method is called when the app Widgt is deleted. @Override Public voidOndeleted (Context context,int[] appwidgetids) { Super. ondeleted (context, appwidgetids); } //Accept broadcast events. @Override Public voidOnReceive (Context context, Intent Intent) {Super. OnReceive (context, intent); } Static voidUpdateappwidget (context context, Appwi
Android provides widgets for date and time.
Date widget
Datepicker and datepickerdialog. datepickerdialog is a simple container for loading datepicker ,. There is a trigger method ondatechangedlistener () and ondatesetlistener () respectively ().
In this example, we set two buttons and a textview. When the button is clicked, The datepickdialog is displayed.
Step 1: some java functions related to time
Ins
1.Widget, App Widget, Web app concept
The original concept of the widget was presented by an Apple engineer named Rose in 98 and was not officially known until 2003, but then numerous large companies began to accept and apply the idea. Now we see the gadget in the Apple system that presses the F4 pop-up Dashboard widget, and the nifty gadgets on the Windows 7 sidebar are called Gadget (widget variants), in addition to the Yahoo widget and other widget products. They have a common feature is the
A desktop part is a part of an application that is placed on the desktop using the Appwidget framework.Res/layout/digitalclock.xmlXML code
XML version= "1.0" encoding="Utf-8"?>
TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/time"
android:textsize="45px"
android:textstyle="bold"
android:textcolor="#FFFFFFFF"
android:background="@drawable/bg"
android:layout_width="wrap_content"
andro
Android-misc-widgets four-direction (up/down) drawer bug fix2013-08-04 08:58:13Tags: bug down top panel slidingdrawer original works, allow reprint, please be sure to use hyperlinks in the form of the original source of the article, author information and this statement. Otherwise, the legal liability will be investigated. http://mikewang.blog.51cto.com/3826268/1263802As compared to open source projects, th
pendingintent = pendingintent.getactivity (context, 0, Intent,0); Remoteviews remoteviews=Newremoteviews (Context.getpackagename (), r.layout.example_appwidget); //binds the event handler to the button,//The first parameter is used to specify the ID of the bound processor control; //The second parameter is used to specify which pendingintent will be specified when the event occurs.remoteviews.setonclickpendingintent (R.id.widgetbuttonid, pendingintent); //Update AppwidgetAppwidgetmanager.update
Android preset application icons, shortcut icons, or widgets on the desktopModify the res/xml/default_workspace.xml file and add the following code:
Launcher: packageName = "" // complete package name
Launcher: className = "" // complete package name. Class Name (class for processing main intent)
Launcher: screen = "" // screen where the app icon is located (starting from 0)
Launcher: x = "" // c
1. Introduction to favorites on the desktop
The launcher desktop has four elements in the middle, which are the window widgets of a clock. The following lines are respectively a camera, an Amazon bookmarks, and a folder (the folder contains settings and clock ).
In the code, they are all favorites: appwidget, application, shortcut, and folder.2. view the database
Favorites is stored in the database.
Export the database file data/COM.
Android 5.0 Material Design is a collection of cool open-source projects, and android is cool
I. Preface
Android 5.0 has been online for a while. It is estimated that our friends have seen a great breakthrough over the previous versions on the
Android cool animation source code, QQ menu, waterfall stream, QR code source code, android coolAndroid featured source code custom bullet box encapsulation, ProgressDialog, StatusDialog and Toast, supports custom color with deep fragment code on the top or bottom of the screen to display a prompt text message forwarding tool, automatically forward text messages
Cool disk Android version of the cool disk in the file download to the mobile phone method is as follows:
Landing cool disk, in the main interface to view the file list, click on the target file can be downloaded, after downloading the file icon will have the download tag. There are two ways to download after clicking
Recently, my blog has never been updated. The last time someone asked ant to compile the android project, I completed it here. If you think IDE is too slow or you think manual compilation is more cool, you can learn more without IDE. It is also a required course for becoming a cool man!
I. Prepare ant
Download from ANT Official WebsiteHttp://ant.apache.org/An
1. Service(1) Meaning: Service is an application component that runs in the background for a long time, and the threads are the main thread.(2) How to use: StartService can perform onstartcommand operations, Bindservice can return the instance object of the service to the activity, thus enabling the use of service in the activity. Instead, the service object was created with the new method without an error, but the service's method could not be successfully invoked.(3) Note: In Onstartcommand, t
personal icon.The image address is stored on top of it. Previous content: Author. According to the above specifications, the result is:[\](http:\//www.gdky005.com)Paste this code into our MD document, and the personality badge will come out, and click on it to get to where we want to go.
Very cool, in fact, can do a lot of such things.The project address in this articl
:
The question is, can we call it after we modify the library?Let's try it together:
Modify the 1.0.0 in the badge project to 1.0.1:
。
After the code is submitted, push to GitHub. After the successful submission, we repeat the above release steps
, ,
Then go to the jitpack to see:
One more v1.0.1, click Get.
After the successful release, we went to the app to try.
After syncin
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.