작성
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
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"
tools:context=".MainActivity"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="120dp">
<ImageView
android:src="@drawable/photo_1"
android:layout_width="120dp"
android:layout_height="120dp"/>
<ImageView
android:src="@drawable/photo_2"
android:layout_width="120dp"
android:layout_height="120dp"/>
<ImageView
android:src="@drawable/photo_3"
android:layout_width="120dp"
android:layout_height="120dp"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="120dp">
<ImageView
android:src="@drawable/photo_4"
android:layout_width="120dp"
android:layout_height="120dp"/>
</LinearLayout>
</LinearLayout>
run 하였을때 밑과같은 빌드오류가 됩니다.
Installed Build Tools revision 31.0.0 is corrupted. Remove and install again using the SDK Manager.