desc:传感器校准增加提示

app/src/main/res/layout/activity_sensor_calibration.xml

@@ -6,11 +6,23 @@
     android:paddingStart="@dimen/_121dp"
     android:paddingTop="@dimen/_61dp">
 
+    <TextView
+        android:id="@+id/tv_save"
+        android:layout_width="wrap_content"
+        android:layout_height="@dimen/_80dp"
+        android:textColor="@color/color_error"
+        android:layout_marginTop="@dimen/_23dp"
+        android:gravity="center"
+        android:text="@string/calibration_tip"
+        android:focusable="true"
+        android:textSize="@dimen/_40dp"/>
+
     <EditText
         android:id="@+id/et_name"
         android:layout_width="@dimen/_600dp"
         android:layout_height="@dimen/_100dp"
         android:textSize="@dimen/_30dp"
+        android:layout_marginTop="@dimen/_23dp"
         android:textColor="@color/white"
         android:textColorHint="@color/white"
         android:hint="@string/calibration_value"

app/src/main/res/values/strings.xml

@@ -77,4 +77,5 @@
 
     <string name="calibration_value">请输入校准浓度</string>
     <string name="calibration_txt">校准传感器</string>
+    <string name="calibration_tip">请在专业人士指导下进行校准！随意校准可能导致传感器异常！</string>
 </resources>