Android

The content provider can provide many different data types. The user dictionary provider only provides the text type, but also provides the following types: 1. Integer 2. Long Integer (long) 3. Floating Point 4. Long floating point (double)

As mentioned in the introduction to lifecycle management, when an activity is paused or terminated, its status is retained. Indeed, because the activity is paused or terminated, it is still stored in the memory-all information about its members and

Translated from:Http://developer.android.com/guide/topics/graphics/overview.html The android framework provides two animation systems: Property animation (introduced in android3.0) and view animation. These two animation systems are both feasible

From: http://hi.baidu.com/china_8/item/b1d7e41005111b7f7a5f25a2 Terms and concepts related to mobile phone resolution Screen size: the actual physical size, diagonal measurement of the screen. For convenience, Android divides all the screen sizes

First, the base station must obtain the signal information of the mobile phone through telephonymanager, such as the Country Code of the base station and the cell id ...... after obtaining these parameters, You need to submit these parameters to the

Recently, many people asked me where to set SPS and PPS. In fact, this article is just a simple implementation of my previous article.   For more information, see the previous article.   Http://blog.csdn.net/zblue78/archive/2010/12/15/6078040.aspx  

The principle of lyrics synchronization is actually very simple: The display of the lyrics is a thread. During music playback, a thread synchronizes the display progress of the lyrics with the playback progress. The standard lyrics of the network

Android. Intent. Category. LauncherWhat is the specific function? I will make a small example to help you understand An application can have multiple activities, each of which is at the same level. Which activity is the first to start when a

Because the Toolbox provided by Android (in/system/bin) is too simple, some commands such as find do not support Android or are not well supported. Therefore, it is necessary to add the busybox tool to Android and compile a busybox tool that can be

At this year's Google Io conference, Google launched an Android-specific ide. Although it was in version 0.1, it had many bugs, but it was Google's son after all, the vast majority of Android Developers will surely embrace it. Next let's look at the

  I encountered a problem today. I need to import two third-party jar packages under the project directory. As you all know, to import a jar package in eclipse, right-click the project directory, select Add library, select the directory where the

(Note: I have this article on my Baidu blog, but I copied it, but the installation link is Baidu. If the image cannot be viewed, visit my blog directly: Http://hi.baidu.com/freeskyok) How to build an android environment offline Recently, I have

Create a custom operation provider When you want to create an operation window with dynamic behaviors and default icons in the overflow menu, it is better to inherit the actionprovider class to define these actions. Create your own operation

Like Activity (and other components), all services must be declared in the application's configuration file. To declare a service, you must add a sub-element to the element. For example: ...... The element also contains some other attribute

It is easy to inherit the intentservice class to implement a service of the started type, but if you need the service to execute multiple threads (instead of processing the startup request through the work queue ), then you must inherit the service

Passing objects on the IPC Channel This can be done if you want to send a class from one process to another through the IPC interface. However, make sure that the code of this class corresponds to the process on the other side of the IPC channel is

This example shows the complete implementation of a listview in fragment. The listview contains the query results for the address book content provider. It uses a cursorloader to manage queries based on the content provider. Because this application

This article translated from: http://developer.android.com/guide/topics/ui/layout/listview.html Listview is a view group used to display the scrolling project list. It adapts to an adapter to automatically Insert list items. The adapter pulls

  Android applications are written in Java programming language. Android devices use this file to install applications.   Every android application installed on the device lives in its own security sandbox: 1. The Android operating system is a multi-

Welcome to the android SDK of youmi advertising platform. The following describes how to embed youmi advertising in Android programs.   Step 1:Import youmiad-android.jar into your project. Ø right-click your project root directory and select