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Android Studio 2.3不显示布局设计_Android_User Interface_Android Studio_Graphical Layout Editor_Android Studio 2.3 - Fatal编程技术网

Android Studio 2.3不显示布局设计

Android Studio 2.3不显示布局设计,android,user-interface,android-studio,graphical-layout-editor,android-studio-2.3,Android,User Interface,Android Studio,Graphical Layout Editor,Android Studio 2.3,我刚刚升级到Android Studio 2.3,但当我尝试显示此布局时: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" xmlns:app="http://schemas.android.co

我刚刚升级到Android Studio 2.3,但当我尝试显示此布局时:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <android.support.v7.widget.CardView
        android:id="@+id/card_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_gravity="center"
        android:layout_margin="@dimen/card_margin"
        android:elevation="3dp"
        app:cardBackgroundColor="@color/transparent"
        android:background="@color/transparent"

        app:cardCornerRadius="@dimen/card_album_radius">

        <RelativeLayout
            android:id="@+id/main_layout"
            android:layout_width="match_parent"
            android:layout_height="match_parent">

            <ImageView
                android:id="@+id/thumbnail"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_centerInParent="true"
                android:clickable="true"
                android:scaleType="fitCenter" />


            <ImageView
                android:id="@+id/alarm"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:src="@mipmap/toolbar_alarm"
                android:alpha="0.35"
                android:layout_alignParentStart="true"
                android:layout_alignParentBottom="true"
                android:paddingBottom="@dimen/songs_count_padding_bottom"
                android:paddingLeft="@dimen/album_title_padding"
                />

            <TextView
                android:id="@+id/date"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:paddingBottom="@dimen/songs_count_padding_bottom"
                android:paddingLeft="@dimen/album_title_padding"
                android:paddingRight="@dimen/album_title_padding"
                android:layout_toRightOf="@id/alarm"
                android:layout_alignParentBottom="true"
                android:textSize="@dimen/songs_count"
                tools:text="Sample Title" />

            <TextView
                android:id="@+id/title"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:padding="16sp"
                android:layout_alignParentStart="true"
                android:layout_alignParentTop="true"
                android:textColor="@color/album_title"
                android:textSize="@dimen/note_card_title"
                android:textStyle="normal"

                />


            <ImageView
                android:id="@+id/overflow"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignParentEnd="true"
                android:layout_alignParentBottom="true"
                android:scaleType="centerCrop"
                android:src="@drawable/ic_dots" />

        </RelativeLayout>

    </android.support.v7.widget.CardView>

</LinearLayout>

单击
修复生成路径
或其他链接无效。

这解决了我的问题:

将样式父项更改为
Theme.AppCompat.Light.NoActionBar
,而不是styles.xml中的
Theme.AppCompat.Light.darkaActionBar
。。。。。。。。。这对我有用


尝试检查您的依赖关系。升级到Android Studio 2.3后,我的gradle崩溃了


build.gradle文件中是否存在所有必需的支持库(v7)?好像找不到。
The following classes could not be found:
- android.support.v7.app.WindowDecorActionBar (Fix Build Path, Edit XML, Create Class)
- android.support.v7.widget.ActionBarContainer (Fix Build Path, Edit XML, Create Class)
- android.support.v7.widget.ActionBarContextView (Fix Build Path, Edit XML, Create Class)
- android.support.v7.widget.ActionBarOverlayLayout (Fix Build Path, Edit XML, Create Class)
- android.support.v7.widget.ContentFrameLayout (Fix Build Path, Edit XML, Create Class)