android-recyclerview

问题 I am using a recycler view. Here is the adapter public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> { private List<Contact> myContacts; private Activity activity; public MyAdapter(List<Contact> contacts,Activity activity) { this.myContacts = contacts; this.activity = activity; } public class ViewHolder extends RecyclerView.ViewHolder { public TextView mTextView; public ImageView mColorView; public LinearLayout linearLayout; public ViewHolder(View v,MyAdapter adapter) {

问题 I have a RecyclerView which uses a GridLayoutManager and each cell consists of a single ImageView. The data that i want to use to populate it are stored in my Firestore storage as .png and .jpeg images and the naming of each one is icon#.png or icon#.jpeg where # is the respective cell's position. My issue is that when i try to load each image into the respective cell's imageView with the way that you see below, i get an error message because i can't retrieve every image due to some having a

问题 I have a RecyclerView which uses a GridLayoutManager and each cell consists of a single ImageView. The data that i want to use to populate it are stored in my Firestore storage as .png and .jpeg images and the naming of each one is icon#.png or icon#.jpeg where # is the respective cell's position. My issue is that when i try to load each image into the respective cell's imageView with the way that you see below, i get an error message because i can't retrieve every image due to some having a

问题 I have a RecyclerView which uses a GridLayoutManager and each cell consists of a single ImageView. The data that i want to use to populate it are stored in my Firestore storage as .png and .jpeg images and the naming of each one is icon#.png or icon#.jpeg where # is the respective cell's position. My issue is that when i try to load each image into the respective cell's imageView with the way that you see below, i get an error message because i can't retrieve every image due to some having a

问题 I have recyclerview a and all times will be displayed. I want to display slot type. should i use any library to code layout like that? or we can do in our xml itself. please someone suggest me activity_booking_calender.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="@color/white" android:orientation="vertical"> <RelativeLayout android

问题 I have recyclerview a and all times will be displayed. I want to display slot type. should i use any library to code layout like that? or we can do in our xml itself. please someone suggest me activity_booking_calender.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="@color/white" android:orientation="vertical"> <RelativeLayout android

问题 I have seen many examples for providing click functionality (for selecting row item in recycler view) to a row item, but all of them are using custom click listener class to achieve this. Is there any method to achieve this click functionality? 回答1: Detecting click on a RecyclerView item is very easy. All you need to do is define an interface (if you're not using Kotlin, in which case you just pass in a lambda): public class MyAdapter extends RecyclerView.Adapter<MyViewHolder> { private final

问题 This simple code below ONLY gets all visible items, but I need to get all items (both Visible and non-visible). Is this possible to get completely all Items and how? // This gets only visible items final RecyclerView.ViewHolder holder = recyclerView.findViewHolderForAdapterPosition(index); // Same as this final View child = recyclerView.getChildAt(index); final RecyclerView.ViewHolder holder = recyclerView.getChildViewHolder(child); I am also interested in any work around this. If possible.

问题 This simple code below ONLY gets all visible items, but I need to get all items (both Visible and non-visible). Is this possible to get completely all Items and how? // This gets only visible items final RecyclerView.ViewHolder holder = recyclerView.findViewHolderForAdapterPosition(index); // Same as this final View child = recyclerView.getChildAt(index); final RecyclerView.ViewHolder holder = recyclerView.getChildViewHolder(child); I am also interested in any work around this. If possible.

问题 I am developing an android application based on Rest Api remote data, in which I have made one RecyclerView . I have added 2 buttons with each row in RecyclerView . These 2 buttons are Accept and Decline. When user selects accept button certain portion of the JSON Property have to change to True and if selects decline button certain portion of the JSON Property have to change to false and @POST it. How can I do it? I’m new in Rest Api with RecyclerView , so if you know the solution please