scrollview不适用于android中的按钮
您好，在下面的xml布局中，我设计了一个带有scollview的表单。当我滚动时，按钮不可见 我想在浏览表单时也显示按钮。Scrollview不申请完整表单以及按钮save和cancel。但不显示save和cancel按钮 谁能帮我一下我哪里做错了 xml:scrollview不适用于android中的按钮,android,scrollview,Android,Scrollview,您好，在下面的xml布局中，我设计了一个带有scollview的表单。当我滚动时，按钮不可见 我想在浏览表单时也显示按钮。Scrollview不申请完整表单以及按钮save和cancel。但不显示save和cancel按钮 谁能帮我一下我哪里做错了 xml: 像这样试试 <RelativeLayout> <ScrollView> <LinearLayout> .......
<RelativeLayout>
<ScrollView>
<LinearLayout>
.......
</LinearLayout>
</ScrollView>
</RelativeLayout>
.......
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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/back_blue">
<ScrollView
android:id="@+id/below"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="@+id/btnLayout"
android:layout_below="@+id/header">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="fill_horizontal"
android:layout_marginLeft="16dp"
android:layout_marginRight="16dp"
android:orientation="vertical">
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/account_name"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/account_name"
android:inputType="textEmailAddress"
android:textColorHint="#0072BA"
android:textSize="15sp"
app:hintTextAppearance="@style/TextAppearence.App.TextInputLayout" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp">
<fr.ganfra.materialspinner.MaterialSpinner
android:id="@+id/ownership_type"
android_id="@+id/ownership_type"
android_layout_height="wrap_content"
android_layout_width="match_parent"
app_ms_arrowColor="#0000FF"
app_ms_arrowSize="16dp"
app_ms_floatingLabelColor="#00FF00"
app_ms_floatingLabelText="floating label"
app_ms_hint="hint"
app_ms_hintColor="#00FF00"
app_ms_multiline="true"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:ms_arrowColor="@color/black"
app:ms_hintColor="@color/black" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp">
<fr.ganfra.materialspinner.MaterialSpinner
android:id="@+id/facility_type"
android_id="@+id/facility_type"
android_layout_height="wrap_content"
android_layout_width="match_parent"
app_ms_arrowColor="#0000FF"
app_ms_arrowSize="16dp"
app_ms_hint="hint"
app_ms_hintColor="#00FF00"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:ms_arrowColor="@color/black"
app:ms_hintColor="@color/black" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
app:passwordToggleTint="@color/colorAccent">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/email"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/email"
android:inputType="number" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp">
<fr.ganfra.materialspinner.MaterialSpinner
android:id="@+id/account_manger"
android_id="@+id/account_manger"
android_layout_height="wrap_content"
android_layout_width="match_parent"
app_ms_arrowColor="#0000FF"
app_ms_arrowSize="16dp"
app_ms_hint="hint"
app_ms_hintColor="#00FF00"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:ms_arrowColor="@color/black"
app:ms_hintColor="@color/black" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
app:passwordToggleTint="@color/colorAccent">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/editMobilephone"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/custom_mobile"
android:inputType="number" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
app:passwordToggleEnabled="true"
app:passwordToggleTint="@color/colorAccent">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/bill_add"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/bill_address"
android:inputType="text"
android:lines="5"
android:maxLines="5" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
app:passwordToggleEnabled="true"
app:passwordToggleTint="@color/colorAccent">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/bill_city"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/bill_city"
android:inputType="text" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
app:passwordToggleEnabled="true"
app:passwordToggleTint="@color/colorAccent">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/bill_dist"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/bill_district"
android:inputType="text" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp">
<fr.ganfra.materialspinner.MaterialSpinner
android:id="@+id/state"
android_id="@+id/state"
android_layout_height="wrap_content"
android_layout_width="match_parent"
app_ms_arrowColor="#0000FF"
app_ms_arrowSize="16dp"
app_ms_floatingLabelColor="#00FF00"
app_ms_floatingLabelText="floating label"
app_ms_hint="hint"
app_ms_hintColor="#00FF00"
app_ms_multiline="true"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:ms_arrowColor="@color/black"
app:ms_hintColor="@color/black" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
app:passwordToggleEnabled="true"
app:passwordToggleTint="@color/colorAccent">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/bill_country"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/bill_country"
android:inputType="text" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
android:layout_marginTop="8dp"
app:passwordToggleEnabled="true"
app:passwordToggleTint="@color/colorAccent">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/bill_pin"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/bill_pin"
android:inputType="text" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
android:layout_marginTop="8dp"
app:passwordToggleEnabled="true"
app:passwordToggleTint="@color/colorAccent">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/website"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/bill_pin"
android:inputType="text" />
</com.google.android.material.textfield.TextInputLayout>
</LinearLayout>
</LinearLayout>
</ScrollView>
<LinearLayout
android:id="@+id/btnLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:background="@color/colorPrimary"
android:orientation="horizontal"
android:weightSum="2">
<androidx.appcompat.widget.AppCompatButton
android:id="@+id/save"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_weight="1"
android:background="@color/colorPrimary"
android:gravity="center"
android:text="@string/save"
android:textColor="@android:color/white"
android:textSize="16sp" />
<View
android:layout_width="1dp"
android:layout_height="fill_parent"
android:background="@color/White" />
<androidx.appcompat.widget.AppCompatButton
android:id="@+id/cancel"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_alignParentBottom="true"
android:layout_gravity="center"
android:layout_weight="1"
android:background="@color/colorPrimary"
android:gravity="center"
android:text="@string/cancel"
android:textColor="@android:color/white"
android:textSize="16sp" />
</LinearLayout>
</RelativeLayout>
如果您绘制所需的布局表单，将更容易理解。您需要在ScrollView外部创建按钮。为什么有这么多额外的布局？您的父相对布局和滚动视图中的第一个线性布局是完全无用的。同时发布布局外观的屏幕截图请改进问题的结构并注意编写规则。不想在按钮固定在底部的情况下滚动？固定在底部。仍然不会显示按钮
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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/back_blue">
<ScrollView
android:id="@+id/below"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="@+id/btnLayout"
android:layout_below="@+id/header">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="fill_horizontal"
android:layout_marginLeft="16dp"
android:layout_marginRight="16dp"
android:orientation="vertical">
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/account_name"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/account_name"
android:inputType="textEmailAddress"
android:textColorHint="#0072BA"
android:textSize="15sp"
app:hintTextAppearance="@style/TextAppearence.App.TextInputLayout" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp">
<fr.ganfra.materialspinner.MaterialSpinner
android:id="@+id/ownership_type"
android_id="@+id/ownership_type"
android_layout_height="wrap_content"
android_layout_width="match_parent"
app_ms_arrowColor="#0000FF"
app_ms_arrowSize="16dp"
app_ms_floatingLabelColor="#00FF00"
app_ms_floatingLabelText="floating label"
app_ms_hint="hint"
app_ms_hintColor="#00FF00"
app_ms_multiline="true"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:ms_arrowColor="@color/black"
app:ms_hintColor="@color/black" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp">
<fr.ganfra.materialspinner.MaterialSpinner
android:id="@+id/facility_type"
android_id="@+id/facility_type"
android_layout_height="wrap_content"
android_layout_width="match_parent"
app_ms_arrowColor="#0000FF"
app_ms_arrowSize="16dp"
app_ms_hint="hint"
app_ms_hintColor="#00FF00"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:ms_arrowColor="@color/black"
app:ms_hintColor="@color/black" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
app:passwordToggleTint="@color/colorAccent">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/email"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/email"
android:inputType="number" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp">
<fr.ganfra.materialspinner.MaterialSpinner
android:id="@+id/account_manger"
android_id="@+id/account_manger"
android_layout_height="wrap_content"
android_layout_width="match_parent"
app_ms_arrowColor="#0000FF"
app_ms_arrowSize="16dp"
app_ms_hint="hint"
app_ms_hintColor="#00FF00"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:ms_arrowColor="@color/black"
app:ms_hintColor="@color/black" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
app:passwordToggleTint="@color/colorAccent">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/editMobilephone"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/custom_mobile"
android:inputType="number" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
app:passwordToggleEnabled="true"
app:passwordToggleTint="@color/colorAccent">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/bill_add"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/bill_address"
android:inputType="text"
android:lines="5"
android:maxLines="5" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
app:passwordToggleEnabled="true"
app:passwordToggleTint="@color/colorAccent">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/bill_city"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/bill_city"
android:inputType="text" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
app:passwordToggleEnabled="true"
app:passwordToggleTint="@color/colorAccent">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/bill_dist"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/bill_district"
android:inputType="text" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp">
<fr.ganfra.materialspinner.MaterialSpinner
android:id="@+id/state"
android_id="@+id/state"
android_layout_height="wrap_content"
android_layout_width="match_parent"
app_ms_arrowColor="#0000FF"
app_ms_arrowSize="16dp"
app_ms_floatingLabelColor="#00FF00"
app_ms_floatingLabelText="floating label"
app_ms_hint="hint"
app_ms_hintColor="#00FF00"
app_ms_multiline="true"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:ms_arrowColor="@color/black"
app:ms_hintColor="@color/black" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
app:passwordToggleEnabled="true"
app:passwordToggleTint="@color/colorAccent">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/bill_country"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/bill_country"
android:inputType="text" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
android:layout_marginTop="8dp"
app:passwordToggleEnabled="true"
app:passwordToggleTint="@color/colorAccent">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/bill_pin"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/bill_pin"
android:inputType="text" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
android:layout_marginTop="8dp"
app:passwordToggleEnabled="true"
app:passwordToggleTint="@color/colorAccent">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/website"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/bill_pin"
android:inputType="text" />
</com.google.android.material.textfield.TextInputLayout>
</LinearLayout>
</LinearLayout>
</ScrollView>
<LinearLayout
android:id="@+id/btnLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:background="@color/colorPrimary"
android:orientation="horizontal"
android:weightSum="2">
<androidx.appcompat.widget.AppCompatButton
android:id="@+id/save"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_weight="1"
android:background="@color/colorPrimary"
android:gravity="center"
android:text="@string/save"
android:textColor="@android:color/white"
android:textSize="16sp" />
<View
android:layout_width="1dp"
android:layout_height="fill_parent"
android:background="@color/White" />
<androidx.appcompat.widget.AppCompatButton
android:id="@+id/cancel"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_alignParentBottom="true"
android:layout_gravity="center"
android:layout_weight="1"
android:background="@color/colorPrimary"
android:gravity="center"
android:text="@string/cancel"
android:textColor="@android:color/white"
android:textSize="16sp" />
</LinearLayout>
</RelativeLayout>