리스트뷰 가로/세로 설정 : horizontal/vertical
layout_weight 가중치 설정
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<LinearLayout
android:layout_width="match_parent"
android:layout_height="500dp"
android:orientation="horizontal"
app:layout_constraintHorizontal_weight="5"
android:background="@mipmap/ic_launcher_round"
tools:ignore="MissingConstraints">
<TextView
android:layout_width="100dp"
android:layout_height="100dp"
android:layout_weight="1"
android:background="@color/colorPrimaryDark"/>
<TextView
android:layout_width="100dp"
android:layout_height="100dp"
android:layout_weight="1"
android:background="@color/colorAccent"/>
<TextView
android:layout_width="100dp"
android:layout_height="100dp"
android:layout_weight="1"
android:background="@color/colorPrimary"/>
</LinearLayout>
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<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
app:layout_constraintHorizontal_weight="5"
android:background="@mipmap/ic_launcher_round"
tools:ignore="MissingConstraints">
<TextView
android:layout_width="100dp"
android:layout_height="100dp"
android:layout_weight="1"
android:background="@color/colorPrimaryDark"/>
<TextView
android:layout_width="100dp"
android:layout_height="100dp"
android:layout_weight="1"
android:background="@color/colorAccent"/>
<TextView
android:layout_width="100dp"
android:layout_height="100dp"
android:layout_weight="2"
android:background="@color/colorPrimary"/>
</LinearLayout
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