android-recyclerview

问题 I want to have a recyclerview to load more data on scrolling. It was working perfectly with loading more data. Then i extended code to show progressbar at the end to show loading. But it not working properly. It shows two many progressbar at a time and also my loading data is not proper. Here, i have implemented my code. Please help me. MainActivity.java public class MainActivity extends AppCompatActivity { RecyclerView recyclerView; MyAdapter adapter; final ArrayList<String > data = new

问题 There seems to be various ways to implement RecyclerView lists, some more logical than others. Going beyond a simple list to one where the data changes increases the complexity. Additional complexity comes from implementing the ability to view the details of the list items. Although I have had some success at implementing lists in this manner, I feel that what I've come-up with is not efficient and not what was intended when the framework was designed. Looking at the various methods I've used

问题 I had created a Navigation Drawer with a RecyclerView inside of it. I had learned that from YouTube. However I had trouble implementing an "onNavigationDrawerItemSelected" method for it. What I want to do is for the user to be able to click on the items in the list and it will navigate them to an Activity instead of a Fragment. I am new to android programming, hence I am bad in understanding the codes. I've looked everywhere on tutorials online such as the links below, but it wouldn't work. I

问题 I have a RecyclerView that has many cards that hold 4 EditText . When I input values in one EditText of one card, it fills the same value in random cards. Surprisingly it does not jump EditText s for example: If I input values in edittext1 of card1 it would fill the same value into edittext1 in card8 and if I change the value in card8 it will change the value back in card1 . Could someone please tell me why this is happening. Thank You in Advance Here is my code: public class MyAdapter

问题 I have a Fragment that contains a RecyclerView which uses a custom RecyclerAdapter . I have an onClickListener inside my custom RecyclerAdapter - when a position is clicked I want it to start startActivityForResult . So far this works in as such as when it is clicked it starts the Activity as desired. However when I press the back button to go to the Fragment containing the RecyclerView onActivityResult is never called. I have passed in a context to the custom RecyclerAdapter . Is this

问题 I use Android Studio 2.0 . I have used RecyclerView and CardView which render properly on kitkat but when the app is run on SAMSUNG A5 with android 5.1.1 (lollipop) the RecyclerView doesn't scroll and my CardView doesn't have elevation and corner. I tried solutions suggested in SO such as adding card_view:cardUseCompatPadding="true" and adding margin. Even changed xmlns:card_view="http://schemas.android.com/apk/res-auto" to xmlns:card_view="http://schemas.android.com/tools" But these didn't

问题 I am using from bellow code for converting numbers to currency format when text changes but when I scrolled the recyclerView I lost true data. What can I do : public class ManagePriceProductsAdapter extends RecyclerView.Adapter<ManagePriceProductsAdapter.ViewHolder> { private List<ManagePriceProductsModel.DataValue> managePriceProductsModelList; private Context context; private getListDiscountInterface getListDiscountInterface; private int vendorId = -1; public ManagePriceProductsAdapter

问题 I am designing screen from Zeplin. (Zeplin provides each item attributes in dp) Following is the horizontal recycler view design example with 4 items from Zeplin. 360 dp means 1080 for xxhdpi devices I am testing my code on two 1080 devices with different dpi Samsung c5 [1080 x 1920 pixels, 16:9 ratio (480dpi)] Nexus 5X [1080 x 1920 pixels, 16:9 ratio (420dpi)] I am facing spacing issue in Nexus-5x, the Zeplin design works great on Samsung-c5. Samsung-c5 result Nexus-5x result - spacing issue

问题 I have a RecyclerView and I use the following line to add new items: recyclerAdapter.notifyItemInserted(newItemIndex); Is there a listener I can use to know when the RecyclerView has finished adding the item? 回答1: I would try creating a subclass of the DefaultItemAnimator overriding the onAddFinished method. public class MyDefaultItemAnimator extends DefaultItemAnimator { @Override public void onAddFinished(RecyclerView.ViewHolder item) { super.onAddFinished(item); String text = "Add element:

问题 I am stuck with a issue in managing Multiple Recyclerview recycling inside a NestedScrollView . Let me tell what I am trying to do - I have two frame layouts i.e. frame1 and frame2. I have two fragments containing recyclerview , First fragment's recyclerview showing items horizontally while second fragment's recyclerview showing list Vertically. Now I have put both FrameLayout inside a NestedScroolView , frame1 recyclerview is recycling all the view's properly but frame2 recylerview is not