新增丨天气预报Demo 简单版

Author: littlecurl

README.md

@@ -8,7 +8,11 @@
 
 ### Android相关
 
-### [新增]百度地图定位
+### [新增]天气预报|简单版
+
+1. 天气预报Demo  [WeatherDemo.zip](https://gitee.com/littlecurl/AppProjects/raw/master/WeatherDemo.zip)
+
+### 百度地图定位
 
 1. 仅仅百度地图定位Demo [JustBaiDuMapLocationDemo.zip](https://gitee.com/littlecurl/AppProjects/raw/master/JustBaiDuMapLocationDemo.zip)
 

WeatherDemo.zip

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+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

WeatherDemo/.gitignore

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+/build

WeatherDemo/app/.gitignore

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+plugins {
+    id 'com.android.application'
+}
+
+android {
+    compileSdkVersion rootProject.ext.compileSdkVersion
+
+    defaultConfig {
+        applicationId "com.example.weatherdemo"
+        minSdkVersion rootProject.ext.minSdkVersion
+        targetSdkVersion rootProject.ext.targetSdkVersion
+        versionName rootProject.ext.versionName
+        versionCode rootProject.ext.versionCode
+
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'com.google.android.material:material:1.3.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+    testImplementation 'junit:junit:4.+'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+
+    implementation project(":library-xhttp2")
+    implementation project(":library-EditSpiner")
+}

WeatherDemo/app/build.gradle

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

WeatherDemo/app/proguard-rules.pro

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+package com.example.weatherdemo;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("com.example.weatherdemo", appContext.getPackageName());
+    }
+}

WeatherDemo/app/src/androidTest/java/com/example/weatherdemo/ExampleInstrumentedTest.java

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.weatherdemo">
+
+    <application
+        android:name="MyApplication"
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:networkSecurityConfig="@xml/network_security_config"
+        android:theme="@style/Theme.WeatherDemo">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

WeatherDemo/app/src/main/AndroidManifest.xml

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+package com.example.weatherdemo;
+
+import android.os.SystemClock;
+
+/**
+ *    author : Android 轮子哥
+ *    github : https://github.com/getActivity/AndroidProject
+ *    time   : 2018/10/18
+ *    desc   : 防双击判断工具类
+ */
+public final class DoubleClickHelper {
+
+    /** 数组的长度为2代表只记录双击操作 */
+    private static final long[] TIME_ARRAY = new long[2];
+
+    /**
+     * 是否在短时间内进行了双击操作
+     */
+    public static boolean isOnDoubleClick() {
+        // 默认间隔时长
+        return isOnDoubleClick(1500);
+    }
+
+    /**
+     * 是否在短时间内进行了双击操作
+     */
+    public static boolean isOnDoubleClick(int time) {
+        System.arraycopy(TIME_ARRAY, 1, TIME_ARRAY, 0, TIME_ARRAY.length - 1);
+        TIME_ARRAY[TIME_ARRAY.length - 1] = SystemClock.uptimeMillis();
+        return TIME_ARRAY[0] >= (SystemClock.uptimeMillis() - time);
+    }
+}

WeatherDemo/app/src/main/java/com/example/weatherdemo/DoubleClickHelper.java

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+package com.example.weatherdemo;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.annotation.SuppressLint;
+import android.os.Bundle;
+import android.text.TextUtils;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.example.weatherdemo.bean.Body;
+import com.example.weatherdemo.bean.Forecast;
+import com.example.weatherdemo.bean.ResponseData;
+import com.xuexiang.xhttp2.XHttp;
+import com.xuexiang.xhttp2.callback.CallBackProxy;
+import com.xuexiang.xhttp2.callback.SimpleCallBack;
+import com.xuexiang.xhttp2.exception.ApiException;
+
+import java.util.Arrays;
+import java.util.List;
+
+import cn.edu.heuet.editspinner.EditSpinner;
+
+public class MainActivity extends AppCompatActivity {
+    private String cityName;
+    private TextView tvContent;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        // 1、读取 XML 数据
+        String[] cityCodeArray = getResources().getStringArray(R.array.cityCode);
+
+        String[] cityNameArray = getResources().getStringArray(R.array.cityName);
+        List<String> cityNameList = Arrays.asList(cityNameArray);
+
+        // 2、将数据填充给 Spinner 控件
+        EditSpinner editSpinner = findViewById(R.id.editspinner);
+        editSpinner.setItemData(cityNameList);
+
+        tvContent = findViewById(R.id.tv_content);
+        Button btSearch = findViewById(R.id.bt_search);
+
+        // 3、按钮点击响应事件
+        btSearch.setOnClickListener(new View.OnClickListener() {
+
+            @Override
+            public void onClick(View v) {
+                // 防止快速点击
+                if (DoubleClickHelper.isOnDoubleClick(3000)) {
+                    Toast.makeText(MainActivity.this, "查询太频繁，手别抖！", Toast.LENGTH_SHORT).show();
+                    return;
+                }
+                cityName = editSpinner.getText();
+                if (TextUtils.isEmpty(cityName)) {
+                    return;
+                }
+                // 根据填写的城市名称查到对应的城市代码
+                int index = cityNameList.indexOf(cityName);
+                if (index == -1) {
+                    Toast.makeText(MainActivity.this, "输入城市名称未录入系统,请重新输入", Toast.LENGTH_SHORT).show();
+                    return;
+                }
+
+                String url = "http://t.weather.itboy.net/api/weather/city/" + cityCodeArray[index];
+                // Xhttp2 请求网络
+                XHttp.get(url)
+                        .syncRequest(false)
+                        .execute(new CallBackProxy<Body<ResponseData>, ResponseData>(
+                                new SimpleCallBack<ResponseData>() {
+                                    @Override
+                                    public void onSuccess(ResponseData data) {
+                                        // 处理 data
+                                        dealWithData(data);
+                                    }
+
+                                    @Override
+                                    public void onError(ApiException e) {
+                                        // 处理异常
+                                    }
+                                }
+                        ) {
+                        });//最后一定要有 {} 否则解析失败 作者：为中华之崛起而敲代码 https://www.bilibili.com/read/cv8476993?spm_id_from=333.999.0.0 出处：bilibili
+
+            }
+        });
+    }
+
+    @SuppressLint("SetTextI18n")
+    private void dealWithData(ResponseData data) {
+        if (data == null) {
+            Toast.makeText(MainActivity.this, "结果异常！", Toast.LENGTH_SHORT).show();
+            return;
+        }
+        Forecast todayForecast = data.getForecast().get(0);
+        String today = buildForecastString(todayForecast, "今天");
+
+        Forecast tomorrowForecast = data.getForecast().get(1);
+        String tomorrow = buildForecastString(tomorrowForecast, "明天");
+
+        tvContent.setText(today + tomorrow);
+    }
+
+    private String buildForecastString(Forecast forecast, String day) {
+        return day + "【" + cityName + "】天气" + "\n" +
+                "日期：" + forecast.getYmd() + "丨" +
+                forecast.getWeek() + ";\n" +
+                "天气类型：" + forecast.getType() + ";\n" +
+                "最高温度：" + forecast.getHigh() + ";\n" +
+                "最低温度：" + forecast.getLow() + ";\n" +
+                "刮风情况：" + forecast.getFl() + "丨" +
+                forecast.getFx() +
+                ";\n" +
+                "天气建议：" + forecast.getNotice() + ";\n\n\n";
+    }
+
+}