puwei/app/src/main/res/layout/activity_sensor_setting.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:paddingStart="@dimen/_121dp"
    android:paddingTop="@dimen/_61dp">

    <EditText
        android:id="@+id/et_name"
        android:layout_width="@dimen/_600dp"
        android:layout_height="@dimen/_100dp"
        android:textSize="@dimen/_30dp"
        android:textColor="@color/white"
        android:textColorHint="@color/white"
        android:hint="@string/sensor_name_txt"
        android:singleLine="true"
        android:paddingStart="@dimen/_30dp"
        android:focusable="true"
        android:nextFocusDown="@id/et_name"
        android:background="@drawable/cloud_sync_btn_bg"/>

    <EditText
        android:id="@+id/et_gas_name"
        android:layout_width="@dimen/_600dp"
        android:layout_height="@dimen/_100dp"
        android:layout_marginTop="@dimen/_40dp"
        android:textSize="@dimen/_30dp"
        android:textColor="@color/white"
        android:textColorHint="@color/white"
        android:hint="@string/gas_name_txt"
        android:singleLine="true"
        android:paddingStart="@dimen/_30dp"
        android:focusable="true"
        android:nextFocusDown="@id/et_gas_name"
        android:background="@drawable/cloud_sync_btn_bg"/>

    <TextView
        android:id="@+id/et_step"
        android:layout_width="@dimen/_600dp"
        android:layout_height="@dimen/_100dp"
        android:layout_marginTop="@dimen/_40dp"
        android:textSize="@dimen/_30dp"
        android:gravity="center_vertical"
        android:textColor="@color/white"
        android:textColorHint="@color/white"
        android:hint="@string/sensor_step_txt"
        android:paddingStart="@dimen/_30dp"
        android:background="@drawable/cloud_sync_btn_bg"/>

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="@dimen/_6dp"
        android:layout_marginTop="@dimen/_40dp"
        android:text="@string/gas_unit"
        android:textColor="@color/white"
        android:textSize="@dimen/_30dp" />

    <androidx.appcompat.widget.AppCompatRadioButton
        android:id="@+id/rb_vol"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="@dimen/_40dp"
        android:layout_marginStart="@dimen/_20dp"
        android:paddingHorizontal="@dimen/_6dp"
        android:checked="true"
        android:focusable="true"
        android:text="@string/unit_vol"
        android:textColor="@color/white"
        android:textSize="@dimen/_28dp" />

    <androidx.appcompat.widget.AppCompatRadioButton
        android:id="@+id/rb_lel"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="@dimen/_40dp"
        android:layout_marginStart="@dimen/_20dp"
        android:paddingHorizontal="@dimen/_6dp"
        android:checked="true"
        android:focusable="true"
        android:text="@string/unit_lel"
        android:textColor="@color/white"
        android:textSize="@dimen/_28dp" />

    <RadioGroup
        android:id="@+id/rg_unit"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="@dimen/_40dp"
        android:layout_marginStart="@dimen/_20dp"
        android:orientation="horizontal">

        <androidx.appcompat.widget.AppCompatRadioButton
            android:id="@+id/rb_ppm"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:paddingHorizontal="@dimen/_6dp"
            android:focusable="true"
            android:text="@string/unit_ppm"
            android:textColor="@color/white"
            android:textSize="@dimen/_28dp" />

        <androidx.appcompat.widget.AppCompatRadioButton
            android:id="@+id/rb_mgm3"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:paddingHorizontal="@dimen/_6dp"
            android:focusable="true"
            android:text="@string/unit_mg_m3"
            android:textColor="@color/white"
            android:layout_marginStart="@dimen/_40dp"
            android:textSize="@dimen/_28dp" />
    </RadioGroup>

    <!--<RelativeLayout
        android:layout_width="@dimen/_600dp"
        android:layout_height="@dimen/_100dp"
        android:layout_marginTop="@dimen/_40dp"
        android:gravity="center"
        android:background="@drawable/cloud_sync_btn_bg">

        <EditText
            android:id="@+id/et_type"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:textSize="@dimen/_30dp"
            android:textColor="@color/white"
            android:textColorHint="@color/white"
            android:paddingStart="@dimen/_30dp"
            android:hint="@string/sensor_type_txt"
            android:background="#00000000"/>

        <ImageView
            android:layout_width="@dimen/_31dp"
            android:layout_height="@dimen/_17dp"
            android:src="@mipmap/ic_arrow_down"
            android:layout_centerVertical="true"
            android:layout_alignParentEnd="true"
            android:layout_marginEnd="@dimen/_30dp"/>
    </RelativeLayout>-->

    <TextView
        android:id="@+id/tv_warn_setting"
        android:layout_width="@dimen/_380dp"
        android:layout_height="@dimen/_80dp"
        android:layout_marginTop="@dimen/_40dp"
        android:textColor="@color/white"
        android:gravity="center"
        android:textSize="@dimen/_30dp"
        android:text="@string/sensor_warn_setting_txt"
        android:focusable="true"
        android:background="@drawable/warn_setting_btn_bg"/>

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="@dimen/_40dp">

        <TextView
            android:id="@+id/tv_save"
            android:layout_width="@dimen/_380dp"
            android:layout_height="@dimen/_80dp"
            android:textColor="@color/white"
            android:gravity="center"
            android:text="@string/save"
            android:focusable="true"
            android:textSize="@dimen/_30dp"
            android:background="@drawable/save_btn_bg"/>

        <TextView
            android:id="@+id/tv_sensor_init"
            android:layout_width="@dimen/_260dp"
            android:layout_height="@dimen/_80dp"
            android:layout_marginStart="@dimen/_38dp"
            android:textColor="@color/white"
            android:gravity="center"
            android:textSize="@dimen/_30dp"
            android:focusable="true"
            android:text="@string/sensor_init_txt"
            android:background="@drawable/sensor_init_btn_bg"/>
    </LinearLayout>
</LinearLayout>