Inflating Nested Layout with RadioButton to a Container

Question

I have created a layout that will be inflated to a container this layout contain radiobutton

Problem: The layout inflated but all the radio button get checked, is this wrong?.

Layout containing radio button to be inflated in the container.

<LinearLayout
   xmlns:android="http://schemas.android.com/apk/res/android"
   android:layout_width="match_parent"
   android:layout_height="23dp"
   android:layout_marginTop="10dp"
   android:orientation="horizontal">
   <RadioButton
    android:id="@+id/radioButton"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"/>
</LinearLayout>

Layout for the container

<LinearLayout
   xmlns:android="http://schemas.android.com/apk/res/android"
   android:layout_width="match_parent"
   android:layout_height="match_parent">
   <RadioGroup
    android:id="@+id/container"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"/>
</LinearLayout>

Code Inflating the child

 LayoutInflater inflater = (LayoutInflater)   getApplicationContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    for (int i = 0 ; i < 6 ; i++){
        LinearLayout child =(LinearLayout) inflater.inflate(R.layout.layout_linear_with_rb,container,false);
        container.addView(child);
    }

Screenshot:RadioButton screenshot containing someview

capt.swag · Answer 1 · 2017-12-14T09:31:58.597

RadioGroup documentation

The selection is identified by the unique id of the radio button as defined in the XML layout file.

And looking at your codebase, I see that you don't have an unique Id for your RadioButton.

I made a sample project and tried adding RadioButton's dynamically with unique Ids and it works flawlessly.

    RadioGroup container = findViewById(R.id.container);

    for (int i = 0 ; i < 6 ; i++){
        RadioButton radioButton = new RadioButton(this);
        radioButton.setId(i);
        container.addView(radioButton);
    }

There might be a problem of conflicting ids in this case. Maybe an id of 0 is set on some other view. To avoid such confusion I recommend using View.generateViewId() to generate an unique id.

View.generateViewId() is available only from API >= 17.

Edit 1

Please stop using LinearLayout as parent inside your RadioButton layout. A quick fix for you will be changing the RadioButton layout file to

<RadioButton xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/radioButton"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content" />

And changing your Java code to

LayoutInflater inflater = (LayoutInflater) getApplicationContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
for (int i = 0 ; i < 6 ; i++){
    RadioButton radioButton = (RadioButton) inflater.inflate(R.layout.layout_linear_with_rb,container,false);
    radioButton.setId(i);
    container.addView(radioButton);
}

I have a problem the LinearLayout that is the parent of the RadioButton contains some view, I didn't included it in my question Im sorry. — TABZ, Dec 14 '17 at 11:14
Try putting unique ids like the way I'm doing to the LinearLayouts as well. — capt.swag, Dec 14 '17 at 11:39
I guess there is no direct way of achieving what you're trying to do. This link might be of some use https://stackoverflow.com/a/13273890/2356570 — capt.swag, Dec 15 '17 at 11:53

TABZ · Accepted Answer · 2018-01-16T03:43:47.020

1

The problem here is the RadioGroup it looks for a RadioButton child only, and because Im using a nested layout that contain the RadioButton the RadioGroup cannot find the RadioButton that is inflated programmatically.

How I solve this problem is with the https://github.com/worker8/RadioGroupPlus this is a tweak RadioGroup that dig deep on nested layout and find the RadioButton inside.

edited Jan 16 '18 at 03:43

answered Jan 16 '18 at 02:20

TABZ

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Inflating Nested Layout with RadioButton to a Container

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