Android

This article describes how Android solves the back event that dialog does not capture activity when it pops up. Share to everyone for your reference. The specific analysis is as follows: In some cases, we need to capture the back key event, and

This example describes the service usage of Android development. Share to everyone for your reference. The specific analysis is as follows: Service is a long life cycle and no interface program. The following is an example of playing mp3 to learn.

This article summarizes the Android development commonly used tags in more detail. Share to everyone for your reference. Specifically as follows: Android in InputType The InputType property in Android plays an important role in the style of a

This article illustrates the parcel mechanism of Android development. Share to everyone for your reference. The specific analysis is as follows: In Java, there is a serialization mechanism. But on the Android device, the new serialization mechanism

The example in this article tells about Android getting the currently running class name or method. Share to everyone for your reference. The implementation methods are as follows: public static String Getcurrentmethodname () { int level =

Common, record.Effect Chart: First create a new XML file Bg_gradient.xml Copy Code code as follows: Android:startcolor= "#55FF0000" Android:centercolor= "#99A73C3C" Android:endcolor= "#99000000" Android:angle= "270"

Directly on code: Package com.example.test; Import Java.io.File; Import java.io.FileNotFoundException; Import Java.io.FileOutputStream; Import java.io.IOException; Import Android.os.Bundle; Import android.os.Environment; Import

The implementation uses a background image to do the loop from left to right to translate the animation. 1, the implementation of two animation XML file, a starting position in -100%p, one in 0%p. Set repeat property to loop, repeat. Copy

/** * Create Shortcut * @param map shortcut icon * @param appName shortcut Title * @param appurl Shortcut Open Address * @param iconurl shortcut icon Address * */public static void CreateShortcut (context activity, Bitmap Map, String appName, String

The example effect is as follows: Mainactivity.xml Package Sn.qdj.popupwindowdemo; Import android.support.v7.app.ActionBarActivity; Import Android.os.Bundle; Import android.view.Gravity; Import Android.view.View; Import

When there is a lot of list items, and each item can go to other activity or fragment, the location of the list before saving is a fairly good feature, Today I studied how to save the browse location and found that there are 4 related methods in

First contact with the Android application project, in the project quickly when the planning requirements add a highlight, each time is directly from the online Baidu, now do the game, but still this demand, here to back up a convenient follow-up

To hide the title bar you need to use a predefined style: Android:theme= "@android: Style/theme.notitlebar".Hide status bar: Android:theme= "@android: Style/theme.notitlebar.fullscreen".

Objective Gallery's item uses a imageview+textview, and selector is set, and the item's state does not change when the SetSelection setting is used, which is present in the 2.2/2.3 system, The high version, like 4.0, does not exist. Body The

During the development of Android software, time consuming operations are often encountered. To make mobile apps run smoothly, time-consuming operations need to be done in a new thread. So what are the time-consuming operations of Android mobile

Objective Previous articles have introduced Activitygroup, many people ask the problem of nested use, the same demand in fragment also exist, fortunately in the latest Android support package has supported this feature! Here we skip the

have been working on the Android application layer, and have recently begun to study the Android platform, mainly in the Android frameworks layer and the system library layer. Here is my own understanding, comprehension, and hope to share with

Objective Asynctask is a good thing to handle most application threads and update UI tasks because it uses a static thread pool internally, if you have a bunch of asynchronous tasks (such as global timing update data, Multiple asynctask in the same

Objective TextView's Drawableleft, Drawableright, and drawabletop are a common, easy-to-use attribute that can be placed around the top and bottom of the text without using a more complex layout. I also often like to use the RadioButton of these

1. Case Effect Chart 2. Prepare material Progress1.png (78*78) progress2.png (78*78) 3. Principle Use a picture as the background image of ProgressBar (generally using lighter color). The other is a picture of the progress bar (generally