android fragment tutorial

Acitivtypublic class Mainactivity extends Activity {1. Instantiating class objectsPrivate Onefragment onefragment = new Onefragment ();@Overrideprotected void OnCreate (Bundle savedinstancestate) {Super.oncreate (savedinstancestate);Setcontentview (R.layout.activity_main);。。。。。。 Omit code2, call the object's set method, callback interface objectOnefragment.setonbuttonclick (New OnButtonClick () {3, the method of implementing the Interface object,@Overridepublic void OnClick (view view) {Switch

Yii Open Fragment Cache method, Yii open fragment The example in this paper describes how Yii turns on fragment caching. Share to everyone for your reference, as follows: 1. Add the components in the main.php file: Cache ' =>array ( ' class ' = ' System.caching.CFileCache ',), 2. Add this sentence where you need to cache in view For more information on YII r

(R.id.textview1);//textview1.settext ("Change");}Detailed questions:In the fragmenta.onactivitycreated ().TextView textView1 = (TextView) GetView (). Findviewbyid (R.id.textview1); The resulting is always null.In Fragment.oncreateview (),Public View Oncreateview (Layoutinflater inflater, ViewGroup container,bundle savedinstancestate) {Second number of references Container is always a null valueIn Mainactivity, Findviewbyid (R.id.textview1), the same is a null value.What is the problem??????????

Original address: http://toughcoder.net/blog/2015/04/30/android-fragment-the-bad-parts/?utm_source=tuicoolutm_medium= ReferralFragment is a UI component of Android that was added to the 3.0 (Homeycomb) version for more flexibility in building a multi-screen interface. For fragment, you can refer to the official tutoria

Android learning-in-depth analysis of Android Fragment People who have some experience in the interview have a deep understanding. Fragment knowledge is usually asked during each interview. So today I will share Fragment with you separately. How

Android Api Component --- Fragment Component translation (1) Fragment represents one or more actions in an Activity. You can connect multiple fragment in a single activity to build a multi-panel UI, in addition, one fragment is used repeatedly in multiple activities. You can

This document is translated from Android official documentation, combined with your own tests, organized as follows.OverviewFragment represents a behavior or part of the UI in activity. We can use multiple fragments in one activity or reuse a fragment in multiple activities. We can use fragment as part of the activity modularity,