How do I reduce the padding between the text hint and text line?

问题

I have a TextInputEditText with a hint shown. I really do not like the amount of space between the hint and text line. I have tried setting the gravity to bottom but no luck.

       <com.google.android.material.textfield.TextInputEditText
                    android:layout_width="400dp"
                    android:layout_height="wrap_content"
                    android:background="@android:color/white"
                    android:inputType="textNoSuggestions"
                    android:hint="@string/email_hint"
                    android:textColorHint="@color/color_hint_grey"
                    android:fontFamily="@font/alternate_got_no1d"
                    android:textSize="20sp"/>

回答1:

In order to reduce the height of a text box, you can use a dense style, which will reduce the vertical padding within the text box

<com.google.android.material.textfield.TextInputLayout
       ....
       android:hint="Hint text"       
       style="@style/Widget.MaterialComponents.TextInputLayout.FilledBox.Dense" >

Otherwise you can define (it requires the version 1.1.0) a custom style using:

  <style name="MyDense" parent="Widget.MaterialComponents.TextInputLayout.FilledBox.Dense">
    <item name="materialThemeOverlay">@style/MyThemeOverlayFilledDense</item>
  </style>

  <style name="MyThemeOverlayFilledDense">
    <item name="editTextStyle">@style/MyTextInputEditText_filledBox_dense</item>
  </style>

  <style name="MyTextInputEditText_filledBox_dense" parent="@style/Widget.MaterialComponents.TextInputEditText.FilledBox.Dense">
    <item name="android:paddingTop">24dp</item>
    <item name="android:paddingBottom">4dp</item>
  </style>

Here the results (with a default style and the custom style):

来源：https://stackoverflow.com/questions/57739713/how-do-i-reduce-the-padding-between-the-text-hint-and-text-line