java - ScrollView 无法在 android studio 中工作,所需的输出未出现
问题描述
以下代码的输出不是所需的输出。滚动视图中没有覆盖全屏。我正在尝试在滚动视图中使用约束布局。请帮助.......约束布局的内容正在重叠,约束布局没有覆盖全屏……
<?xml version="1.0" encoding="utf-8"?>
<ScrollView 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"
xmlns:fancy="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<com.libizo.CustomEditText
android:id="@+id/Email"
android:layout_width="285dp"
android:layout_height="69dp"
android:ems="10"
android:hint="Email"
android:inputType="textPersonName"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.873"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.111"
app:libIZO_clearIconTint="#8f1f15"
app:libIZO_setBorderColor="#8f1f15"
app:libIZO_setBorderView="true"
app:libIZO_setClearIconVisible="true"
app:libIZO_setCornerRadius="4dp"
app:libIZO_setStrokeWidth="2dp" />
<ImageView
android:id="@+id/icon_mail"
android:layout_width="75dp"
android:layout_height="66dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.047"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.115"
app:srcCompat="@drawable/ic_email"
tools:ignore="ContentDescription,UnusedAttribute,VectorDrawableCompat" />
<mehdi.sakout.fancybuttons.FancyButton
android:id="@+id/Login"
android:layout_width="204dp"
android:layout_height="75dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.497"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.417"
fancy:fb_borderColor="#FFFFFF"
fancy:fb_borderWidth="1dp"
fancy:fb_defaultColor="#7ab800"
fancy:fb_focusColor="#9bd823"
fancy:fb_iconPosition="left"
fancy:fb_radius="30dp"
fancy:fb_text="Login / Register"
fancy:fb_textColor="#FFFFFF"
fancy:fb_textSize="25dp" />
<ImageView
android:id="@+id/icon_lock"
android:layout_width="80dp"
android:layout_height="68dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.048"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.268"
app:srcCompat="@drawable/ic_lock"
tools:ignore="ContentDescription,UnusedAttribute,VectorDrawableCompat" />
<com.libizo.CustomEditText
android:id="@+id/Password"
android:layout_width="285dp"
android:layout_height="69dp"
android:ems="10"
android:hint="Password"
android:inputType="textPassword"
android:textSize="20sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.873"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.268"
app:libIZO_clearIconTint="#8f1f15"
app:libIZO_setBorderColor="#8f1f15"
app:libIZO_setBorderView="true"
app:libIZO_setClearIconVisible="true"
app:libIZO_setCornerRadius="4dp"
app:libIZO_setStrokeWidth="2dp" />
<TextView
android:id="@+id/Forgot_Password"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Forgot Password ?"
android:textSize="30dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.496"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.527" />
<ProgressBar
android:id="@+id/progressBar"
style="?android:attr/progressBarStyle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
android:visibility="gone"/>
<Button
android:id="@+id/Google"
android:layout_width="168dp"
android:layout_height="145dp"
android:background="@drawable/ic_google"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.884"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.725" />
<Button
android:id="@+id/Phone"
android:layout_width="168dp"
android:layout_height="145dp"
android:background="@drawable/ic_phone"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.148"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.725" />
<Button
android:id="@+id/Facebook"
android:layout_width="208dp"
android:layout_height="156dp"
android:background="@drawable/ic_facebook"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.541"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.991" />
</androidx.constraintlayout.widget.ConstraintLayout>
</ScrollView>
解决方案
你设置错误Constraint
查看。尝试如下。它会给你一些想法,并根据你的需要改变它。
<?xml version="1.0" encoding="utf-8"?>
<ScrollView 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"
xmlns:fancy="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent">
<androidx.constraintlayout.widget.ConstraintLayout
android:padding="20dp"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<ImageView
android:id="@+id/icon_mail"
android:layout_width="75dp"
android:layout_height="66dp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="@drawable/ic_email"
tools:ignore="ContentDescription,UnusedAttribute,VectorDrawableCompat" />
<com.libizo.CustomEditText
android:id="@+id/Email"
android:layout_width="285dp"
android:layout_height="69dp"
android:ems="10"
android:hint="Email"
android:inputType="textPersonName"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:libIZO_clearIconTint="#8f1f15"
app:libIZO_setBorderColor="#8f1f15"
app:libIZO_setBorderView="true"
app:libIZO_setClearIconVisible="true"
app:libIZO_setCornerRadius="4dp"
app:libIZO_setStrokeWidth="2dp" />
<ImageView
android:id="@+id/icon_lock"
android:layout_width="80dp"
android:layout_height="68dp"
android:layout_marginTop="20dp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/icon_mail"
app:srcCompat="@drawable/ic_lock"
tools:ignore="ContentDescription,UnusedAttribute,VectorDrawableCompat" />
<com.libizo.CustomEditText
android:id="@+id/Password"
android:layout_width="285dp"
android:layout_height="69dp"
android:ems="10"
android:hint="Password"
android:inputType="textPassword"
android:textSize="20sp"
android:layout_marginTop="20dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="@+id/Email"
app:libIZO_clearIconTint="#8f1f15"
app:libIZO_setBorderColor="#8f1f15"
app:libIZO_setBorderView="true"
app:libIZO_setClearIconVisible="true"
app:libIZO_setCornerRadius="4dp"
app:libIZO_setStrokeWidth="2dp" />
<mehdi.sakout.fancybuttons.FancyButton
android:id="@+id/Login"
android:layout_width="204dp"
android:layout_height="75dp"
android:layout_marginTop="20dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/Password"
fancy:fb_borderColor="#FFFFFF"
fancy:fb_borderWidth="1dp"
fancy:fb_defaultColor="#7ab800"
fancy:fb_focusColor="#9bd823"
fancy:fb_iconPosition="left"
fancy:fb_radius="30dp"
fancy:fb_text="Login / Register"
fancy:fb_textColor="#FFFFFF"
fancy:fb_textSize="25dp" />
<TextView
android:id="@+id/Forgot_Password"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Forgot Password ?"
android:textSize="30dp"
android:layout_marginTop="20dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/Login" />
<ProgressBar
android:id="@+id/progressBar"
style="?android:attr/progressBarStyle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
android:visibility="gone"/>
<Button
android:id="@+id/Google"
android:layout_width="168dp"
android:layout_height="145dp"
android:layout_marginTop="20dp"
android:background="@drawable/ic_google"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="@+id/Forgot_Password" />
<Button
android:id="@+id/Phone"
android:layout_width="168dp"
android:layout_height="145dp"
android:background="@drawable/ic_phone"
android:layout_marginTop="20dp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/Forgot_Password" />
<Button
android:id="@+id/Facebook"
android:layout_width="208dp"
android:layout_height="156dp"
android:background="@drawable/ic_facebook"
android:layout_marginTop="20dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/Google"/>
</androidx.constraintlayout.widget.ConstraintLayout>
</ScrollView>
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