Optimized three-day weather display.

Author: zhaobozhen

app/build.gradle

@@ -1,12 +1,12 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 28
+    compileSdkVersion 29
     defaultConfig {
         applicationId "com.absinthe.chillweather"
         minSdkVersion 21
-        targetSdkVersion 28
-        versionCode 662
+        targetSdkVersion 29
+        versionCode 677
         versionName "1.1.1"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }

app/src/main/java/com/absinthe/chillweather/WeatherActivity.java

@@ -9,6 +9,7 @@
 import android.content.SharedPreferences;
 import android.graphics.Color;
 import android.graphics.Typeface;
+import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.Build;
 import android.preference.PreferenceManager;
@@ -287,7 +288,9 @@ public void initView() {
             mChannel.setShowBadge(false);
             mChannel.setVibrationPattern(new long[]{0});
             mChannel.setSound(null, null);
-            manager.createNotificationChannel(mChannel);
+            if (manager != null) {
+                manager.createNotificationChannel(mChannel);
+            }
         }
 
         swipeRefresh.setOnRefreshListener(() -> requestWeather(mWeatherId));
@@ -358,20 +361,28 @@ private void showWeatherInfo(Weather weather) {
         feelDegreeText.setTypeface(typeface);
 
         forecastLayout.removeAllViews();
+
+        int iter = 0;
+        String[] date = {"今天", "明天", "后天"};
+
         for (Forecast forecast : weather.forecastList) {
             View view = LayoutInflater.from(this)
                     .inflate(R.layout.forecast_item, forecastLayout, false);
-            TextView dateText = view.findViewById(R.id.tv_forecast_date);
-            TextView infoText = view.findViewById(R.id.tv_forecast_info);
+            TextView dateAndConditionText = view.findViewById(R.id.tv_forecast_date_and_info);
             TextView maxMinText = view.findViewById(R.id.tv_max_min_degree);
-            ImageView weatherIcon = view.findViewById(R.id.iv_weather_icon);
 
-            dateText.setText(Integer.valueOf(forecast.date.substring(5, 7)) + "月" + Integer.valueOf(forecast.date.substring(8, 10)) + "日");
-            infoText.setText(forecast.dayCondition);
+            dateAndConditionText.setText(date[iter++] + "-" + forecast.dayCondition);
             maxMinText.setText(forecast.temperatureMax + "℃" + " / " + forecast.temperatureMin + "℃");
-            weatherIcon.setImageResource(Utility.WeatherIconSelector(forecast.dayCondition, Calendar.getInstance().get(Calendar.HOUR_OF_DAY)));
 
-            dateText.setTypeface(typeface);
+            Drawable image = getResources().getDrawable( Utility.WeatherIconSelector(forecast.dayCondition, Calendar.getInstance().get(Calendar.HOUR_OF_DAY)) );
+            int h = maxMinText.getLineHeight();
+            int w = maxMinText.getLineHeight();
+
+            image.setBounds( 0, 0, h, w );
+            maxMinText.setCompoundDrawables(null , null, image, null );
+            maxMinText.setCompoundDrawablePadding(10);
+
+            dateAndConditionText.setTypeface(typeface);
             maxMinText.setTypeface(typeface);
 
             forecastLayout.addView(view);

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

@@ -3,41 +3,26 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    android:orientation="horizontal"
     android:layout_margin="15dp">
 
     <TextView
-        android:id="@+id/tv_forecast_date"
+        android:id="@+id/tv_forecast_date_and_info"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:layout_gravity="center_vertical"
-        android:layout_weight="3"
-        android:textSize="@dimen/forecast_text_size"
-        android:textColor="@color/itemTextColor"/>
-
-    <TextView
-        android:id="@+id/tv_forecast_info"
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center_vertical"
+        android:layout_gravity="start"
+        android:gravity="start"
         android:layout_weight="1"
-        android:gravity="center"
         android:textSize="@dimen/forecast_text_size"
         android:textColor="@color/itemTextColor"/>
 
-    <ImageView
-        android:id="@+id/iv_weather_icon"
-        android:layout_width="0dp"
-        android:layout_height="match_parent"
-        android:layout_gravity="center"
-        android:layout_weight="1"
-        android:gravity="center" />
 
     <TextView
         android:id="@+id/tv_max_min_degree"
         android:layout_width="0dp"
+        android:layout_weight="1"
         android:layout_height="wrap_content"
-        android:layout_gravity="center"
-        android:layout_weight="3"
+        android:layout_gravity="end"
         android:gravity="end"
         android:textSize="@dimen/forecast_text_size"
         android:textColor="@color/itemTextColor"/>