Android

There are many ways to implement the bottom navigation. At present, the more commonly used is the Radiogroup+fragment,fragmenttabhost+fragment,bottomnavigationbar three ways, the following are described separately: One, Radiogroup+fragment way:

The following app basically has the function of Drop-down refresh, used to basically use Xlistview or write a drop-down refresh, the recent Google provides an official Drop-down refresh control swiperefreshlayout, I feel good ah, see accustomed to

Before you do a button to the button to set a picture as a background, but also to define their own rounded corners, the simplest way is to directly cut the fillet picture as a button on it, but if not how to do it, look at the code: A shape file

Today in doing the project to do the function of taking pictures, at that time was thinking Onresume and Onactivityresult these two methods who will be the first implementation of the test, and then print the System.currenttimemillis () look at the

Overview First of all, to write the "Android compile-time annotation framework," the original intention, APT is not difficult, can be said to be simple and efficient, but the information on apt is not much, even many people do not know

Acache class Download Address: Http://pan.baidu.com/s/1gfI0A9X 1. Create Acache instance Acache Acache; Acache = Acache.get (This, "main"); 2, Save the data (memory and file) Acache.put (Key,value,time); The top two need not repeat, key-value

This time to write a new bottom bar implementation, Bottomnavigationbar, seemingly last month, Google released, use it is also very convenient to use the following simple introduction under the way, 1, compile '

Package Zm.scroolview; Import android.app.Activity;Import Android.os.Bundle;Import android.view.MotionEvent;Import Android.view.View;Import Android.widget.ScrollView; public class Mainactivity extends activity{Private ScrollView SL;    

This custom control can implement horizontal dynamic data loading, without saying much, the following code. (using the same method as normal listview) 1, in the layout with horizontalscrollview containing a listview;2, the use of the GridView, the

Recently done a project needs to use the recharge and the amount of cash, then you need to achieve in the input box with the amount of decimal point number, while ensuring that the decimal point after two digits, so the Internet to check some

When we browse the details of Taobao products, we will get back to the top of this feature, let's talk about the simple implementation of this feature Android:layout_width= " Match_parent " android:layout_height=" match_parent android:id= "@+

Fiddler is an HTTP protocol debugging Agent tool that can record and check all HTTP traffic between your computer and the Internet, set breakpoints, and see all the "in and Out" Fiddler data (referring to cookie,html,js,css and other files, These

First, in an Android studio project, in the Gradle scripts directory, there is a file Build.gradle (Module:app) that opens. Here I randomly selected a project Build.gradle file as an example: Apply plugin: ' Com.android.application ' Android

First, select the appropriate image size The view background image always fills the entire view area, and the image size is not suitable to cause the image to be scaled automatically, in order to avoid this situation, we can first zoom the picture

Center/center: Centered by the original size of the picture, when the picture is longer/wider than the length/width of the view, the center portion of the picture is displayed; Center_crop/centercrop: Enlarge the size of the picture by proportional

I. Overview The default title bar for each application (note the difference from the status bar) is only one line of text (the name of the new project), and color, size, etc. are fixed, giving the feeling of a more monotonous. But when it comes to

Three kinds of page-flipping effects in the Android platform. The first page-flipping effect is as follows: Implementation principle: the current finger touch point is a, the point a coordinates is (Ax,ay), the triangle ACB and the

"Solution" 1. Make sure the pairing method is correct. Some Bluetooth accessories need to press the fuselage button before they enter the pairing mode. 2. Delete the old Bluetooth configuration file. 3. Enter Settings > Bluetooth, click the

Baidu mobile phone assistant How to set the download path There are two ways of doing this: The first method: we need to download a "Baidu mobile phone assistant" After Yi now click "Management" and here we can change the storage path of the