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Add hint text at the below of the input field

Time:04-26

At the moment, I have the simplest one-page application with one data entry field. I looked at a lot of examples, but I could not find the answer to my question: how do I add hint text at the bottom of the input field?

<?xml version="1.0" encoding="utf-8"?>
<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">
    
    <EditText
        android:id="@ id/editTextUserId"
        android:layout_width="347dp"
        android:layout_height="60dp"
        android:layout_marginBottom="20dp"
        android:ems="10"
        android:hint="User"
        android:inputType="textPersonName"
        android:text="@string/user_id"
        android:textSize="16sp"
        app:layout_constraintBottom_toTopOf="@ id/imageButton"
        app:layout_constraintEnd_toEndOf="@ id/editTextDeviveId"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="@ id/editTextSessionId"
        app:layout_constraintTop_toBottomOf="@ id/editTextDeviveId"
        />
</androidx.constraintlayout.widget.ConstraintLayout>

enter image description here

CodePudding user response:

<com.google.android.material.textfield.TextInputLayout
            android:id="@ id/til_customer_no"
            style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:padding="3dp"
            app:helperTextEnabled="true"
            app:helperText="User">
            <com.google.android.material.textfield.TextInputEditText
                android:id="@ id/editTextUserId"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="Customer No"
                android:inputType="text" />

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

CodePudding user response:

Add a Textview and Constraint it below your Edittext

<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">

<EditText
    android:id="@ id/editTextUserId"
    android:layout_width="347dp"
    android:layout_height="60dp"
    android:layout_marginBottom="20dp"
    android:ems="10"
    android:hint="User"
    android:inputType="textPersonName"
    android:text="@string/user_id"
    android:textSize="16sp"
    app:layout_constraintBottom_toTopOf="@ id/imageButton"
    app:layout_constraintEnd_toEndOf="@ id/editTextDeviveId"
    app:layout_constraintHorizontal_bias="0.0"
    app:layout_constraintStart_toStartOf="@ id/editTextSessionId"
    app:layout_constraintTop_toBottomOf="@ id/editTextDeviveId"
    />

<TextView
    android:id="@ id/hint"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_marginStart="16dp"
    android:layout_marginTop="8dp"
    android:text="user"
    android:textColor="@android:color/holo_red_dark"
    android:textSize="14sp"
    app:layout_constraintStart_toStartOf="@ id/editTextUserId"
    app:layout_constraintTop_toBottomOf="@ id/editTextUserId" />
   </androidx.constraintlayout.widget.ConstraintLayout>

Then if you want to show/hide it base on user interaction you can do something like this in your activity

editTextUserId.setOnFocusChangeListener((view, b) -> {
        if(b){hint.setVisibility(View.VISIBLE);}
        else {hint.setVisibility(View.INVISIBLE);}

    });



enter code here
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