Android

This time we are going deep into viewgroup, understanding the work of viewgroup, and will explain more about the view of the relevant knowledge. In order to be flexible in the future use of custom space beatings a step closer to the foundation. Want

The example in this article describes the focus regain method that contains edittext in the Android GridView. Share to everyone for your reference, specific as follows: The problem with the project is that when the interface is refreshed, EditText

1. Application for micro-letter AppID To achieve the function of sharing to the micro-letter, first of all, to the micro-trust open platform to apply for a appid. However, when applying for AppID, you need to fill out an application signature and

This example describes the way Android dynamically adds settings and controls. Share to everyone for your reference, specific as follows: Sometimes we will be on the code side, dynamically setting, adding layouts and controls. Below we look at how

I am here simply with two ListView to achieve, first on the effect of the picture. More coarse. A custom space is reserved. Ideas: From the above figure should be able to see out. is the top and bottom two ListView. Click on the ltem below. will

Picture Processing class: Package com.longfei.admin.imageloder_text; Import android.app.Application; Import Android.graphics.Bitmap; Import android.os.Environment; Import Com.nostra13.universalimageloader.cache.disc.impl.UnlimitedDiscCache;

The phone set the alarm clock needs to choose the time, the choice of time control is scrolling selector, a few days ago with a mobile phone brush miui, found that the time with the effect of a very good-looking, so on their own imitation wrote a,

First, if you want to use fragment in android3.0 and the following versions, you must quote Android-support-v4.jar this packageThen you write the activity can no longer inherit from the activity class, but to inherit

callback function Like activities, fragments has their own life cycle. Understanding the lifecycle of fragments allows you to save instances of them when they are destroyed so that they can revert to their previous state when they are created again.

This example describes the Telephonymanager usage in Android. Share to everyone for your reference, specific as follows: First, overview: The Telephonymanager class mainly provides a series of get methods for accessing state and information

A preliminary study on the life cycle of fragment Because the fragment must be embedded in the acitivity, the fragment lifecycle is closely related to the activity in which it resides. If the activity is paused, all of the fragment are paused, and

Now that we know that fragment is very useful, we need to know how it works. Fragment can only exist in (as a container) activity, each fragment has its own view structure that can be loaded into the layout as we did before. The life cycle of

This article illustrates the difference between the assets and Res/raw of the resource directory of Android development. Share to everyone for your reference, specific as follows: assets: Used to store static files that need to be packaged into

1.Fragment Overviewin an activity, fragment represents a part of the UI or an action. An activity can combine multiple fragment objects or different objects corresponding to the same fragment byte code in multiple activity. A fragment object must be

First, Ratingbar simple introduction Ratingbar is based on an extension of the Seekbar (drag bar) and ProgressBar (status bar) to display ratings using a star, and when using the default Ratingbar, the user can set the score by

This article describes the basics of the Android Primer tutorial. Share to everyone for your reference, specific as follows: After downloading the Android source, the next step is to learn or develop. Before developing, talk about some development

Recently made a GridView on the set-top box, The focus needs to be on the child control of item, but the GridView focus defaults on item, byAndroid:descendantfocusability= "Afterdescendants" You can get the focus for the GridView

Before introducing the program implementation, let's look at the basics of activities and tasks in Android. As we all know, one activity can start another, even if it is defined in a different application, for example, if you want to show the user

Professional Android app developers will focus on some sophisticated project management techniques to successfully build the Android app and make it a figure in the Google Play store. It is important to consider the expectations of high-end

Before the time of programming, encountered the countdown function, often write their own, but in fact, Android has helped encapsulate a countdown class Countdowntimer, in fact, the background of the creation of the thread and handler queue