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Application of Android custom control series-circular progress bar and android progress bar
I. Overview
In the previous blog, we introduced the basics of the Android custom control series. Link: http://www.cnblogs.com/jerehedu/p/4360066.html
In this blog post,
the figure is a data source, such as the content provider or SQLite database. A cursor is returned for a query. The adapter is the key to associating the listview on the left and the data source on the right. It reads a group of data from the data source and associates it with a corresponding subview, the specific data is displayed in the control of the Child view layout. Reference: an adapter object acts as a bridge betweenAdapterViewAnd the underly
This two-day study of Android studio finally straightened out the basics of Android studio and associated operations with SVN (so that it can be used in the company's development work); Google will stop updating and supporting ADT plugins at the end of the year. The overall shift to Android studio (which is really your own kid), so it's a trend to use
Android input controlToday's weather is good, Xiami, to explain the input controls in Android, the input controls in Android are common everywhere. Today, I am writing an article about the input controls in Android to understand their similarities and differences., below are some of the input controls we commonly use i
pulled out.
Reason:
The sliding control responds to the touch event, and subsequent events are handled by it, and when sliding the control to the top, the slide event is consumed by the sliding control, and the parent control, the Drop-down refresh control, cannot consume
this case, a TextView control is placed. Because the child view corresponds to the same layout, the resource ID of the control inside each child view is the same because the resource ID is specified by the same layout.The right part of the graph is a data source, such as a content provider or SQLite database, and the query returns a cursor. Adapter is the key to associating the left-hand listview with the
Android official has provided a variety of fragment use of the demo example, in our SDK below the API demo contains a variety of fragment use examples, need to see the demo friends, directly look at the API demo that program can be, Don't go around looking for it. It separates different functions and implements different classes .
Today to explain the fragment control, mainly to switch between view and pag
in person: the Blue Magic W12, Android 2.2 and 2.3 all pass
Tip: The loading interface of some games cannot be full screen, but the actual game can be full screen.
And2.2 has a compatibility mode. Running in this mode will cause the screen to fail to be full screen, such as gtracing
You need to check this setting: settings-> application, remove application compatibility Definition
Then restart the device.
Android rounded corner Tag Control
Generally, the rounded corner label control is implemented by setting the shape in xml. However, if we want to create a more powerful and general rounded corner control, you don't need to care about the rounded corner, just set the background. How should we implement it? In this case,
to slide the carousel, we can only turn the carousel when the finger is very level, and when the finger slips a little bit tilted, the touch event is found to be the ListView Given the response, it becomes a swipe up and down the ListView, and this experience is obviously not very good.If we want a simple implementation now: Maybe the entire application has a lot of pages, now want to in the current specific interface, so that when the finger in the range of the rotation graph, when the finger
Tablayout object through its constructor function
TabLayout tabLayout=new TabLayout(MainActivity.this);Then set its series of properties tabLayout.setTabMode(TabLayout.MODE_FIXED); tabLayout.setBackgroundColor(Color.parseColor("#2b2b2b")); tabLayout.setSelectedTabIndicatorHeight(4); tabLayout.setTabTextColors(Color.parseColor("#236f28"), Color.parseColor("#bc6e1c"));Remember, Tablayout is essentially a viewgroup, just a container for other view, where we store the view is tab, so we have t
Because of business needs, the following code is based on YouTube online video for example
Implementation features:
1. Display title and video cover when initializing
2, the initialization of the time to display a play button
3, no need to rely on any SDK, or import any third-party libraries
4, playback process can be paused, you can drag progress bar fast Forward
5, can play full screen
6, the switch page will automatically pause
7, when the page exits automatically destroys WebView
Take launcher as an example to describe the attributes of a custom control:
1. Define controls in layout, for example:
Xmlns: Android= "Http://schemas.android.com/apk/res/android"
Xmlns: Launcher= "Http://schemas.android.com/apk/res/com.junction.launcher"
Android: Id = "@ + ID/drag_layer"
I. Composite control Topbar Creating a composite control is a good way to create a collection of controls with reusable functionality. Like Topbar.Practice: You generally need to inherit viewgroup, and then add the controls that specify the functionality to it. Take Topbar as an example: 1. Custom properties Create a Attrs.xml file in the values directory that defines the relevant properties in the file. Ty
system desktop. But. We're going to have to drag and drop the controls again, which may not be easy for Android.However,Android agrees that we are adding a view to the WindowManager. The form mechanism in Android is based on the WindowManager implementation.WindowManager's role is to add a view to the screen or remove the view from the screen.It shows the lowest
/notification bar Public Static int Getstatusbarheight(Context context) {classNULL; Object obj =NULL; Field field =NULL;intx =0, Statusbarheight =0;Try{c = class.forname ("Com.android.internal.r$dimen"); obj = C.newinstance (); field = C.getfield ("Status_bar_height"); x = Integer.parseint (field.Get(obj). toString ()); Statusbarheight = Context.getresources (). getdimensionpixelsize (x); }Catch(Exception E1) {E1.printstacktrace (); }returnStatusbarheight; }4. Get the h
Implementation Process
Use the image control or text control in ListView to replace the image button and common button, and set the click event in the Adapter.
Example:
// Set the text in the click Text Box Based on the data item, and set the Click Event TextView txt_remember((textview1_convertview.findviewbyid(r.id.txt _ Remember); txt_Remember.setOnClickListener (new TextView. onClickListener () {publi
Android official has provided a variety of fragment use of the demo example, in our SDK below the API demo contains a variety of fragment use examples, need to see the demo friends, directly look at the API demo that program can be, do not go everywhere to find. It separates different functions and implements different classes.Today to explain the fragment control, mainly to switch between view and page rep
Android has provided various Demo examples for Fragment. The API Demo below our SDK contains various use examples for Fragment. You need to check the Demo, you can simply look at the API Demo program without looking for it everywhere. Different functions are separated to implement different classes.
Today, I will explain how to control Fragment, mainly by switching views and page replacement. There is also
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