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

    <Button
        android:id="@+id/btn_get_devece_info"
        android:layout_width="match_parent"
        android:layout_height="48dp"
        android:layout_margin="4dp"
        android:gravity="center"
        android:text="获取设备信息"/>

    <ListView
        android:id="@+id/list_info"
        android:layout_width="match_parent"
        android:divider="@android:color/transparent"
        android:layout_height="200dp" />
    <Button
        android:id="@+id/btn_get_photo"
        android:layout_width="match_parent"
        android:layout_height="48dp"
        android:layout_margin="4dp"
        android:gravity="center"
        android:text="获取最新照片"/>


    <ImageView
        android:id="@+id/iv_latest_photo"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:scaleType="centerInside"/>

</LinearLayout>