Android Studio 3.0 的渲染问题

Question

Android Studio 3.0 的渲染问题

4

我刚刚将Android Studio升级到了3.0版本，但我无法查看XML文件的预览。它显示：

Exception raised during rendering: Could not initialize class android.graphics.Typeface

java.lang.NoClassDefFoundError: Could not initialize class android.graphics.Typeface
    at android.graphics.Paint_Delegate.reset(Paint_Delegate.java:1244)
    at android.graphics.Paint_Delegate.<init>(Paint_Delegate.java:1198)
    at android.graphics.Paint_Delegate.nInit(Paint_Delegate.java:694)
    at android.graphics.Paint.nInit(Paint.java)
    at android.graphics.Paint.<init>(Paint.java:481)
    at android.graphics.drawable.ColorDrawable.<init>(ColorDrawable.java:49)
    at com.android.layoutlib.bridge.impl.ResourceHelper.getDrawable(ResourceHelper.java:303)
    at com.android.layoutlib.bridge.impl.ResourceHelper.getDrawable(ResourceHelper.java:249)
    at com.android.layoutlib.bridge.impl.Layout.<init>(Layout.java:140)
    at com.android.layoutlib.bridge.impl.RenderSessionImpl.inflate(RenderSessionImpl.java:288)
    at com.android.layoutlib.bridge.Bridge.createSession(Bridge.java:384)
    at com.android.tools.idea.layoutlib.LayoutLibrary.createSession(LayoutLibrary.java:193)
    at com.android.tools.idea.rendering.RenderTask.createRenderSession(RenderTask.java:547)
    at com.android.tools.idea.rendering.RenderTask.lambda$inflate$3(RenderTask.java:681)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

我无法渲染它。请帮帮我 :(

- 비아프그

删除 yourDirectory/.android 文件夹。确保先关闭 Android Studio。删除后再次打开它。 - Learning Always

@JJG 我做了，但还是出现同样的错误： - 비아프그

可能是 https://stackoverflow.com/questions/46953441/android-studio-layout-preview-rendering-issue-after-update/47011783#47011783 的重复问题。 - user8855417

6个回答

2

C:\Program Files\Android\Android Studio\plugins\android\lib\layoutlib\data\fonts

请将此处的 fonts.xml 文件替换并重新启动

<?xml version="1.0" encoding="utf-8"?>
<!--
    WARNING: Parsing of this file by third-party apps is not supported. The
    file, and the font files it refers to, will be renamed and/or moved out
    from their respective location in the next Android release, and/or the
    format or syntax of the file may change significantly. You must not
    parse this file for information about system fonts. Instead, you must
    call android.text.FontManager#getSystemFonts(). For example, it can be
    called as context.getSystemService(FontManager.class).getSystemFonts().
    Note that the returned FontConfig includes data on all the defined font
    families and all the details about weight, style, etc. It also provides
    an open file descriptor to each font file. Note that callers of the API
    should ensure they close the given file descriptors once they are done
    using them.

    In this file, all fonts without names are added to the default list.
    Fonts are chosen based on a match: full BCP-47 language tag including
    script, then just language, and finally order (the first font containing
    the glyph).

    Order of appearance is also the tiebreaker for weight matching. This is
    the reason why the 900 weights of Roboto precede the 700 weights - we
    prefer the former when an 800 weight is requested. Since bold spans
    effectively add 300 to the weight, this ensures that 900 is the bold
    paired with the 500 weight, ensuring adequate contrast.
-->
<familyset version="22">
    <!-- first font is default -->
    <family name="sans-serif">
        <font weight="100" style="normal">Roboto-Thin.ttf</font>
        <font weight="100" style="italic">Roboto-ThinItalic.ttf</font>
        <font weight="300" style="normal">Roboto-Light.ttf</font>
        <font weight="300" style="italic">Roboto-LightItalic.ttf</font>
        <font weight="400" style="normal">Roboto-Regular.ttf</font>
        <font weight="400" style="italic">Roboto-Italic.ttf</font>
        <font weight="500" style="normal">Roboto-Medium.ttf</font>
        <font weight="500" style="italic">Roboto-MediumItalic.ttf</font>
        <font weight="900" style="normal">Roboto-Black.ttf</font>
        <font weight="900" style="italic">Roboto-BlackItalic.ttf</font>
        <font weight="700" style="normal">Roboto-Bold.ttf</font>
        <font weight="700" style="italic">Roboto-BoldItalic.ttf</font>
    </family>

    <!-- Note that aliases must come after the fonts they reference. -->
    <alias name="sans-serif-thin" to="sans-serif" weight="100" />
    <alias name="sans-serif-light" to="sans-serif" weight="300" />
    <alias name="sans-serif-medium" to="sans-serif" weight="500" />
    <alias name="sans-serif-black" to="sans-serif" weight="900" />
    <alias name="arial" to="sans-serif" />
    <alias name="helvetica" to="sans-serif" />
    <alias name="tahoma" to="sans-serif" />
    <alias name="verdana" to="sans-serif" />

    <family name="sans-serif-condensed">
        <font weight="300" style="normal">RobotoCondensed-Light.ttf</font>
        <font weight="300" style="italic">RobotoCondensed-LightItalic.ttf</font>
        <font weight="400" style="normal">RobotoCondensed-Regular.ttf</font>
        <font weight="400" style="italic">RobotoCondensed-Italic.ttf</font>
        <font weight="700" style="normal">RobotoCondensed-Bold.ttf</font>
        <font weight="700" style="italic">RobotoCondensed-BoldItalic.ttf</font>
    </family>
    <alias name="sans-serif-condensed-light" to="sans-serif-condensed" weight="300" />

    <family name="serif">
        <font weight="400" style="normal">NotoSerif-Regular.ttf</font>
        <font weight="700" style="normal">NotoSerif-Bold.ttf</font>
        <font weight="400" style="italic">NotoSerif-Italic.ttf</font>
        <font weight="700" style="italic">NotoSerif-BoldItalic.ttf</font>
    </family>
    <alias name="times" to="serif" />
    <alias name="times new roman" to="serif" />
    <alias name="palatino" to="serif" />
    <alias name="georgia" to="serif" />
    <alias name="baskerville" to="serif" />
    <alias name="goudy" to="serif" />
    <alias name="fantasy" to="serif" />
    <alias name="ITC Stone Serif" to="serif" />

    <family name="monospace">
        <font weight="400" style="normal">DroidSansMono.ttf</font>
    </family>
    <alias name="sans-serif-monospace" to="monospace" />
    <alias name="monaco" to="monospace" />

    <family name="serif-monospace">
        <font weight="400" style="normal">CutiveMono.ttf</font>
    </family>
    <alias name="courier" to="serif-monospace" />
    <alias name="courier new" to="serif-monospace" />

    <family name="casual">
        <font weight="400" style="normal">ComingSoon.ttf</font>
    </family>

    <family name="cursive">
        <font weight="400" style="normal">DancingScript-Regular.ttf</font>
        <font weight="700" style="normal">DancingScript-Bold.ttf</font>
    </family>

    <family name="sans-serif-smallcaps">
        <font weight="400" style="normal">CarroisGothicSC-Regular.ttf</font>
    </family>

    <!-- fallback fonts -->
    <family lang="und-Arab" variant="elegant">
        <font weight="400" style="normal">NotoNaskhArabic-Regular.ttf</font>
        <font weight="700" style="normal">NotoNaskhArabic-Bold.ttf</font>
    </family>
    <family lang="und-Arab" variant="compact">
        <font weight="400" style="normal">NotoNaskhArabicUI-Regular.ttf</font>
        <font weight="700" style="normal">NotoNaskhArabicUI-Bold.ttf</font>
    </family>
    <family lang="und-Ethi">
        <font weight="400" style="normal">NotoSansEthiopic-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansEthiopic-Bold.ttf</font>
    </family>
    <family lang="und-Hebr">
        <font weight="400" style="normal">NotoSansHebrew-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansHebrew-Bold.ttf</font>
    </family>
    <family lang="und-Thai" variant="elegant">
        <font weight="400" style="normal">NotoSansThai-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansThai-Bold.ttf</font>
    </family>
    <family lang="und-Thai" variant="compact">
        <font weight="400" style="normal">NotoSansThaiUI-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansThaiUI-Bold.ttf</font>
    </family>
    <family lang="und-Armn">
        <font weight="400" style="normal">NotoSansArmenian-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansArmenian-Bold.ttf</font>
    </family>
    <!-- TODO: add Geok -->
    <family lang="und-Geor">
        <font weight="400" style="normal">NotoSansGeorgian-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansGeorgian-Bold.ttf</font>
    </family>
    <family lang="und-Deva" variant="elegant">
        <font weight="400" style="normal">NotoSansDevanagari-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansDevanagari-Bold.ttf</font>
    </family>
    <family lang="und-Deva" variant="compact">
        <font weight="400" style="normal">NotoSansDevanagariUI-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansDevanagariUI-Bold.ttf</font>
    </family>

    <!-- All scripts of India should come after Devanagari, due to shared
         danda characters.
    -->
    <family lang="und-Gujr" variant="elegant">
        <font weight="400" style="normal">NotoSansGujarati-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansGujarati-Bold.ttf</font>
    </family>
    <family lang="und-Gujr" variant="compact">
        <font weight="400" style="normal">NotoSansGujaratiUI-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansGujaratiUI-Bold.ttf</font>
    </family>
    <family lang="und-Guru" variant="elegant">
        <font weight="400" style="normal">NotoSansGurmukhi-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansGurmukhi-Bold.ttf</font>
    </family>
    <family lang="und-Guru" variant="compact">
        <font weight="400" style="normal">NotoSansGurmukhiUI-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansGurmukhiUI-Bold.ttf</font>
    </family>
    <family lang="und-Taml" variant="elegant">
        <font weight="400" style="normal">NotoSansTamil-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansTamil-Bold.ttf</font>
    </family>
    <family lang="und-Taml" variant="compact">
        <font weight="400" style="normal">NotoSansTamilUI-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansTamilUI-Bold.ttf</font>
    </family>
    <family lang="und-Mlym" variant="elegant">
        <font weight="400" style="normal">NotoSansMalayalam-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansMalayalam-Bold.ttf</font>
    </family>
    <family lang="und-Mlym" variant="compact">
        <font weight="400" style="normal">NotoSansMalayalamUI-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansMalayalamUI-Bold.ttf</font>
    </family>
    <family lang="und-Beng" variant="elegant">
        <font weight="400" style="normal">NotoSansBengali-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansBengali-Bold.ttf</font>
    </family>
    <family lang="und-Beng" variant="compact">
        <font weight="400" style="normal">NotoSansBengaliUI-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansBengaliUI-Bold.ttf</font>
    </family>
    <family lang="und-Telu" variant="elegant">
        <font weight="400" style="normal">NotoSansTelugu-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansTelugu-Bold.ttf</font>
    </family>
    <family lang="und-Telu" variant="compact">
        <font weight="400" style="normal">NotoSansTeluguUI-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansTeluguUI-Bold.ttf</font>
    </family>
    <family lang="und-Knda" variant="elegant">
        <font weight="400" style="normal">NotoSansKannada-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansKannada-Bold.ttf</font>
    </family>
    <family lang="und-Knda" variant="compact">
        <font weight="400" style="normal">NotoSansKannadaUI-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansKannadaUI-Bold.ttf</font>
    </family>
    <family lang="und-Orya" variant="elegant">
        <font weight="400" style="normal">NotoSansOriya-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansOriya-Bold.ttf</font>
    </family>
    <family lang="und-Orya" variant="compact">
        <font weight="400" style="normal">NotoSansOriyaUI-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansOriyaUI-Bold.ttf</font>
    </family>

    <family lang="und-Sinh">
        <font weight="400" style="normal">NotoSansSinhala-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansSinhala-Bold.ttf</font>
    </family>
    <family lang="und-Khmr" variant="elegant">
        <font weight="400" style="normal">NotoSansKhmer-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansKhmer-Bold.ttf</font>
    </family>
    <family lang="und-Khmr" variant="compact">
        <font weight="400" style="normal">NotoSansKhmerUI-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansKhmerUI-Bold.ttf</font>
    </family>
    <family lang="und-Laoo" variant="elegant">
        <font weight="400" style="normal">NotoSansLao-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansLao-Bold.ttf</font>
    </family>
    <family lang="und-Laoo" variant="compact">
        <font weight="400" style="normal">NotoSansLaoUI-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansLaoUI-Bold.ttf</font>
    </family>
    <family lang="und-Mymr" variant="elegant">
        <font weight="400" style="normal">NotoSansMyanmar-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansMyanmar-Bold.ttf</font>
    </family>
    <family lang="und-Mymr" variant="compact">
        <font weight="400" style="normal">NotoSansMyanmarUI-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansMyanmarUI-Bold.ttf</font>
    </family>
    <family lang="und-Thaa">
        <font weight="400" style="normal">NotoSansThaana-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansThaana-Bold.ttf</font>
    </family>
    <family lang="und-Cham">
        <font weight="400" style="normal">NotoSansCham-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansCham-Bold.ttf</font>
    </family>
    <family lang="und-Avst">
        <font weight="400" style="normal">NotoSansAvestan-Regular.ttf</font>
    </family>
    <family lang="und-Bali">
        <font weight="400" style="normal">NotoSansBalinese-Regular.ttf</font>
    </family>
    <family lang="und-Bamu">
        <font weight="400" style="normal">NotoSansBamum-Regular.ttf</font>
    </family>
    <family lang="und-Batk">
        <font weight="400" style="normal">NotoSansBatak-Regular.ttf</font>
    </family>
    <family lang="und-Brah">
        <font weight="400" style="normal">NotoSansBrahmi-Regular.ttf</font>
    </family>
    <family lang="und-Bugi">
        <font weight="400" style="normal">NotoSansBuginese-Regular.ttf</font>
    </family>
    <family lang="und-Buhd">
        <font weight="400" style="normal">NotoSansBuhid-Regular.ttf</font>
    </family>
    <family lang="und-Cans">
        <font weight="400" style="normal">NotoSansCanadianAboriginal-Regular.ttf</font>
    </family>
    <family lang="und-Cari">
        <font weight="400" style="normal">NotoSansCarian-Regular.ttf</font>
    </family>
    <family lang="und-Cher">
        <font weight="400" style="normal">NotoSansCherokee-Regular.ttf</font>
    </family>
    <family lang="und-Copt">
        <font weight="400" style="normal">NotoSansCoptic-Regular.ttf</font>
    </family>
    <family lang="und-Xsux">
        <font weight="400" style="normal">NotoSansCuneiform-Regular.ttf</font>
    </family>
    <family lang="und-Cprt">
        <font weight="400" style="normal">NotoSansCypriot-Regular.ttf</font>
    </family>
    <family lang="und-Dsrt">
        <font weight="400" style="normal">NotoSansDeseret-Regular.ttf</font>
    </family>
    <family lang="und-Egyp">
        <font weight="400" style="normal">NotoSansEgyptianHieroglyphs-Regular.ttf</font>
    </family>
    <family lang="und-Glag">
        <font weight="400" style="normal">NotoSansGlagolitic-Regular.ttf</font>
    </family>
    <family lang="und-Goth">
        <font weight="400" style="normal">NotoSansGothic-Regular.ttf</font>
    </family>
    <family lang="und-Hano">
        <font weight="400" style="normal">NotoSansHanunoo-Regular.ttf</font>
    </family>
    <family lang="und-Armi">
        <font weight="400" style="normal">NotoSansImperialAramaic-Regular.ttf</font>
    </family>
    <family lang="und-Phli">
        <font weight="400" style="normal">NotoSansInscriptionalPahlavi-Regular.ttf</font>
    </family>
    <family lang="und-Prti">
        <font weight="400" style="normal">NotoSansInscriptionalParthian-Regular.ttf</font>
    </family>
    <family lang="und-Java">
        <font weight="400" style="normal">NotoSansJavanese-Regular.ttf</font>
    </family>
    <family lang="und-Kthi">
        <font weight="400" style="normal">NotoSansKaithi-Regular.ttf</font>
    </family>
    <family lang="und-Kali">
        <font weight="400" style="normal">NotoSansKayahLi-Regular.ttf</font>
    </family>
    <family lang="und-Khar">
        <font weight="400" style="normal">NotoSansKharoshthi-Regular.ttf</font>
    </family>
    <family lang="und-Lepc">
        <font weight="400" style="normal">NotoSansLepcha-Regular.ttf</font>
    </family>
    <family lang="und-Limb">
        <font weight="400" style="normal">NotoSansLimbu-Regular.ttf</font>
    </family>
    <family lang="und-Linb">
        <font weight="400" style="normal">NotoSansLinearB-Regular.ttf</font>
    </family>
    <family lang="und-Lisu">
        <font weight="400" style="normal">NotoSansLisu-Regular.ttf</font>
    </family>
    <family lang="und-Lyci">
        <font weight="400" style="normal">NotoSansLycian-Regular.ttf</font>
    </family>
    <family lang="und-Lydi">
        <font weight="400" style="normal">NotoSansLydian-Regular.ttf</font>
    </family>
    <family lang="und-Mand">
        <font weight="400" style="normal">NotoSansMandaic-Regular.ttf</font>
    </family>
    <family lang="und-Mtei">
        <font weight="400" style="normal">NotoSansMeeteiMayek-Regular.ttf</font>
    </family>
    <family lang="und-Talu">
        <font weight="400" style="normal">NotoSansNewTaiLue-Regular.ttf</font>
    </family>
    <family lang="und-Nkoo">
        <font weight="400" style="normal">NotoSansNKo-Regular.ttf</font>
    </family>
    <family lang="und-Ogam">
        <font weight="400" style="normal">NotoSansOgham-Regular.ttf</font>
    </family>
    <family lang="und-Olck">
        <font weight="400" style="normal">NotoSansOlChiki-Regular.ttf</font>
    </family>
    <family lang="und-Ital">
        <font weight="400" style="normal">NotoSansOldItalic-Regular.ttf</font>
    </family>
    <family lang="und-Xpeo">
        <font weight="400" style="normal">NotoSansOldPersian-Regular.ttf</font>
    </family>
    <family lang="und-Sarb">
        <font weight="400" style="normal">NotoSansOldSouthArabian-Regular.ttf</font>
    </family>
    <family lang="und-Orkh">
        <font weight="400" style="normal">NotoSansOldTurkic-Regular.ttf</font>
    </family>
    <family lang="und-Osma">
        <font weight="400" style="normal">NotoSansOsmanya-Regular.ttf</font>
    </family>
    <family lang="und-Phag">
        <font weight="400" style="normal">NotoSansPhagsPa-Regular.ttf</font>
    </family>
    <family lang="und-Phnx">
        <font weight="400" style="normal">NotoSansPhoenician-Regular.ttf</font>
    </family>
    <family lang="und-Rjng">
        <font weight="400" style="normal">NotoSansRejang-Regular.ttf</font>
    </family>
    <family lang="und-Runr">
        <font weight="400" style="normal">NotoSansRunic-Regular.ttf</font>
    </family>
    <family lang="und-Samr">
        <font weight="400" style="normal">NotoSansSamaritan-Regular.ttf</font>
    </family>
    <family lang="und-Saur">
        <font weight="400" style="normal">NotoSansSaurashtra-Regular.ttf</font>
    </family>
    <family lang="und-Shaw">
        <font weight="400" style="normal">NotoSansShavian-Regular.ttf</font>
    </family>
    <family lang="und-Sund">
        <font weight="400" style="normal">NotoSansSundanese-Regular.ttf</font>
    </family>
    <family lang="und-Sylo">
        <font weight="400" style="normal">NotoSansSylotiNagri-Regular.ttf</font>
    </family>
    <!-- Esrangela should precede Eastern and Western Syriac, since it's our default form. -->
    <family lang="und-Syre">
        <font weight="400" style="normal">NotoSansSyriacEstrangela-Regular.ttf</font>
    </family>
    <family lang="und-Syrn">
        <font weight="400" style="normal">NotoSansSyriacEastern-Regular.ttf</font>
    </family>
    <family lang="und-Syrj">
        <font weight="400" style="normal">NotoSansSyriacWestern-Regular.ttf</font>
    </family>
    <family lang="und-Tglg">
        <font weight="400" style="normal">NotoSansTagalog-Regular.ttf</font>
    </family>
    <family lang="und-Tagb">
        <font weight="400" style="normal">NotoSansTagbanwa-Regular.ttf</font>
    </family>
    <family lang="und-Lana">
        <font weight="400" style="normal">NotoSansTaiTham-Regular.ttf</font>
    </family>
    <family lang="und-Tavt">
        <font weight="400" style="normal">NotoSansTaiViet-Regular.ttf</font>
    </family>
    <family lang="und-Tibt">
        <font weight="400" style="normal">NotoSansTibetan-Regular.ttf</font>
        <font weight="700" style="normal">NotoSansTibetan-Bold.ttf</font>
    </family>
    <family lang="und-Tfng">
        <font weight="400" style="normal">NotoSansTifinagh-Regular.ttf</font>
    </family>
    <family lang="und-Ugar">
        <font weight="400" style="normal">NotoSansUgaritic-Regular.ttf</font>
    </family>
    <family lang="und-Vaii">
        <font weight="400" style="normal">NotoSansVai-Regular.ttf</font>
    </family>
    <family lang="und-Yiii">
        <font weight="400" style="normal">NotoSansYi-Regular.ttf</font>
    </family>
    <family>
        <font weight="400" style="normal">NotoSansSymbols-Regular-Subsetted.ttf</font>
    </family>
    <family lang="zh-Hans">
        <font weight="400" style="normal" index="2">NotoSansCJK-Regular.ttc</font>
    </family>
    <!-- TODO: Add Bopo -->
    <family lang="zh-Hant">
        <font weight="400" style="normal" index="3">NotoSansCJK-Regular.ttc</font>
    </family>
    <family lang="ja">
        <font weight="400" style="normal" index="0">NotoSansCJK-Regular.ttc</font>
    </family>
    <family lang="ko">
        <font weight="400" style="normal" index="1">NotoSansCJK-Regular.ttc</font>
    </family>
    <family lang="und-Zsye">
        <font weight="400" style="normal">NotoColorEmoji.ttf</font>
    </family>
    <family lang="und-Zsym">
        <font weight="400" style="normal">NotoSansSymbols-Regular-Subsetted2.ttf</font>
    </family>
    <!--
        Tai Le and Mongolian are intentionally kept last, to make sure they don't override
        the East Asian punctuation for Chinese.
    -->
    <family lang="und-Tale">
        <font weight="400" style="normal">NotoSansTaiLe-Regular.ttf</font>
    </family>
    <family lang="und-Mong">
        <font weight="400" style="normal">NotoSansMongolian-Regular.ttf</font>
    </family>
</familyset>

- user8855417

1

我也遇到了相同的问题。

你是否曾经编辑过fonts.xml文件（可能是韩文字体或其他字体）？

打开"\plugins\android\lib\layoutlib\data\fonts\fonts.xml"文件。
在我的情况下，第474~475行已经损坏。你必须修复
```
'<family lan' to '</familyset>'
```

或重新安装Android Studio 3.0。

- MinWooKim

0

我遇到了同样的问题，出现了相同的渲染错误信息。

经过多个小时的研究和尝试这个那个的方法...最终我决定按照这个指南完全卸载Android Studio 3.0并重新安装：如何完全卸载Android Studio？

结果呢？它运行得很好 :)

- Kyuhyeok Park

0

我之前也遇到了预览XML布局的问题，但现在已解决。

可能是你在Android Studio安装目录上更新了某个文件。

我的情况是为了预览韩文字体，我更新了font.xml文件 (Android Studio\plugins\android\lib\layoutlib\data\fonts\fonts.xml)。

而Android Studio 3.0对于预览韩文字体做了更新，所以在安装之后我不需要再更新font.xml文件了。

我的解决方案非常简单：

卸载当前已安装的Android Studio 3.0
重新下载并安装最新版本的Android Studio 3.0。

卸载之后，安装目录中的所有内容都将被删除，并且当您安装下载文件时，Android Studio 3.0将得到完全更新。

请查看这里的评论以获取详细信息：Android Studio layout preview rendering issue after update

希望我的解决方案能帮到您。

- mzst

0

我遇到了类似的问题，感觉这是 Android Studio 的一个 bug？我不得不将应用程序主题更改为使用 Base.Theme.AppCompat 而不仅仅是 Theme.AppCompat。

 <!-- Base application theme. -->
    <style name="AppTheme" parent="Base.Theme.AppCompat.Light">
        <!-- Customize your theme here. -->
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
    </style>

这样之后，XML布局就可以正常渲染了。

由此带来的一个问题是，我无法使用一个没有ActionBar的父主题，因此如果使用Toolbar，我必须手动隐藏它：

<item name="windowActionBar">false</item>

- P Fuster

网页内容由stack overflow 提供, 点击上面的

可以查看英文原文，
原文链接

- Artem_Iens · Accepted Answer

在将Android Studio更新到3.0之后，我遇到了显示布局预览的问题。以下是帮助我的方法：

进入菜单"文件"
选择"Invalidate Cashes / Restart"
在打开的窗口中点击"Invalidate and Restart"

希望这能帮到你。