broadcast message received... start to clean up memory... "); ActivityManager am = (ActivityManager) context. getSystemService (Context. ACTIVITY_SERVICE); List
Methods for obtaining available memory:
/*** Get the remaining memory available for the mobile phone ** @ param context * Context * @ return */public static long getAvailableMem (context) {ActivityManager am = (ActivityManager) context. getSystemService (Context. ACTIVITY_SERVICE); MemoryInfo outInfo = new MemoryInfo (); am. getMemor
okintent Resultvalue = new Intent (); Resultvalue.putextra (Appwidgetmanager.extra_appwidget_id,mappwidgetid) ; Setresult (RESULT_OK, Resultvalue); Finish ();}} D. widget parameter configuration fileFinally, we need to write a widget parameter configuration file that associates the layout file with the configuration activity.We create the new folder XML under Res, add the file My_note_widget.xml under the
okintent Resultvalue = new Intent (); Resultvalue.putextra (Appwidgetmanager.extra_appwidget_id,mappwidgetid) ; Setresult (RESULT_OK, Resultvalue); Finish ();}} D. widget parameter configuration fileFinally, we need to write a widget parameter configuration file that associates the layout file with the configuration activity.We create the new folder XML under Res, add the file My_note_widget.xml under the
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
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
Widget is one of the features introduced by Android1.5. widget, allowing you to know important information displayed by the program in a timely manner on the home screen interface. the standard Android system contains several examples of widgets, such as analog clock and music player.
In the blank area of the HomeSc
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
A demand analysis1) Source of demand and operation analysis and technical analysisAndroid comes with a very human-friendly clock application, which is devastating for the usual countdown and timing partners. So I'm going to do a very simple countdown widget for the operation. The operation is similar to the setting of the alarm clock, the Ring
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 not guaranteed to occur exactly on time with
Android provides the widget for the date and time.Date WidgetDatePicker and Datepickerdialog,datepickerdialog are a simple container for loading datepicker. There is a trigger method Ondatechangedlistener () and Ondatesetlistener () respectively.In this example, we set up two buttons and a textview when the button pops up Datepickdialog.Step 1: Some Java functions about time
Get an instance of the
Recent whim, want to make up an Android battery plugin on the desktop, one is this app does have its practical value, the second is to build up the amount of work should not be very large, do not spend too long, three and can learn the development of the widget under the three-way, so, Pause the game development of learning, to make a
Recently, I was wondering how to compile an Android battery plug-in on the desktop. First, this App has practical value, and second, the compilation workload should not be very large, you don't have to spend too much time learning the development method of widgets, so you can do it three times. So you can pause the learning of Game Development and compile a Widget
Android Alarm clock sends broadcast to play musicIf there are any unreasonable changes made based on relevant functions through online examples, please propose to learn from each other.There are a total of three MainActivity. java main programsAlarmReceiver. java broadcast ReceiverMusicService. java service play musicMainActivity. java
Package com. yqy. yqy_alarm; import java. util. calendar; import
Many of the packages feel that custom view is a symbol of a master, not actually. People think that the custom view is difficult in many cases because the custom view involves too many classes and APIs to make people dizzy, so today we will start with the simplest drawing API, and take you step-by-step into customizing the view world.Let's take a look at one we're going to implement today:The whole effect is simple, is to display a clock on the screen
Simple tutorial for Android-65th gun (custom control for digital LCD clock Demo)Next we will study how to implement a digital LCD clock, which is essentially a special effect.First, create a layout file:
The XML Attribute of TextView in Android contains several attributes of shadow.
ShadowDX, shadowDy, and shadowRadi
1. Overview
This article is mainly about how to customize a time clock, through simple exercises can be a simple study of Android in the custom view of some of the common drawing techniques to optimize the Android graphics operation. To start with, look at the effect we need to achieve:
When we see this effect there should be some thinking in mind, we should
AppWidget, such as the clock on the android desktop, appwidgetandroid
I,1. The App widget is a space on the home desktop, such as a clock. You can click the next icon in the player to play the video.
2. AppWidgetProviderInfo object: provides metadata for App widgets, including layout, update frequency, and other data.
Android custom View combination control ---- LED digital clock
First
LEDView effect.
Previously, I saw a blog using two textviews to achieve this effect. So I want to use a custom control to implement an LEDView, which can be used directly.
The combination of controls, the two textviews stacked together, and then use the digital-7.ttf font to display data, so as to achieve the LED effect. The Code is as fo
Android-interaction instance (clock) between sub-thread and main thread)
The. xml Code is as follows:
The. java program code is as follows:
Package org. lxh. demo; import java. util. date; import java. text. simpleDateFormat; import android. app. activity; import android. OS. bundle; import
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