<?xml version="1.0" encoding="utf-8"?> <androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android" style="@style/ChartWrapStyle"> <com.github.mikephil.charting.charts.LineChart android:id="@+id/alarmLineChart" android:layout_width="match_parent" android:layout_height="@dimen/dp_220" /> </androidx.cardview.widget.CardView>