fragment examples

Create Fragment ClassImportAndroid.os.Bundle;Importandroid.support.v4.app.Fragment;ImportAndroid.view.LayoutInflater;ImportAndroid.view.ViewGroup; Public classArticlefragmentextendsFragment {@Override PublicView Oncreateview (layoutinflater inflater, ViewGroup container, Bundle savedinstancestate) {//inflate the layout for this fragment returnInflater.inflate (R.layout.article_view, container,false);

.htmlWe can observe the Mandelbrot from our perspective. Although it takes only a few minutes, it seems that it has been flying for a long time in the world of fragment, in the past, all generations can continue to fragment, refragment, and refragment along these patterns.But actually?Our bodies are barely moving, and our eyes are moving for a short time.If there is a third perspective to observe the change

=============== Problem description ==================== XML file:[Color = # ff0000] [/color] Android: Id = "@ + ID/btn_1" Android: layout_width = "wrap_content" Android: layout_height = "wrap_content" Android: layout_marginleft = "4dp" Android: layout_marginright = "4dp" Android: Background = "@ drawable/btn_selector" Android: onclick = "onbuttonclickhandler" Android: padding = "5dp" Android: text = "@ string/One"/> Fragment class Public void onb

The program is easy. I haven't done it for a long time. Depressed....。。。。。。。。Consult in the Forum and find out the answer eventually.Descriptive narrative:A activity:mainactivity. The interior is a fragment:fragmenta. There are textview in Fragmenta.Problem: No matter what the Fragmenta internal TextView, the return value is always nullDetailed description of the narrative:Mainactivity's Layout:activity_main.xml>Fragmenta's Layout:fragment_a.xmlXML version= "1.0" encoding= "Utf-8"? >Mainactivity

1, try not to use the app package fragment, because this is after 3.0, the supported version is too high, in the lower version is not used 2, Android.support.v4.app.Fragment: can be compatible to 1.6 of the version, 3. Questions about the use (1) App.fragment and v4.fragment can use (2) When v4.fragment uses When the activity layout has a Fragmentactivity

The Android App home page is fragmentactivity and the remaining pages are fragmnet pages.Three buttons on the bottom navigation bar of the main page. Click on the three buttons to jump to different frgment. If you click on this three button, two or three and then one, you need to determine whether the user is logged in, (of course, the login page of the jump is also the Frgment page). Then jump to the login page, how to return after successful loginThe main Page button corresponding to the

I. First add the Viewpager control to XMLWe want each Viewpager to display a pictureCreate a new Pager_item.xml fileThe code is as followsTwo. AnalysisA viewpager needs to set up an adapter that can inherit Fragmentstatepageradapter,The adapter also needs to set the data, which adds fragmentation to the adapter. Fragments can inherit fragment, set views, listen, and so on, as shown below:Three. We need to create a new

1 Importjava.util.Date;2 Importjava.util.LinkedList;3 4 Importcom.qianfeng.gp08_day23_fragment5.fragment.TestFragment;5 6 ImportAndroid.os.Bundle;7 Importandroid.app.Activity;8 Importandroid.app.Fragment;9 Importandroid.app.FragmentTransaction;Ten ImportAndroid.view.Menu; One ImportAndroid.view.View; A - /** - * the * - * - */ - Public classMainactivity_2extendsActivity { + - @Override + protected voidonCreate (Bundle savedinstancestate) { A Super. OnCreate (savedinstancesta

cast ShadowsMethod One: Add a separate pass channelPass{tags{"Lightmode" = "Shadowcaster"}}Shadowcaster: Shadow projector, can cast shadowsmethod Two: Add object default Shadow projectionFallBack "Diffuse"Then turn the light on the shadow:The effect is as follows: (for adding a parallel light)If you want our shader to support the point Light shadow projection, addFallBack "Diffuse"Effect after adding a point light: receive shadows: Let our ball planes accept shadows Source:Shader "Sbin/mydiffuse

In fact, the method is very simple, but it was complicated at first, and then I went to stackoverflow to see the various answers, which became even more confused. The main thinking is over. Both fragment and layout put in viewpager are adapter containers. Therefore, the most correct way to change the content is to modify the data in the adapter. The replacement steps must be: 1. Delete the fragment of the c

JQuery fragment (1) Basics: select the elements to be operated, process DOM elements, and jquery Fragment 1. Basics Jquery object set:$ (): Jquery object setObtain the elements in the jquery object set:Use the index to obtain the javascript element in the wrapper: var temp = $ ('img [alt] ') [0]Use the get method of jquery to obtain the javascript element in the jquery object set: var temp = $ ('img [alt] '

JQuery fragment (3) animation effects, jquery Fragment 5. animation Effects ● Self-made folding content Block The content block is as follows: Recently, Ma Dexing, a reporter from Sports Weekly, said in an interview with Tianjin Sports Channel's New Horizons program that he was worried about Evergrande's [Weibo] situation, evergrande's dominance is much lower than l

Basic knowledge of IOS development-fragment 25, basic knowledge of ios-Fragment 1: Use @ protocol to implement the delegate and datasource Modes #import # Import "myView. h "@ implementation myView-(void) myShowAlert {UIAlertView * alert = [[UIAlertView alloc] initWithTitle: @" test instance "message: @" message "delegate: self cancelButtonTitle: @ "cancel" otherButtonTitles: @ "OK", nil]; alert. message =

Basic knowledge of IOS development-fragment 10, basic knowledge of ios-Fragment 1: how to add the background effect when selecting table cell columns if (cell == nil) { cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellIdentifier]; cell.backgroundColor = [UIColor clearColor]; cell.textLabel.font = [UIFont fontWithName:@"HelveticaNeue" size:18]

Basic knowledge of IOS development-fragment 50, basic knowledge of ios-Fragment 1: Two or more Masonry controls are sorted at intervals. /*** Multiple controls are arranged at regular intervals, the length or width of the control is changed ** @ param axisType axis direction * @ param fixedSpacing interval size * @ param leadSpacing header interval * @ param tailSpacing tail interval */-(void) interval :(

Basic knowledge of IOS development-fragment 12, basic knowledge of ios-Fragment 1: Use Delegate . H # import 2: Implement UIButton display in different States [Btn setTitle: @ "more" forState: UIControlStateNormal]; [btn setTitle: @ "collapse" forState: UIControlStateSelected]; btn. titleLabel. font = [UIFont systemFontOfSize: 12]; [btn setTitleColor: [UIColor blackColor] forState: UIControlStateNormal]; [

Unity the maximum number of vertices for a patch is 65524, so larger than this number, split into multiple patches 1. Get the maximum and minimum values for the x-axis of the car [ -2.5,2.5]+rSurfaceshader syntaxSurf:surface Shader method Name vert: Using the Vertex program method nameSurface shader method cannot have a return valueSource:Shader "Sbin/surfaceshader" {Properties {_glossiness ("smoothness", range (0,1)) = 0.5_metallic ("Metallic", range (0,1)) = 0.0_upcolor ("Upcolor", color) = (1

Basic knowledge of IOS development-fragment 24, basic knowledge of ios-Fragment 1: compatible with the font size 6 plue and the following differences #define FONT_COMPATIBLE_SCREEN_OFFSET(_fontSize_) [UIFont systemFontOfSize:(_fontSize_ *([UIScreen mainScreen].scale) / 2)] In iPhone 4 ~ In 6, the scaling factor scale = 2; in iPhone 6 +, the scaling factor scale = 3 Application: myLabel.font=FONT_COMPATIBLE

); }} Layout file: only the layout in MainActivity and the layout in fragment are provided here. Layout in MainActivity: activity_main.xml Fragment layout: fragone. xml In fact, this column is easy to understand. I checked it on the Internet and many people copied it from the official website. I think it is easy to understand it. Many shortcomings. You are welcome to learn and exchange. How to Use

To manage fragment, you need to use FragmentManager. To obtain it, you need to call the getFragmentManager () method in the activity (). You can use FragmentManager to do the above: 1. Use findFragmentById () or findFragmentByTag () to obtain the existing fragment in the activity. 2. Use popBackStack () to pop up fragment members from the back stack of the a