我有一个具有主布局的应用程序，其中我有几个LinearLayout，都在RelativeLayout中，并且我在LineareLayout上使用了Elevation，而且RelativeLayout似乎没有占据整个屏幕。
我已经尝试了所有可用的布局类型，但是结果总是一样的，我需要帮助。
代码只是我的结构的一个示例。
this is the result of my relative layout
<?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:id="@+id/LayoutPrincipal"
android:layout_width="match_parent"
android:layout_height="match_parent">
<include
android:id="@+id/tolbarInitManut"
layout="@layout/custom_toolbar"
tools:layout_editor_absoluteX="0dp"
tools:layout_editor_absoluteY="136dp" />
<ScrollView
android:id="@+id/scrollViewInitManut"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="@+id/tolbarInitManut">
<android.support.constraint.ConstraintLayout
android:id="@+id/initManutencao"
android:layout_width="match_parent"
android:layout_height="wrap_content"
tools:context=".initManutencao">
<TextView
android:id="@+id/txt_Cliente"
android:layout_width="155dp"
android:layout_height="27dp"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:fontFamily="@font/calibri"
android:gravity="left|start"
android:text="@string/cliente"
app:autoSizeMaxTextSize="100sp"
app:autoSizeMinTextSize="12sp"
app:autoSizeStepGranularity="2sp"
app:autoSizeTextType="uniform"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/Manutencao"
tools:ignore="RtlHardcoded" />
<TextView
android:id="@+id/Manutencao"
android:layout_width="0dp"
android:layout_height="26dp"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="16dp"
android:fontFamily="@font/calibri"
android:orientation="horizontal"
android:text="@string/txt_manutencao"
android:textAlignment="textEnd"
app:autoSizeMaxTextSize="100sp"
app:autoSizeMinTextSize="12sp"
app:autoSizeStepGranularity="2sp"
app:autoSizeTextType="uniform"
app:layout_constraintEnd_toStartOf="@+id/Nmanutencao"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="@+id/Nmanutencao"
android:layout_width="36dp"
android:layout_height="0dp"
android:layout_marginEnd="16dp"
android:fontFamily="@font/calibri"
android:text="@string/_10"
android:textAlignment="center"
android:textStyle="bold"
app:autoSizeMaxTextSize="100sp"
app:autoSizeMinTextSize="12sp"
app:autoSizeStepGranularity="2sp"
app:autoSizeTextType="uniform"
app:layout_constraintBottom_toBottomOf="@+id/Manutencao"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toEndOf="@+id/Manutencao"
app:layout_constraintTop_toTopOf="@+id/Manutencao" />
<LinearLayout
android:id="@+id/passo1"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="16dp"
android:background="@drawable/background_shape"
android:elevation="1.5dp"
android:orientation="vertical"
android:paddingTop="16dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.4"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/txt_Cliente">
<TextView
android:id="@+id/PreTratamento"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginStart="16dp"
android:layout_marginEnd="16dp"
android:fontFamily="@font/calibri"
android:gravity="center"
android:padding="0dp"
android:text="@string/PreTratamento"
android:textSize="30sp"
android:textStyle="bold"
app:layout_constraintBottom_toTopOf="@+id/back_header_alert" />
<View
android:id="@+id/view1"
android:layout_width="match_parent"
android:layout_height="1dp"
android:layout_marginStart="16dp"
android:layout_marginEnd="16dp"
android:layout_marginBottom="8dp"
android:background="@android:color/darker_gray" />
<LinearLayout
android:id="@+id/passo1_1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:paddingBottom="16dp">
<TextView
android:id="@+id/CaixaDeGordura"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginEnd="16dp"
android:fontFamily="@font/calibri"
android:text="@string/caixa_de_gordura"
android:textSize="30sp" />
<LinearLayout
android:id="@+id/passo1_1_1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginEnd="16dp"
android:layout_marginBottom="8dp"
android:orientation="vertical">
<Spinner
android:id="@+id/spn_ex_cx_gordura"
android:layout_width="match_parent"
android:layout_height="40dp"
android:background="@drawable/spinner_border"
android:popupBackground="@drawable/background_shape"
android:spinnerMode="dropdown" />
</LinearLayout>
<LinearLayout
android:id="@+id/passo1_1_2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginEnd="16dp"
android:orientation="vertical"
android:visibility="gone">
<Spinner
android:id="@+id/spn_projeto_sub"
android:layout_width="match_parent"
android:layout_height="40dp"
android:layout_marginBottom="8dp"
android:background="@drawable/spinner_border"
android:popupBackground="@drawable/background_shape" />
<EditText
android:id="@+id/txt_obs_cx_gordura"
android:layout_width="match_parent"
android:layout_height="40dp"
android:layout_marginBottom="8dp"
android:autofillHints=""
android:ems="10"
android:fontFamily="@font/calibri"
android:hint="@string/txt_obs_cx_gordura"
android:inputType="textPersonName"
tools:targetApi="o" />
<LinearLayout
android:id="@+id/btn_im_cx_gord"
style="?android:attr/buttonBarButtonStyle"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:background="@drawable/backgroud_button"
android:onClick="openAlertDialog"
android:orientation="horizontal"
tools:ignore="MissingConstraints">
<ImageView
style="?android:attr/buttonBarButtonStyle"
android:layout_width="34dp"
android:layout_height="29dp"
android:background="#0000"
android:clickable="false"
android:src="@drawable/ic_photo_camera_black_24dp" />
<TextView
style="?android:attr/buttonBarButtonStyle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#0000"
android:clickable="false"
android:text="@string/camera"
android:textColor="@color/WhiteColor" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
<LinearLayout
android:id="@+id/passo1_2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:paddingBottom="16dp">
<TextView
android:id="@+id/gradeamento"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginEnd="16dp"
android:fontFamily="@font/calibri"
android:text="@string/gradeamento"
android:textSize="30sp" />
<LinearLayout
android:id="@+id/passo1_2_1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginEnd="16dp"
android:layout_marginBottom="8dp"
android:orientation="vertical">
<Spinner
android:id="@+id/spn_ex_grad"
android:layout_width="match_parent"
android:layout_height="40dp"
android:background="@drawable/spinner_border"
android:fontFamily="@font/calibri" />
</LinearLayout>
<LinearLayout
android:id="@+id/passo1_2_2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginEnd="16dp"
android:orientation="vertical"
android:visibility="gone">
<Spinner
android:id="@+id/spn_mod_grad"
android:layout_width="match_parent"
android:layout_height="40dp"
android:layout_marginBottom="8dp"
android:background="@drawable/spinner_border"
android:fontFamily="@font/calibri" />
<Spinner
android:id="@+id/spn_st_grad"
android:layout_width="match_parent"
android:layout_height="40dp"
android:layout_marginBottom="8dp"
android:background="@drawable/spinner_border"
android:fontFamily="@font/calibri" />
<Spinner
android:id="@+id/spn_pres_gordura_grad"
android:layout_width="match_parent"
android:layout_height="40dp"
android:layout_marginBottom="8dp"
android:background="@drawable/spinner_border"
android:fontFamily="@font/calibri" />
<Spinner
android:id="@+id/spn_res_pros_prod_grad"
android:layout_width="match_parent"
android:layout_height="40dp"
android:layout_marginBottom="8dp"
android:background="@drawable/spinner_border"
android:fontFamily="@font/calibri" />
<EditText
android:id="@+id/txt_obs_cx_grad"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:autofillHints=""
android:ems="10"
android:fontFamily="@font/calibri"
android:hint="@string/txt_obs_cx_gordura"
android:inputType="textPersonName"
tools:targetApi="o" />
<LinearLayout
android:id="@+id/btn_im_grad"
style="?android:attr/buttonBarButtonStyle"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:background="@drawable/backgroud_button"
android:onClick="openAlertDialog"
android:orientation="horizontal"
tools:ignore="MissingConstraints">
<ImageView
style="?android:attr/buttonBarButtonStyle"
android:layout_width="34dp"
android:layout_height="29dp"
android:background="#0000"
android:clickable="false"
android:src="@drawable/ic_photo_camera_black_24dp" />
<TextView
style="?android:attr/buttonBarButtonStyle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#0000"
android:clickable="false"
android:text="@string/camera"
android:textColor="@color/WhiteColor" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
<LinearLayout
android:id="@+id/passo1_3"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:paddingBottom="16dp">
<TextView
android:id="@+id/cesto"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginEnd="16dp"
android:fontFamily="@font/calibri"
android:text="Cesto"
android:textSize="30sp" />
<LinearLayout
android:id="@+id/passo1_3_1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginEnd="16dp"
android:layout_marginBottom="8dp"
android:orientation="vertical">
<Spinner
android:id="@+id/spn_ex_cesto"
android:layout_width="match_parent"
android:layout_height="40dp"
android:background="@drawable/spinner_border"
android:fontFamily="@font/calibri" />
</LinearLayout>
<LinearLayout
android:id="@+id/passo1_3_2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginEnd="16dp"
android:orientation="vertical"
android:visibility="gone">
<Spinner
android:id="@+id/spn_mod_cesto"
android:layout_width="match_parent"
android:layout_height="40dp"
android:layout_marginBottom="8dp"
android:background="@drawable/spinner_border"
android:fontFamily="@font/calibri" />
<Spinner
android:id="@+id/spn_st_cest"
android:layout_width="match_parent"
android:layout_height="40dp"
android:layout_marginBottom="8dp"
android:background="@drawable/spinner_border"
android:fontFamily="@font/calibri" />
<Spinner
android:id="@+id/spn_pres_gordura_cest"
android:layout_width="match_parent"
android:layout_height="40dp"
android:layout_marginBottom="8dp"
android:background="@drawable/spinner_border"
android:fontFamily="@font/calibri" />
<Spinner
android:id="@+id/spn_res_pros_prod_cest"
android:layout_width="match_parent"
android:layout_height="40dp"
android:layout_marginBottom="8dp"
android:background="@drawable/spinner_border"
android:fontFamily="@font/calibri" />
<EditText
android:id="@+id/txt_obs_cx_cest"
android:layout_width="match_parent"
android:layout_height="40dp"
android:layout_marginBottom="8dp"
android:autofillHints=""
android:ems="10"
android:fontFamily="@font/calibri"
android:hint="@string/txt_obs_cx_cesto"
android:inputType="textPersonName" />
<LinearLayout
android:id="@+id/btn_im_cest"
style="?android:attr/buttonBarButtonStyle"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:background="@drawable/backgroud_button"
android:onClick="openAlertDialog"
android:orientation="horizontal"
tools:ignore="MissingConstraints">
<ImageView
style="?android:attr/buttonBarButtonStyle"
android:layout_width="34dp"
android:layout_height="29dp"
android:background="#0000"
android:clickable="false"
android:src="@drawable/ic_photo_camera_black_24dp" />
<TextView
style="?android:attr/buttonBarButtonStyle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#0000"
android:clickable="false"
android:text="@string/camera"
android:textColor="@color/WhiteColor" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
</LinearLayout>
</android.support.constraint.ConstraintLayout>
<TextView
android:id="@+id/txt_passo"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextView"
app:layout_constraintBottom_toBottomOf="@+id/txt_Cliente"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="@+id/txt_Cliente"
app:layout_constraintTop_toTopOf="@+id/txt_Cliente" />
</android.support.constraint.ConstraintLayout>
</ScrollView>
答案 0 :(得分：0)
在滚动视图中，您需要添加android：fillViewPort =“ true”
要使滚动视图中的内容适合整个屏幕。