Question

首先：屏幕底部黑条的官方名称是什么？

第二：

我有两个布局合并在一起的问题是我的第二个布局的一部分将隐藏在这个栏后面有这个背后的红色条但是隐藏这个问题是在那些设备有这个吧

<?xml version="1.0" encoding="utf-8"?>

<android.support.design.widget.AppBarLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:theme="@style/AppTheme.AppBarOverlay">

    <android.support.v7.widget.Toolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        android:background="?attr/colorPrimary"
        app:popupTheme="@style/AppTheme.PopupOverlay" />

</android.support.design.widget.AppBarLayout>

<include layout="@layout/content_opina" />

<android.support.design.widget.FloatingActionButton
    android:id="@+id/fab"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_gravity="bottom|end"
    android:layout_marginRight="16dp"
    android:layout_marginBottom="52dp"

    android:src="@drawable/ic_add_24dp" />

<?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:paddingTop="5dp"
    app:layout_behavior="@string/appbar_scrolling_view_behavior"
    tools:context="opina.android.ri4n.sir.opina.Opina"
    tools:showIn="@layout/activity_opina">

    <LinearLayout
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <LinearLayout
            android:orientation="horizontal"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="1">

            <LinearLayout
                android:orientation="vertical"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:background="@drawable/shadow"
                android:layout_margin="5dp">


                <LinearLayout
                    android:orientation="vertical"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:background="#ffffff"
                    android:padding="5dp">

                    <LinearLayout
                        android:orientation="horizontal"
                        android:layout_width="match_parent"
                        android:layout_height="60dp">

                        <ImageView
                            android:layout_width="40dp"
                            android:layout_height="40dp"
                            android:id="@+id/avator"
                            android:layout_margin="10dp" />

                        <LinearLayout
                            android:orientation="vertical"
                            android:layout_width="0dp"
                            android:layout_height="match_parent"
                            android:layout_weight="0.8">

                            <LinearLayout
                                android:orientation="horizontal"
                                android:layout_width="match_parent"
                                android:layout_height="20dp"
                                android:hapticFeedbackEnabled="false"
                                android:layout_marginTop="10dp">

                                <TextView
                                    android:layout_width="match_parent"
                                    android:layout_height="match_parent"
                                    android:textAppearance="?android:attr/textAppearanceSmall"
                                    android:text="Username ..."
                                    android:id="@+id/username"
                                    android:textColor="#000000"
                                    android:gravity="center_vertical" />
                            </LinearLayout>

                            <LinearLayout
                                android:orientation="horizontal"
                                android:layout_width="match_parent"
                                android:layout_height="15dp"
                             >

                                <TextView
                                    android:layout_width="match_parent"
                                    android:layout_height="match_parent"
                                    android:textAppearance="?android:attr/textAppearanceSmall"
                                            android:text="Question ... "
                                    android:id="@+id/question"
                                    android:textColor="#757575"
                                    android:gravity="center_vertical" />
                            </LinearLayout>
                        </LinearLayout>

                        <LinearLayout
                            android:orientation="vertical"
                            android:layout_width="0dp"
                            android:layout_height="match_parent"
                            android:layout_weight="0.2">

                            <TextView
                                android:layout_width="match_parent"
                                android:layout_height="match_parent"
                                android:textAppearance="?android:attr/textAppearanceSmall"
                                android:text="2W"
                                android:id="@+id/textView"
                                android:gravity="center" />
                        </LinearLayout>
                    </LinearLayout>

                    <LinearLayout
                        android:orientation="horizontal"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:paddingTop="10dp"
                        android:paddingBottom="10dp"
                        android:paddingRight="5dp"
                        android:paddingLeft="5dp">

                        <TextView
                            android:layout_width="match_parent"
                            android:layout_height="match_parent"
                            android:textColor="#000000"
                            android:textAppearance="?android:attr/textAppearanceSmall"
                            android:text="There is no such attribute in Android, to show a shadow. But possible ways to do it ... Have a 9-patch image with a shadow and set it as the background to your"
                            android:id="@+id/textView2" />
                    </LinearLayout>

                    <LinearLayout
                        android:orientation="horizontal"
                        android:layout_width="match_parent"
                        android:layout_height="40dp">

                        <LinearLayout
                            android:orientation="horizontal"
                            android:layout_width="70dp"
                            android:layout_height="match_parent">

                            <ImageView
                                android:layout_width="20dp"
                                android:layout_height="20dp"
                                android:id="@+id/imageView"
                                android:src="@drawable/ic_favorite_24dp"
                                android:layout_marginRight="5dp"
                                android:layout_marginTop="10dp"
                                android:layout_marginBottom="10dp"
                                android:layout_marginLeft="5dp" />

                            <TextView
                                android:layout_width="fill_parent"
                                android:layout_height="match_parent"
                                android:textAppearance="?android:attr/textAppearanceSmall"
                                android:text="124"
                                android:textSize="12dp"
                                android:id="@+id/textView3"
                                android:gravity="left|center_vertical" />
                        </LinearLayout>

                        <LinearLayout
                            android:orientation="horizontal"
                            android:layout_width="70dp"
                            android:layout_height="match_parent">

                            <ImageView
                                android:layout_width="20dp"
                                android:layout_height="20dp"
                                android:id="@+id/imageView2"
                                android:src="@drawable/gesture"
                                android:layout_marginRight="5dp"
                                android:layout_marginTop="10dp"
                                android:layout_marginBottom="10dp"
                                android:layout_marginLeft="5dp" />

                            <TextView
                                android:layout_width="fill_parent"
                                android:layout_height="match_parent"
                                android:textAppearance="?android:attr/textAppearanceSmall"
                                android:text="124"
    android:textSize="12dp"
                                android:id="@+id/textView4"
                                android:gravity="left|center_vertical" />
                        </LinearLayout>

                        <LinearLayout
                            android:orientation="horizontal"
                            android:layout_width="70dp"
                            android:layout_height="match_parent">

                            <ImageView
                                android:layout_width="20dp"
                                android:layout_height="20dp"
                                android:id="@+id/imageView3"
                                android:src="@drawable/ic_comment_24dp"
                                android:layout_marginRight="5dp"
                                android:layout_marginTop="10dp"
                                android:layout_marginBottom="10dp"
                                android:layout_marginLeft="5dp" />

                            <TextView
                                android:layout_width="fill_parent"
                                android:layout_height="match_parent"
                                android:textAppearance="?android:attr/textAppearanceSmall"
                                android:text="124"
                                android:textSize="12dp"
                                android:id="@+id/textView5"
                                android:gravity="left|center_vertical" />
                        </LinearLayout>

                        <LinearLayout
                            android:orientation="horizontal"
                            android:layout_width="70dp"
                            android:layout_height="match_parent">

                            <ImageView
                                android:layout_width="20dp"
                                android:layout_height="20dp"
                                android:id="@+id/imageView4"
                                android:src="@drawable/ic_visibility_24dp"
                                android:layout_marginRight="5dp"
                                android:layout_marginTop="10dp"
                                android:layout_marginBottom="10dp"
                                android:layout_marginLeft="5dp" />

                            <TextView
                                android:layout_width="fill_parent"
                                android:layout_height="match_parent"
                                android:textAppearance="?android:attr/textAppearanceSmall"
                                android:text="124"
                                android:textSize="12dp"
                                android:id="@+id/textView6"
                                android:gravity="left|center_vertical" />
                        </LinearLayout>
                    </LinearLayout>
                </LinearLayout>
            </LinearLayout>

        </LinearLayout>

        <LinearLayout
            android:orientation="horizontal"
            android:layout_width="match_parent"
            android:layout_height="4dp"
            android:background="@drawable/bshadow"></LinearLayout>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="45dp"

            android:orientation="horizontal"
            android:background="#d2d2d2">

            <LinearLayout
                android:orientation="horizontal"
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="0.25"
                android:gravity="center">

                <ImageView
                    android:layout_width="25dp"
                    android:layout_height="25dp"
                    android:id="@+id/imageView10"
                    android:layout_gravity="center"
                    android:src="@drawable/ic_home_24dp" />
            </LinearLayout>

            <LinearLayout
                android:orientation="horizontal"
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="0.25"
                android:gravity="center">

                <ImageView
                    android:layout_width="25dp"
                    android:layout_height="25dp"
                    android:id="@+id/imageView11"
                    android:layout_gravity="center"
                    android:src="@drawable/ic_dns_24dp" />
            </LinearLayout>

            <LinearLayout
                android:orientation="horizontal"
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="0.25"
                android:gravity="center">

                <ImageView
                    android:layout_width="25dp"
                    android:layout_height="25dp"
                    android:id="@+id/imageView12"
                    android:layout_gravity="center"
                    android:src="@drawable/ic_notifications_24dp" />
            </LinearLayout>

            <LinearLayout
                android:orientation="horizontal"
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="0.25"
                android:gravity="center">

                <ImageView
                    android:layout_width="25dp"
                    android:layout_height="25dp"
                    android:id="@+id/imageView13"
                    android:layout_gravity="center"
                    android:src="@drawable/ic_people_24dp" />
            </LinearLayout>
        </LinearLayout>
    </LinearLayout>

</RelativeLayout>

Answer 1

Android导航按钮。您还可以更改其颜色或隐藏/显示它们

Answer 2

此栏的名称为“导航栏”

这部分Android屏幕的名称是什么？

2 个答案: