Android

In the android project, you only need to perform the unit test in the following three aspects: 1. Configure the following in the project list file: 2. The test class inherits the Android. Test. androidtestcase class.

I have summarized an article about the android screen height and statusbar height.Article, However, these methods are not applicable to Android OS 4.0. Because 4.0 of the API changes again. The height we got is the height of the status bar.

I have summarized an article about the android screen height and statusbar height.Article, However, these methods are not applicable to Android OS 4.0. Because 4.0 of the API changes again. The height we got is the height of the status bar.

  I haven't touched Android for a long time. Now, the company's strategy has been greatly changed and is ready to switch the existing wince platform to the Android platform. Now, I have encountered two minor problems after reviewing Android:The

Sometimes I find that someone else has an APK in the mobile phone. I want to install it on my mobile phone, but I find that the APK is incomplete and there is no classes in it. dex file, but there is an odex file with the same name as APK.

Android-based Desktop shortcuts (1) There are two ways to generate shortcuts: one is to generate a shortcut directly on the desktop; the other is to press the desktop and generate a shortcut in the pop-up shortcut menu. Generate directly on the

Text message sending. Some models can send text messages to specified mobile phones in the background without prompting them. Some models may remind users to decide whether to send messages or not, I think this is for security reasons. To send a

Perform Network Operations This section describes how to perform the most basic network connection tasks, manage network connections (including network status changes), and allow users to manage an application network, it also describes how to parse

Android advanced exercise-matching multiple screens these days I learned how Android applications adapt to different screen density, which involves image resources, layout resources, and fixed sizes, resource search rules Screen ConceptCell phone

The multi‑thread resumable upload function is used in recent projects. Therefore, it is very convenient to encapsulate a jar package. Multi-thread resumable download: multiple threads are used to download the same resource. Each download thread is

Because the physical display space of mobile devices is generally limited, it is impossible to display all the content to be displayed on the screen at a time. Therefore, major platforms generally provide some scrollable views to present data to

Bytes ~ Android. Support. v4.viewpager class in API The 4 + support package is initially provided for us. It enables us to slide left and right to display data in the form of a 'page. We can inherit PagerAdapterTo generate a page view. Let's take a

Previous Article FragmentPagerAdapter, FragmentStatePagerAdapter, FragmentPagerAdapter, And FragmentStatePagerAdapter  These adapters are available in API 4 + support and API 13 + support. As follows: fragment is used to represent a page, which is

Today, when I read some source code, I found that people do not need to set the title layout file. After reading it, it is quite convenient, The procedure is as

Android. OS. networkOnMainThreadException08-08 17:53:30. 635 I/articletable (22461): successfully added 5808-08 17:53:30. 648 w/system. err (22461): At android. OS. strictmode $ androidblockguardpolicy. onnetwork (strictmode. java: 1099) 17:53:30-08.

An error occurred while configuring Google maps in the android simulator.1) In order to apply for an android map API key on a webpage, a Google account and a system certificate must be allowed. Google requires a Google account to publish the key.

This article describes how to use the expandablelistview control and how to use the expandablelistactivity class and simpleexpandablelistadapter adapter. The code is described as follows: First, layout contains three layout files: Main. xml Android:

: Check whether a memory card is inserted. String status = environment. getexternalstoragestate (); If (status. Equals (enviroment. media_mounted )) { SD card insertion } Copy code 2: Make an activity transparent Layout is not set in

In the development of Android projects, a large number of spinner controls are used. Next we will discuss the knowledge of the spinner. In case you forget to come and check it later. This section also describes how to use arrayadatper. For example,

In android4.0, network setting error com. Android. settings. wirelesssettings is not declared in androidmanifest. xml Solution: If (Android. OS. Build. version. sdk_int> 10 ){ Startactivity (new intent (Android. provider. settings.