As you can see, My activity_main.xml design isn't show but my coding is still here. I don't know how to make it works. There is no errors.
<androidx.constraintlayout.widget.ConstraintLayout 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"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<com.google.android.material.textfield.TextInputLayout
android:id="@+id/my_text_input_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/enter_activity_name"
tools:ignore="MissingConstraints">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/my_text_input"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
</com.google.android.material.textfield.TextInputLayout>
<TextView
android:id="@+id/end_icon"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/calendar"
app:layout_constraintTop_toBottomOf="@id/my_text_input_layout"
app:layout_constraintStart_toEndOf="@id/my_text_input"
app:layout_constraintEnd_toEndOf="@id/my_text_input_layout"
app:layout_constraintHorizontal_bias="0.122"
app:layout_constraintVertical_bias="0.096"
tools:ignore="NotSibling" />
</androidx.constraintlayout.widget.ConstraintLayout>
