android-recyclerview

问题 Hi I am Following this tutorial: http://www.journaldev.com/10024/android-recyclerview-and-cardview-example-tutorial Now I am facing a weird issue the margin between each CardView item inside RecyclerView is way too much. ISSUE How to reduce the Margin between each item of CardView placed inside RecyclerView ? 回答1: I faced similar issue, with RelativeLayout as the root element for each row in the recyclerview. To solve the issue, find the xml file that holds each row and make sure that the

问题 from two days i has been find the solution for this exception please anybody can give solution for this problem . in this current activity we used the recyclerview 1000+ items . java.lang.RuntimeException: Adding window failed Caused by: android.os.DeadObjectException: Transaction failed on small parcel; remote process probably died this is constructor of recycler Adapter class Recycler_Adapter_one_line(Context context, Activity activity, FragmentManager fragmentManager,SQLiteDatabase

问题 from two days i has been find the solution for this exception please anybody can give solution for this problem . in this current activity we used the recyclerview 1000+ items . java.lang.RuntimeException: Adding window failed Caused by: android.os.DeadObjectException: Transaction failed on small parcel; remote process probably died this is constructor of recycler Adapter class Recycler_Adapter_one_line(Context context, Activity activity, FragmentManager fragmentManager,SQLiteDatabase

问题 I have a recyclerview and I want to search in it with help of searchview. I want my searched characters to be colored and be specific. I am programming with Kotlin. 回答1: After a hard effort I found the answer myself. I use a function like this: fun colorsearch(a:String,charText: String):SpannableStringBuilder{ var l = 0 var b:ArrayList<Int> b = ArrayList() var w = 0 var i = 0 if (charText!=""){ label@ while (i < a.length) { var j=0 while (j<charText.length){ Log.v("abc", j.toString()) if (i =

问题 class CustomeAdapterForTopics( val ctx: Context, var clickListener: OnTopicClick, val items: ArrayList<ModelForTopics> ) : RecyclerView.Adapter<TopicViewHolder>() { override fun onBindViewHolder(holder: TopicViewHolder, position: Int) { val user: ModelForTopics = items[position] holder.textViewName.text = user.name holder.initilise(items.get(position), clickListener) // if() { // holder.textViewName.setTextColor(Color.parseColor("#FFA07A")); // // // } else { // holder.textViewName

问题 What approach should be taken to preserve (data & view rendering) of recyclerview list in 2 tabs present within a fragment, which is part of androidx.navigation NavController ? Activity --> Fragment A --> Fragment B (with 2 tabs) --> Fragment C (and back till activity) Each tab of Fragment B has accordion type view (multiple active), made from 1 ParentRecycler view & ChildRecycler view (number of parent recycler view times) (The recycler view list are not bound to change on previous next

问题 What approach should be taken to preserve (data & view rendering) of recyclerview list in 2 tabs present within a fragment, which is part of androidx.navigation NavController ? Activity --> Fragment A --> Fragment B (with 2 tabs) --> Fragment C (and back till activity) Each tab of Fragment B has accordion type view (multiple active), made from 1 ParentRecycler view & ChildRecycler view (number of parent recycler view times) (The recycler view list are not bound to change on previous next

问题 When I click on an item, sometimes it works and sometimes it crashes. Below is the FATAL EXCEPTION after clicking on an item. 2020-03-31 21:59:18.087 15383-15383/com.aliton.myapp E/AndroidRuntime: FATAL EXCEPTION: main Process: com.aliton.myapp, PID: 15383 java.lang.IllegalStateException: View androidx.constraintlayout.widget.ConstraintLayout{b3bb13b V.E...C.. .......D 0,336-720,518} does not have a NavController set at androidx.navigation.Navigation.findNavController(Navigation.java:84) at

问题 Actually I am using recycler view and adding a layout in the rows and I am using flip animation on cardviews(when clicked on it). The problem is when I add multiple items in the recycler the flip animation works only with the first item. I used toast to make sure that click function is working with other items or not, turns out it's working but flip animation is not working with any other items.Can any one help me out here This is my code override fun onCardClick(item: PacketModel, position:

问题 I have the following test written for RecyclerView @Test fun testHomeActivity_recyclerViewIndex0_configurationChange_displaysWelcomeMessageCorrectly() { launch(HomeActivity::class.java).use { onView(isRoot()).perform(orientationLandscape()) onView( atPositionOnView(R.id.home_recycler_view, 0, R.id.welcome_text_view ) ).check(matches(withText(containsString("Welcome")))) } } It gets passed successfully on my real device, but gets failed on Nexus S hdpi emulator device. With the following error