Recycler View Item not changing its colour

Question

I had a recycler view and a grid layout manager to that.For the layout item inflated for recycler view I set a background colour like this

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:clickable="true"
    android:orientation="vertical">

    <TextView
        android:id="@+id/regNo"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_weight="0.9"
        android:background="@drawable/student_li_bgcolor"
        android:gravity="center"
        android:padding="7dp"
        android:clickable="true"
        android:text="15BEC0584"
        android:textColor="#64DD17"
        android:textSize="17dp" />

</LinearLayout>

The content of student_li_bgcolor is this

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item
        android:state_selected="true">
        <shape>
            <solid
                android:color="#64DD17"
                />
        </shape>
    </item>
    <item
        android:state_pressed="true"
        >
        <shape>
            <solid
                android:color="#ffffff"
                />
        </shape>
    </item>
    <item
        android:state_selected="false"
        >
        <shape>
            <solid
                android:color="#ffffff"
                />
        </shape>
    </item>
</selector>

What I want to acheive is changing the item color to green if user has pressed it atleast once.

With this code

 <item
        android:state_pressed="true"
        >
        <shape>
            <solid
                android:color="#ffffff"
                />
        </shape>
    </item>
    <item
        android:state_pressed="false"
        >
        <shape>
            <solid
                android:color="#ffffff"
                />
        </shape>
    </item>

I'm able to change background colour on click.But its reverting back to its original colour as soon as user removed finger on it.I dont want that.Please help me...Thanks in advance...

Answer 1

If you want to change the background color permanently, you should add an OnClickListener and do it in OnClickListener.onClick() .

<selector> is just a state list resource that changes appearance depending on the button's current state.

How to use an onClickListener please refer to this .

I'm glad if it can help.