一个基于Jetpack构建的MVVM天气预报APP

<?xml version="1.0" encoding="utf-8"?> <layout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" xmlns:bind="http://schemas.android.com/apk/res-auto"> <data> <variable name="viewModel" type="com.king.weather.app.main.MainViewModel"/> <variable name="live" type="com.amap.api.services.weather.LocalWeatherLive"/> <variable name="forecast" type="com.amap.api.services.weather.LocalWeatherForecast"/> </data> <androidx.drawerlayout.widget.DrawerLayout android:id="@+id/drawerLayout" android:layout_width="match_parent" android:layout_height="match_parent"> <androidx.swiperefreshlayout.widget.SwipeRefreshLayout android:id="@+id/srl" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@drawable/weather_bg"> <androidx.core.widget.NestedScrollView android:layout_width="match_parent" android:layout_height="wrap_content"> <LinearLayout android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"> <androidx.constraintlayout.widget.ConstraintLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_margin="@dimen/dp_16"> <TextView android:id="@+id/tvCity" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginTop="@dimen/dp_10" android:layout_marginLeft="@dimen/dp_10" android:textSize="@dimen/city_text_size" android:textColor="@color/text_white" android:text="@{live.city}" tools:text="深圳" android:singleLine="true" app:layout_constraintTop_toTopOf="parent" app:layout_constraintLeft_toLeftOf="parent"/> <TextView android:id="@+id/tvReportTime" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="@dimen/dp_10" android:layout_marginTop="@dimen/dp_10" android:layout_marginRight="@dimen/dp_10" android:textColor="@color/text_white" bind:date="@{live.reportTime}" tools:text="2019-7-25 10:00 发布" app:layout_constraintTop_toTopOf="parent" app:layout_constraintRight_toRightOf="parent"/> <View android:layout_width="0dp" android:layout_height="0dp" app:layout_constraintLeft_toLeftOf="parent" app:layout_constraintRight_toRightOf="parent" app:layout_constraintTop_toTopOf="@+id/tvTemperature" app:layout_constraintBottom_toBottomOf="@+id/tvHumidity" android:background="@drawable/shape_bg"/> <TextView android:id="@+id/tvTemperature" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="@dimen/dp_10" android:layout_marginTop="@dimen/dp_10" android:textSize="@dimen/temperature_text_size" android:textColor="@color/text_white" bind:temperature="@{live.temperature}" tools:text="26℃" app:layout_constraintLeft_toLeftOf="parent" app:layout_constraintTop_toBottomOf="@+id/tvCity"/> <TextView android:id="@+id/tvWeather" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="@dimen/dp_30" android:textSize="@dimen/weather_text_size" android:textColor="@color/text_white" android:text="@{live.weather}" tools:text="晴" app:layout_constraintLeft_toRightOf="@+id/tvTemperature" app:layout_constraintBottom_toBottomOf="@+id/tvTemperature"/> <TextView android:id="@+id/tvWind" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginTop="@dimen/dp_10" android:textColor="@color/text_white" bind:windDirection="@{live.windDirection}" bind:windPower="@{live.windPower}" tools:text="西北风 3级" app:layout_constraintLeft_toLeftOf="@+id/tvWeather" app:layout_constraintTop_toBottomOf="@+id/tvWeather"/> <TextView android:id="@+id/tvHumidity" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textColor="@color/text_white" android:layout_marginTop="@dimen/dp_10" android:paddingBottom="@dimen/dp_10" bind:humidity="@{live.humidity}" tools:text="湿度 52%" app:layout_constraintLeft_toLeftOf="@+id/tvWeather" app:layout_constraintTop_toBottomOf="@+id/tvWind"/> <View android:layout_width="0dp" android:layout_height="0dp" android:layout_marginTop="@dimen/dp_10" app:layout_constraintLeft_toLeftOf="parent" app:layout_constraintRight_toRightOf="parent" app:layout_constraintTop_toBottomOf="@+id/tvHumidity" app:layout_constraintBottom_toBottomOf="@+id/rv" android:background="@drawable/shape_bg"/> <TextView android:id="@+id/tvLabelForecast" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textColor="@color/text_white" android:layout_marginLeft="@dimen/dp_10" android:layout_marginTop="@dimen/dp_20" android:textSize="@dimen/sp_20" android:text="@string/label_forecast"