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Getactivity .findviewbyid

Web/**Construct a Drawer by passing the activity to use for the generation * * @param activity current activity which will contain the drawer */ public DrawerBuilder(@NonNull Activity activity) { this.mRootView = (ViewGroup) activity. findViewById (android.R.id.content); this.mActivity = activity; this.mLayoutManager = new LinearLayoutManager(mActivity); ... WebJul 22, 2016 · Interface approach. You can also solve this problem using interface. 1) Create an interface. public interface ItemclickListerner{ public void startActivity(int index); }

android - null object reference on findViewById in Fragment

WebMar 26, 2024 · The Layout of your Fragment has nothing to do with the Layout of your Activity hence your getActivity().findViewById will fail.. In the onCreateView after inflating the Layout do the following:. Home = (TextView) v.findViewById(R.id.homename); Some coding style tips: Make your TextView's access private.When naming them start with … WebFeb 11, 2013 · You are doing two things wrong here: You cannot replace a fragment that is statically placed in an xml layout file. You should create a container (e.g. a FrameLayout) in the layout and then add the fragment programatically using FragmentTransaction.. FragmentTransaction.replace expects the id of the container that contains the fragment … krista\u0027s restaurant cornish me https://marchowelldesign.com

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WebJun 4, 2015 · findViewById always requires a context to find the view. If you are calling this from a class which is extends the Activity class, you could just use findViewById, because Activity is the context.. When you are calling it from a class that extends fragment, you have to use getActivity().findViewById. In your case, since you are calling it in an adapter, … WebDec 20, 2010 · findViewById(android.R.id.content).getRootView() Also it was reported that on some devices you have to use . getWindow().getDecorView().findViewById(android.R.id.content) instead. Please note that as Booger reported, this may be behind navigation bar (with back button etc.) on some … WebJun 18, 2024 · There lies your problem. If your XML layout is inflated from the activity use getActivity().findViewById(R.id.FirstThem); If its inside the fragment layout, then use the view.findViewById(R.id.FirstThem); Code Example: map of 17th century

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Getactivity .findviewbyid

java - 方向更改后,按鈕和菜單停止工作 - 堆棧內存溢出

Web我有一個Recycler視圖的片段 回收器視圖已正確膨脹,但回收器視圖的每個卡中都有彈出菜單。 但是彈出菜單活頁夾拋出infateException adsbygoogle window.adsbygoogle .push … WebApr 10, 2024 · 首先我们创建两个Fragment以及对应的布局,他们分别是左右侧滑菜单!. 布局: fg_left.xml ,这里就用了一个图片而以,点击后弹出一个新的Activity;当然你可以根据自己的需求进行扩展!. 编写好以后,就到我们的Activity的布局了以及Activity的代码了:在此 …

Getactivity .findviewbyid

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WebMay 29, 2024 · My question is why can't I use getActivity method in the following code. I'm trying to upload image with webView. It's my first Android application. I want to create an … http://duoduokou.com/android/50896699822362328584.html

WebOct 7, 2024 · When I add a view to xml (layout) of my activity, it takes an id, so I can use that id in code of activity to recognize it and change my view if I like. Android make an R.class … WebFrom android docs: getActivity () returns the Activity this fragment is currently associated with, and getView () returns the root view for the fragment's layout (the one returned by onCreateView (LayoutInflater, ViewGroup, Bundle)), if provided. So, in your case, by the following line of code: getView ().findViewById (R.id.load_item_list);

Web@Override protected void setUp() throws Exception { super.setUp(); setActivityInitialTouchMode(true); activity = getActivity(); scrollable = … WebYou can call findViewById() with the Activity Object you get inside your public void onAttach(Activity activity) method inside your Fragment. Save the Activity into a variable …

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WebMay 6, 2024 · I have been trying to set an OnClickListener in a fragment, for a button in my activity's layout. However, I keep getting a null pointer exception when using findViewById () for the button. I think I am correctly using getActivity ().findViewById () correctly, because I use it for R.id.chipGroup (which is from the same LinearLayout as the ... map of 1812 warWebandroid UI元素没有响应,android,layout,responsiveness,Android,Layout,Responsiveness map of 1815WebJul 23, 2016 · All you have to do in your Fragment code is use the getActivity method to get a reference to your Activity, and then the usual findViewById method to get a reference … map of 1800s united statesWebSorted by: 3. this should solve the problem modify onCreateView () as below: View view = inflater.inflate (R.layout.fragment_first, container, false); spinner = (Spinner)view.findViewById (R.id.spinner); return view; Note that layout fragment_first should have the Views you wish to find (i.e the spinner) in this case. map of 1836 ceded territoryWeb本节给大家带来基础UI控件部分的最后一个控件:DrawerLayout,官方给我们提供的一个侧滑菜单控件,和上一节的ViewPager一样,3.0以后引入,低版本使用它,需要v4兼容包,说到侧滑。 krista warner actress ageWebDec 27, 2016 · Fragment liBrary = getSupportFragmentManager() .findFragmentById(R.id.imgbtn1); imgBtn1 = (ImageButton) Library.getActivity().findViewById(R.id.imgbtn1); imgBtn1.setBackgroundResource(R.mipmap.exercise); -Edited- Also just to provide a … krista ward caresourceWeb我有一個Android應用程序,它使用選項卡和片段進行導航。 該應用啟動后運行良好,但更改方向后,片段中的菜單項和小部件停止工作。 如果我將android:configChanges orientation screenSize 放在清單中,則該應用程序可以運行,但是在Android文檔中它說這應該 map of 1776 new york city