Seems like there is no XML attribute to change the startIconDrawable size in android. The icon is oversized as compared to the text. Here is a screenshot of the issue:
Here is my XML:
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<com.google.android.material.textfield.TextInputLayout
style="@style/textInputStyle"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="Enter Paypal ID"
android:padding="5dp"
app:endIconMode="clear_text"
app:startIconDrawable="@drawable/ic_paypal_logo">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/et_form_question_hint"
style="@style/textInputEditext"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:inputType="textEmailAddress"
android:paddingHorizontal="@dimen/normalPadding" />
</com.google.android.material.textfield.TextInputLayout>
</LinearLayout>
If anyone wishes to reproduce styles are as follows:
<style name="textInputEditext" parent="FirebaseUI.TextInputEditText">
<item name="maxLine">1</item>
<item name="android:textColor">@color/colorOnSurface</item>
</style>
<style name="textInputStyle" parent="Widget.MaterialComponents.TextInputLayout.OutlinedBox">
<item name="android:layout_marginBottom">12dp</item>
<item name="errorEnabled">true</item>
<item name="endIconTint">@color/colorSurface</item>
<item name="hintTextColor">@color/colorOnSurface</item>
<item name="shapeAppearance">@style/Cut</item>
<item name="boxStrokeColor">#AA000000</item>
<item name="android:textColorHint">@color/colorOnSurface</item>
<item name="android:textStyle">bold</item>
<item name="counterTextColor">@color/colorOnSurface</item>
<item name="android:textColor">@color/colorOnSurface</item>
</style>
