android – How to group RadioButton from different LinearLayouts?

Exception or error: I was wondering if is possible to group each single RadioButton in a unique RadioGroup maintaining the same structure. My structure look like this: LinearLayout_main LinearLayout_1 RadioButton1 LinearLayout_2 RadioButton2 LinearLayout_3 RadioButton3 As you can see, now each RadioButton is a child of different LinearLayout. I tried using the structure below, but it …

Scrolling a Linearlayout (Android App programming)

Exception or error: I already read a lot about scrolling a Linearlayout, but nothing helped yet. It says you can simply put it in a ScrollView, but whenever i do that, my app crashes when i try to start it. Thats my Sourcecode of the xml : <?xml version=”1.0″ encoding=”utf-8″?> <Scrollview xmlns:android=”http://schemas.android.com/apk/res/android” android:id=”@+id/scrollout” android:layout_width=”fill_parent” android:layout_height=”wrap_content”> …

html – Try to find a better way to layout 4 images

Exception or error: I have 4 images and try to layout them as my expections. I know there is a very easy way to layout with table layout like the following snippet. <div> <table> <tr> <td/> <td><img src=”https://en.pimg.jp/015/085/802/1/15085802.jpg” width=”50px” height=”50px”/></td> <td/> </tr> <tr> <td><img src=”https://en.pimg.jp/015/085/802/1/15085802.jpg” width=”50px” height=”50px”/></td> <td><img src=”https://en.pimg.jp/015/085/802/1/15085802.jpg” width=”50px” height=”50px”/></td> <td><img src=”https://en.pimg.jp/015/085/802/1/15085802.jpg” width=”50px” height=”50px”/></td> …

android – Why does included layouts suggestions are not coming while working with Databinding?

Exception or error: Only activity_main binding suggestions coming, but not content_main. can anybody please help what’s going wrong? can anyone give me why it’s not happening? I tried with binding.included.…. not coming Code activity_main: <?xml version=”1.0″ encoding=”utf-8″?> <layout xmlns:android=”http://schemas.android.com/apk/res/android” xmlns:app=”http://schemas.android.com/apk/res-auto” xmlns:tools=”http://schemas.android.com/tools”> <data> <variable name=”UserViewModel” type=”com.lifetrenz.lifetrenz_gcc_doctorapp.viewmodel.UserViewModel” /> </data> <androidx.constraintlayout.widget.ConstraintLayout android:layout_width=”match_parent” android:layout_height=”match_parent”> <include android:id=”@+id/included” layout=”@layout/content_main” tools:layout_editor_absoluteX=”0dp” tools:layout_editor_absoluteY=”0dp” …

android – Weird behavior (bug?) with RecyclerView And LinearLayoutManager with reverseLayout == true

Exception or error: When using RecyclerView with LinearLayoutManager and “reverseLayout” flag set to true, when notifying any item via notifyItemChanged it also calls onBindViewHolder for the first non-visible item. And it doesn’t call onViewRecycled for that item afterwards whatsoever. So in case of a ViewHolder doing some kind of subscription in onBind it will never …