Android studio新建文件出现setContentView(R.layout.activity

今天打开Android studio突然出现了setContentView(R.layout.activity_main);中的R标红错误，这已经不是第一次出现这个错误了，真心的觉得Android studio是真的不稳定，找了半天发现我的资源文件res下面的好多文件出现了乱码，（我也是醉了）。把他们一个一个的替换成正确的代码终于rebulid project不再出现错误了。

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

<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">

    <background android:drawable="@drawable/ic_launcher_background" />

    <foreground android:drawable="@drawable/ic_launcher_foreground" />

</adaptive-icon>

这是mipmap下的ic_lanucher和ic_lanucher_round通用的代码。

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

<vector xmlns:android="http://schemas.android.com/apk/res/android"

    android:width="108dp"

    android:height="108dp"

    android:viewportWidth=""

    android:viewportHeight="">

    <path

        android:fillColor="#008577"

        android:pathData="M0,0h108v108h-108z" />

    <path

        android:fillColor="#00000000"

        android:pathData="M9,0L9,108"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M19,0L19,108"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M29,0L29,108"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M39,0L39,108"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M49,0L49,108"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M59,0L59,108"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M69,0L69,108"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M79,0L79,108"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M89,0L89,108"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M99,0L99,108"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M0,9L108,9"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M0,19L108,19"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M0,29L108,29"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M0,39L108,39"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M0,49L108,49"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M0,59L108,59"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M0,69L108,69"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M0,79L108,79"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M0,89L108,89"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M0,99L108,99"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M19,29L89,29"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M19,39L89,39"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M19,49L89,49"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M19,59L89,59"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M19,69L89,69"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M19,79L89,79"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M29,19L29,89"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M39,19L39,89"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M49,19L49,89"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M59,19L59,89"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M69,19L69,89"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

    <path

        android:fillColor="#00000000"

        android:pathData="M79,19L79,89"

        android:strokeWidth="0.8"

        android:strokeColor="#33FFFFFF" />

</vector>

这是drawable下的ic_lanucher_background.xml的代码

<vector xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:aapt="http://schemas.android.com/aapt"

    android:width="108dp"

    android:height="108dp"

    android:viewportWidth=""

    android:viewportHeight="">

    <path

        android:fillType="evenOdd"

        android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"

        android:strokeWidth=""

        android:strokeColor="#00000000">

        <aapt:attr name="android:fillColor">

            <gradient

                android:endX="78.5885"

                android:endY="90.9159"

                android:startX="48.7653"

                android:startY="61.0927"

                android:type="linear">

                <item

                    android:color="#44000000"

                    android:offset="0.0" />

                <item

                    android:color="#00000000"

                    android:offset="1.0" />

            </gradient>

        </aapt:attr>

    </path>

    <path

        android:fillColor="#FFFFFF"

        android:fillType="nonZero"

        android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"

        android:strokeWidth=""

        android:strokeColor="#00000000" />

</vector>

这是drawable下的ic_lanucher_foreground.xml的代码

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

<resources>

    <color name="colorPrimary">#</color>

    <color name="colorPrimaryDark">#00574B</color>

    <color name="colorAccent">#D81B60</color>

</resources>

这是layout下的colors.xml的代码

希望还有新建项目时代码出现乱码的伙伴可以用这样的方法解决。

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Android studio新建文件出现setContentView(R.layout.activity_main);中的R标红错误解决方法

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