如何使Android EditText在满时垂直扩展

How to make Android EditText expand vertically when full(如何使Android EditText在满时垂直扩展)

问题描述

我有这个 EditText

I have this EditText

<EditText
    android:layout_width="match_parent"
    android:layout_height="72dp"
    android:hint="@string/write_message"
    android:textColorHint="@color/primary_color"
    android:ems="10"
    android:imeOptions="actionDone"
    android:inputType="textImeMultiLine"
    android:id="@+id/message_input"
    android:layout_gravity="center_horizontal"
    android:backgroundTint="@color/primary_color"/>

当框被用户输入的文本填满时，它会向右滚动以为更多文本腾出空间，我不喜欢这种行为，如果 EditText 框在需要更多空间时向上扩展，我更喜欢它?有没有办法做到这一点?谢谢.

When the box is filled up with user inputted text, it scrolls to the right to make room for more text, I do not like this behavior, and would prefer it if the EditText box expanded upwards when it needs more room? Is there a way to do this? Thanks.

推荐答案

是的，这实际上涉及到两件事:

Yes, this actually involves two things:

1. 使 EditText 接受多行输入.
2. 随着更多文本行的添加，其高度会增加.

因此，要实现这一点，您需要设置:

Therefore, to achieve this, you need to set up:

android:inputType="textMultiLine"
android:layout_height="wrap_content"

(请注意 textMultiLine 和 textImeMultiLine).

(Be mindful of the difference between textMultiLine and textImeMultiLine).

完整的 XML 片段是:

The full XML snippet would be:

<EditText
    android:layout_width="match_parent"
    android:inputType="textMultiLine"
    android:layout_height="wrap_content"
    android:hint="@string/write_message"
    android:textColorHint="@color/primary_color"
    android:ems="10"
    android:imeOptions="actionDone"
    android:id="@+id/message_input"
    android:layout_gravity="center_horizontal"
    android:backgroundTint="@color/primary_color"/>    

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