can i use a timer class inside an activity android

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Custom Launcher Launcher as the only system

Transfer from: http://www.eoeandroid.com/thread-32778-1-1.html If you want to customize an Android system, you want to use your own Launcher (Home) decide their own interface to replace the Android Home, and do not want the user to install the Launch

Android allows you to write the Launcher as the first boot the system, and it is the only Launcher (reprint)

If you want to customize an Android system, you want to use your own Launcher (Home) decide their own interface to replace the Android Home, and do not want the user to install the Launcher to back replace your Launcher. We can modify the Framework t

Android development of a number of important points online

From network 1. Android Single Instance Methods We all know that Android platform is not the task manager, and defenders within the App Activity history stack to achieve a window display and destruction, for the conventional view is from the shortcut to r

Android gravity sensing

One at the end to get a mobile phone HTC Nexus One, initially in the pure play of cool, and later to the Zhongguancun Book Building watched an afternoon of book, finally bought a two Android book, and then looked at. Just looked at the pure base, which is

MP3 player of small applications (and writing to learn Android 1)

"In the information age, the objective obstacles no longer exists, the so-called barriers are subjective. If you want to develop any new technology, you do not need millions of dollars, you only need to put in the refrigerator full of pizza and Coke,

A simple dial-up device attached to source code

Development of a simple dial-up device. Development of an application of the steps: A small application steps: 1. Design interface 2.activity 3. Designing the business layer will be if the program is relatively simple to write code directly in the applica

Activity to use a custom stack to manage the android's Activity

BlackBerry program development during a time when, BlackBerry provides a management stack Screen is used to turn off from any place in the top layer of the Screen, the use of UiApplication.getUiApplication (). GetActiveScreen () to get in the top lay ...

android was the focus (View get focus)

In the SDK help documentation there is such a paragraph: Remember that key events are always delivered to the View currently in focus. They are dispatched starting from the top of the View hierarchy, and then down, until they reach the appropriate destina

(Turn) Ophone reverse screen adaptive problems

Let the program interface to maintain a direction, the direction of rotation does not change with the cell phone approach: The AndroidManifest.xml configuration inside look on it. Add this line android: screenOrientation = "landscape". For examp

To determine whether the Android phone network

in view the current networking android is as follows: ConnectivityManager cManager = (ConnectivityManager) getSystemService (Context.CONNECTIVITY_SERVICE); NetworkInfo info = cwjManager.getActiveNetworkInfo (); if (info! = null & & info.isAva ...

Android Activity and Intent Mechanism Study Notes

Activity Android in, Activity is the root of all programs, all of processes are running in the Activity among, Activity has its own life cycle (see http://www.cnblogs.com/feisky/archive/2010/01/01/1637427 . html, controlled by the system life cycle, ...

Chapter VIII of the list. Menu, as well as other view - on the

Key skills and concepts l Construction Activity l Use Android Menu l Use AutoCompleteTextView This chapter of the Views and Intents to do an in-depth research, which is for the novice Android need to know the most important features. The two entities form

radio button next to the release pictures and compulsory process for localization and the string containing the parameters of

<RadioButton android: id = "@ + id/RadioButton01" android: layout_width = "wrap_content" android: layout_height = "wrap_content" android: text = "Text" android: drawableLeft = "@ drawable / icon" a ...

android development - small details of the Notes

Full-screen to the status bar Stream processing Get the screen width and height of <br /> Screen fixed if they had to configure the AndroidManifest.xml inside look on it. Add this line android: screenOrientation = "landscape". For exa ...

android development - note the small details

To the status bar in full screen Window window = getWindow(); window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); window.addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN); / Set no title bar requestWindowFeature(Window.FEATURE_NO_TITLE); /

Android Activity and Mechanism of learning notes Intent

Activity Android in, Activity is the basic of all procedures, all of processes are being run in Activity, Activity has its own life cycle (see http://www.cnblogs.com/feisky/archive/2010/01/01/1637427 . html, controlled by the system life cycle, the progra

radio button next to put pictures and compulsory process and the string containing the parameters of the localization

<RadioButton android: id = "@ + id/RadioButton01" android: layout_width = "wrap_content" android: layout_height = "wrap_content" android: text = "Text" android: drawableLeft = "@ drawable / icon" androi

A simple dial-up device attached to source

Development of a simple dial-up device. Development of an application of the steps: Small application steps: 1. Design Interface 2.activity 3. Design the business layer will be if the program is relatively simple to write code directly in the application

android gets the focus (View get focus)

In the SDK help documentation so: Remember that key events are always delivered to the View currently in focus. They are dispatched starting from the top of the View hierarchy, and then down, until they reach the appropriate destination. If your View (or

Chapter VIII of the list. Menu and other view - the

Key skills and concepts l Construction Activity l use Android Menu l use AutoCompleteTextView This chapter of the Views and Intents to do in-depth study of these newcomers for Android is to master the most important features. The two entities formed the s

Set the color of listview in the item

Set the listview in the color of each item New drawable / item_bk.xml Then in the listview inside to join: If you want each item click on the background when not, use the selector using android: drawable = "@ android: color / transparent" o ...

OESF AndroidTM development environment for embedded system development of new regulations

General Incorporation Foundation Open Embedded Software Foundation (hereinafter referred to as OESF) (Location: Shinjuku, Tokyo Representative Director: Masataka Miura) as Android ™, a commitment to promote the popularization and development of embed ...

Mandatory keyboard and display - hope to have really helped me test machine Thank you

Other solutions 1.InputMethodManager imm = (InputMethodManager) getSystemService (Context.INPUT_METHOD_SERVICE); imm.toggleSoftInput (InputMethodManager.SHOW_FORCED, InputMethodManager.HIDE_IMPLICIT_ONLY); Or InputMethodManager imm = (InputMethodMana ...

Notes from the ---- Activity android

Activity component 1, create a new activity The first step: create a new class that inherits Activity, such as: NewActivity public class NewActivity extends Activity ( @ Override protected void onCreate (Bundle savedInstanceState) ( super.onCreate (s ...

In-depth Android [3] - Component entry

Android Components Original Address: http://www.cnblogs.com/duguguiyu/archive/2010/01/30/1659980.html Cross as many different angles, near and far different level. - "Title Xilin Wall" Component (Component), referring to the so-called time struc

Own use android to do a simple player

Because of the need to participate in software design contest What, precisely selected knowledge of the subject use android, so the unpleasant task learned. Through the study of some of the knowledge, I tried to do a simple player android, although very s

Introduction android development (change)

Environmental structures Before you begin, you need to prepare the following environmental and procedural Necessary Microsoft Windows XP / Microsoft Windows Vista operating system Android SDK 1.1r1 Java Development Kit (JDK) v6.0 or above eclipse-jee-gany

Android Snake game in learning (3)

View VIew class Snake, the main focus of learning classes. package com.easyway.dev.android.snake; import java.util.ArrayList; import java.util.Random; import android.content.Context; import android.content.res.Resources; import android.os.Bundle; import a

Android in learning the game Snake (c)

View VIew class Snake, the main focus of learning classes. package com.easyway.dev.android.snake; import java.util.ArrayList; import java.util.Random; import android.content.Context; import android.content.res.Resources; import android.os.Bundle; import a

Android Developer's Guide - widgets (App Widgets)

Application widget App Widgets Application widget (Widget) is a small application that view, can be embedded in other applications (eg desktop) and receive periodic updates. You can be an App Widget provider to publish a Widget. App Widget can accommodate

Analysis of the entire Android call service

Android Android inside to call the service, intent filter is a default IntentFilter object, all other filters must be declared in the packing list. Call service for Android, your application requires only intent to establish an object, the intent object c

Fit different screen resolutions & hdpi.mdpi.ldpi & Wang portrait

A: Different layout Android mobile phone screen sizes, with 480x320, 640x360, 800x480. How to make App automatically adapts to different screen then? Is very simple, only need to create a different res directory layout folder, such as layout-640x360,

activity of the android: name referred to in shorthand Activity implementation class problem

Outside of work today, found that the company has an Android book, smoothly flipped through, found that the design of Android application framework indeed admiration, simply download the Android own example, the configuration of my environment (set of env

Android development platform is an open platform, which is located in the top four application development framework, will inevitably involve Android components. This article will explain to you Android components.

Android development platform is an open platform, which is located in the top four application development framework, will inevitably involve Android components. This article will explain to you Android components. Component (Component), referring to the

Android task. Processes and threads

Tasks, processes and threads on Android in the components and applications involved before, mostly static concept. When an application up and running, it will inevitably need to care about the process, the concept of this thread. In Android, the component

Android anyway screen switching method

Android if they had to switch on the screen solution Reprinted from :http://rayleung.javaeye.com/blog/426972 In the development of the game, some games can only play in landscape mode of the , Therefore, when placing phone erected to keep the game screen

android developed to transfer data between the activity

Transfer from: http://www.cnblogs.com/sun_catboy/archive/2010/04/11/1709869.html In the android, we often pass data from one activity to another in an activity, but also from other activity to get the returned data, In fact, there are many ways in the and

Android Styles & Themes (next) - Theme

On a space Android Styles & Themes (1) - Style Style introduced the magic charm, the following effects continue to experience the Theme. The same as Style, Theme <style> elements still inside it clear that reference is in the same way. The diffe

AndroidManifest.xml - activity details

<Activity android: allowTaskReparenting = ["true" | "false"] android: alwaysRetainTaskState = ["true" | "false"] android: clearTaskOnLaunch = ["true" "|" false "] android: configChanges =

Android components interact and inter-process communication IPC

Android in the form and the form in between the calls to each other and exchange data? Form (Activity) and the background of the service (Service) How to communicate? Based on Unix (Linux) system has a very good tradition, that is advocated by a very ligh

Distinguish between the four loading modes Activity

Reprinted: http://marshal.easymorse.com/archives/2950 Activity in the more developed, there may be your Activity jump between applications, or other applications entrainment Reusable Activity. May wish to jump to the original instance of an Activity,

Android Application Development in the style and theme (style, themes)

When you design your program, you can use formatting styles and themes to unify the various screens and UI elements. Style is a formatting attribute that contains one or more of the set, you can be used as a unit with a single XML element in the layout wh

Android by sharing the user ID to the process of sharing multi Activity

1. The same Apk in the same package in the Activity call to verify the process status [1] Create Project: project name: FirstProject package: com.demo Default Activity: MainActivity [2] to add a new Activity: name: SecondActivity [3] modify the layout. La

NDK entry. To improve and practical

There are also some of the NDK online presentation, but very simple example to explain the sample which is not deep, I've received my share. I downloaded the Android Native Developer Kit (NDK) R4 version, the latest version of the current. Download th

Android Activity and Intent mechanism study notes (change)

Activity Android in, Activity is the basic of all procedures, all of processes are being run in Activity, Activity has its own life cycle (see http://www.cnblogs.com/feisky/archive/2010/01/01/1637427 . html, controlled by the system life cycle, the progra

Comprehensive Xiangjie AndroidManifest.xml file

First, the importance of AndroidManifest.xml Android application is the most important documents. It is the global configuration file Android program, is required for each program file android. It is located in the applications we develop the root directo

Reference into keyEvent

Am also facing the same problem, can tell me wheather you got the solution for the problem or not? On Nov 22 2008, 5:23 am, "Dianne Hackborn" <hack...@android.com> wrote: > Correct, one application can not inject key events into an

android in the style and themes (turn)

When you design your program, you can use formatting styles and themes to unify the various screens and UI elements. Style is a formatting attribute that contains one or more of the set, you can be used as a unit with a single XML element in the layout wh

Android Activity of the jump and transfer value

Activity jumps and mass values, mainly through the Intent class to connect multiple Activity, and transfer data. Intent is a very important class of Android. Intent literal translation is "intent" and what is intended to do? Such as the Act

Solution android custom title bar full of problems

One after the activity, write ah write, tune ah tune, then, I have found, activity of the title bar looks awful, monotonous ah well. In order to attract the user's eye we may conduct a personal thing. Custom title bar of the method, a search onli
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