How to insert an icon in the beginning of a Material Text Field

Use a TextInputLayout with the app:startIconDrawable

<com.google.android.material.textfield.TextInputLayout
    android:hint="Select Time"
    app:startIconDrawable="@drawable/ic_add_24px"
    style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox">

    <com.google.android.material.textfield.TextInputEditText
        ../>

</com.google.android.material.textfield.TextInputLayout>

Note: it requires the version 1.1.0 of the library.

Use the drawableStart attribute:

https://developer.android.com/reference/android/widget/TextView.html#attr_android:drawableStart

https://developer.android.com/reference/android/widget/TextView.html#setCompoundDrawablesRelativeWithIntrinsicBounds(int,%20int,%20int,%20int)

step 1: copy required Text field

Material text field doc : https://material.io/components/text-fields/android#using-text-fields

step 2: select text field -> search "draw" -> Click drawableLeft icon

step 3: Select or Add icon (I'll select vector icon)

Select icon before Finish

Select icon and click OK

Done :)