[英]Android how to make scrollView auto scroll to the bottom when click on editText?
我向您展示以下布局的正常视图:
当我单击电子邮件editText时 ,弹出软键盘 ,editText被软键盘覆盖,如下图所示:
因此,我想单击editText,scrollView将自动滚动到底部,而不是被软键盘覆盖,如下图所示:
mylayout.xml代码如下:
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.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"
android:background="@color/bg_account_light_brown"
android:clickable="true">
<ScrollView
android:layout_width="match_parent"
android:layout_height="0dp"
android:id="@+id/scroll"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"
android:layout_marginBottom="0dp"
app:layout_constraintBottom_toTopOf="@+id/btn_login">
<android.support.constraint.ConstraintLayout
android:id="@+id/constraintLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintVertical_bias="1.0">
<ImageView
android:id="@+id/imageView"
android:layout_width="match_parent"
android:layout_height="400dp"
android:scaleType="fitXY"
app:srcCompat="@drawable/bg_carousel_01" />
<EditText
android:id="@+id/i_email"
android:layout_width="320dp"
android:layout_height="49dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="20dp"
android:background="@drawable/rounded_shape_input"
android:ems="10"
android:hint="Email"
android:inputType="textEmailAddress"
android:paddingLeft="20dp"
android:paddingRight="20dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.493"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/imageView" />
<TextView
android:id="@+id/textViewSignUp"
android:layout_width="284dp"
android:layout_height="wrap_content"
android:layout_marginBottom="2dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="300dp"
android:fontFamily="@font/lato_bold"
android:gravity="center"
android:text="LOGIN"
android:textColor="@color/white"
android:textSize="70sp"
android:textStyle="bold|bold"
app:layout_constraintBottom_toBottomOf="@+id/imageView"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@+id/imageView" />
<EditText
android:id="@+id/i_password"
android:layout_width="320dp"
android:layout_height="49dp"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:background="@drawable/rounded_shape_input"
android:ems="10"
android:hint="Password"
android:inputType="textPassword"
android:paddingLeft="20dp"
android:paddingRight="20dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.493"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/i_email"
app:layout_constraintVertical_bias="0.52" />
</android.support.constraint.ConstraintLayout>
</ScrollView>
<Button
android:id="@+id/btn_login"
style="?android:attr/borderlessButtonStyle"
android:layout_width="320dp"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:background="@drawable/rounded_shape2"
android:clickable="true"
android:text="Login"
android:textColor="#FFFFFF"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.973" />
</android.support.constraint.ConstraintLayout>
尝试使用此方法使ScrollView
android:fillViewport="true"
定义滚动视图是否应拉伸其内容以填充视口。
并在清单文件中的登录活动中添加android:windowSoftInputMode="adjustResize"
android:windowSoftInputMode="adjustResize"
活动的主窗口始终会调整大小,以便为屏幕上的软键盘腾出空间
<activity
android:name=".activities.LoginActivity"
android:windowSoftInputMode="adjustResize"/>
在您的Scrollview
添加:
android:fillViewport="true"
并添加Manifest
文件:
android:windowSoftInputMode="adjustResize"
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