定位服务

README.md

@@ -35,7 +35,7 @@
 
 > 帮助脚本
 
-* `打包-正式.bat`: 构建正式包(直接执行将使用`gradle.properties`文件里的配置进行打包, 完整命令行用法为 ```.\打包-正式.bat App主页链接地址 App名称 App图标 App启动页版权文本 App启动页厂商名称```, 此时会使用命令行里的配置进行打包. 生成的路径为`/app/build/outputs/apk/release/app-release.apk`)
+* `打包-正式.bat`: 构建正式包(直接执行将使用`gradle.properties`文件里的配置进行打包, 完整命令行用法为 ```.\打包-正式.bat App主页链接地址 App名称 App图标简称 App启动页版权文本 App启动页厂商名称```, 此时会使用命令行里的配置进行打包. 生成的路径为`/app/build/outputs/apk/release/app-release.apk`)
 * `打包-debug.bat`: 构建Debug包(生成的路径为`/app/build/outputs/apk/debug/app-debug.apk`)
 * `安装-发布包.bat`: 将已打好的Release包安装至手机(手机需连接到电脑, 并且启用开发者模式)
 * `安装-调试包.bat`: 将已打好的Debug包安装至手机(手机需连接到电脑, 并且启用开发者模式)

app/src/main/AndroidManifest.xml

@@ -13,8 +13,6 @@
     <uses-permission android:name="android.permission.CAMERA" />
     <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
     <!--AgentWeb 是默认允许定位的 ，如果你需要该功能 ， 请在你的 AndroidManifest 文件里面加入如下权限 。-->
-    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
-    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
 
     <!-- android:icon 、 android:roundIcon 是APP显示图标-->

app/src/main/java/com/nsgk/ruralWeb/EnvWindowObject.java

@@ -0,0 +1,168 @@
+package com.nsgk.ruralWeb;
+
+import android.app.Activity;
+import android.location.LocationManager;
+
+import android.Manifest;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.location.Location;
+import android.location.LocationManager;
+import android.location.LocationProvider;
+import android.os.Handler;
+import android.util.Log;
+import android.webkit.JavascriptInterface;
+import android.webkit.ValueCallback;
+import android.webkit.WebView;
+import android.widget.Toast;
+
+import androidx.core.app.ActivityCompat;
+
+import com.nsgk.ruralWeb.utils.ContextUtils;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class EnvWindowObject
+{
+    private static final String ID_TAG = EnvWindowObject.class.getName();
+    private static final String FUSED_PROVIDER = "fused";
+
+    private final Handler m_handler;
+    private final Context m_context;
+    private final WebView m_webView;
+
+    // 最近一次获取到的定位坐标, 如果获取定位失败则返回此值. 可能不需要, 因为PASSIVE_PROVIDER就为最近的定位
+    private String lastLocation = null;
+
+    public EnvWindowObject(Context context, Handler handler, WebView webView)
+    {
+        m_context = context;
+        m_handler = handler;
+        m_webView = webView;
+    }
+
+    @JavascriptInterface
+    public void Toast(final String message)
+    {
+        RunOnUIThread(new Runnable() {
+            @Override
+            public void run()
+            {
+                Toast.makeText(m_context, message, Toast.LENGTH_LONG).show();
+            }
+        });
+    }
+
+    @JavascriptInterface
+    public void Log(final String message)
+    {
+        Log.i(ID_TAG, message);
+    }
+
+    @JavascriptInterface
+    public String GetLocation(final String type)
+    {
+        try
+        {
+            if(ActivityCompat.checkSelfPermission(m_context, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(m_context, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED)
+            {
+                Toast.makeText(m_context, "请先允许定位服务", Toast.LENGTH_LONG).show();
+                ContextUtils.RequestLocationPermission((Activity) m_context, 0x1001);
+                return lastLocation;
+            }
+
+            LocationManager lm = (LocationManager) m_context.getSystemService(Context.LOCATION_SERVICE);
+
+            List<String> allProviders = lm.getAllProviders();
+            Map<String, LocationInfo> map = new HashMap<>();
+            for(String provider : allProviders)
+            {
+                Location lastKnownLocation = lm.getLastKnownLocation(provider);
+                if(null == lastKnownLocation)
+                    continue;
+                LocationInfo loc = new LocationInfo(provider, lastKnownLocation.getLongitude(), lastKnownLocation.getLatitude());
+                map.put(provider, loc);
+            }
+            LocationInfo loc = null;
+            if(null != type && !type.isEmpty() && map.containsKey(type))
+                loc = map.get(type);
+            else if(map.containsKey(LocationManager.NETWORK_PROVIDER))
+                loc = map.get(LocationManager.NETWORK_PROVIDER);
+            else if(map.containsKey(LocationManager.GPS_PROVIDER))
+                loc = map.get(LocationManager.GPS_PROVIDER);
+            else if(map.containsKey(LocationManager.PASSIVE_PROVIDER))
+                loc = map.get(LocationManager.GPS_PROVIDER);
+            else if(map.containsKey(FUSED_PROVIDER))
+                loc = map.get(FUSED_PROVIDER);
+
+            if(null != loc)
+                lastLocation = loc.longitude + "," + loc.latitude;
+        }
+        catch(Throwable e)
+        {
+            e.printStackTrace();
+        }
+        return lastLocation;
+    }
+
+    protected void RunOnUIThread(Runnable runnable)
+    {
+        if(null != m_handler)
+            m_handler.post(runnable);
+        else if(m_context instanceof Activity)
+            ((Activity)m_context).runOnUiThread(runnable);
+        else
+        {
+            Log.e(ID_TAG, "无法在UI线程中执行");
+        }
+    }
+
+    protected void CallJSFunc(final String func, Object...args)
+    {
+        StringBuilder sb = new StringBuilder();
+        for(int i = 0; i < args.length; i++)
+        {
+            sb.append("'").append(args[i].toString()).append("'");
+            if(i < args.length - 1)
+                sb.append(", ");
+        }
+        final String arg = sb.toString();
+        RunOnUIThread(new Runnable() {
+            @Override
+            public void run()
+            {
+                String script = "javascript:typeof(" + func + ") == 'function' && " + func + "(" + arg + ");";
+                Log.e(ID_TAG, String.format("调用js函数: 函数(%s), 参数(%s)", func, arg));
+                m_webView.evaluateJavascript(script, new ValueCallback<String>() {
+                    @Override
+                    public void onReceiveValue(String value) {
+                        Log.e(ID_TAG, String.format("js函数 %s 返回: %s", func, value));
+                    }
+                });
+            }
+        });
+    }
+
+    protected void CallJSFunc_beforeAndroid4_4(final String func, Object...args)
+    {
+        StringBuilder sb = new StringBuilder();
+        for(int i = 0; i < args.length; i++)
+        {
+            sb.append("'").append(args[i].toString()).append("'");
+            if(i < args.length - 1)
+                sb.append(", ");
+        }
+        final String arg = sb.toString();
+        RunOnUIThread(new Runnable() {
+            @Override
+            public void run() {
+                Log.e(ID_TAG, String.format("调用js函数: 函数(%s), 参数(%s)", func, arg));
+                String script = "javascript:typeof(" + func + ") == 'function' && " + func + "(" + arg + ");";
+                Log.e(ID_TAG, script);
+                m_webView.loadUrl(script, null);
+            }
+        });
+    }
+}

app/src/main/java/com/nsgk/ruralWeb/FullscreenActivity.java

@@ -3,6 +3,7 @@ package com.nsgk.ruralWeb;
 import android.annotation.SuppressLint;
 import android.content.Intent;
 import android.os.Bundle;
+import android.os.Handler;
 import android.util.Log;
 import android.view.KeyEvent;
 import android.view.ViewGroup;
@@ -34,6 +35,7 @@ public class FullscreenActivity extends AppCompatActivity {
 
         setContentView(R.layout.activity_fullscreen);
         String appHomeUrl = GetHomeUrl();
+        //appHomeUrl = "http://192.168.0.250:85/sunVillage_info/login";
         Log.i("NSGK", "App home url: " + appHomeUrl);
 //        init();
         mAgentWeb = AgentWeb.with(this)//
@@ -61,6 +63,9 @@ public class FullscreenActivity extends AppCompatActivity {
                 .ready()//设置 WebSettings。
                 .go(appHomeUrl); //WebView载入该url地址的页面并显示。
 
+        // 注入宿主对象
+        mAgentWeb.getJsInterfaceHolder().addJavaObject("_Native_object", new EnvWindowObject(this, new Handler(), mAgentWeb.getWebCreator().getWebView()));
+
                /*  上边url是各个APP项目的入口地址
                事项审批 http://116.255.223.226:82/yinnongLogin    图标 ic_launcher_sxsp 或者 ic_launcher_yhzl
                阳光村务（村级事项） http://116.255.223.226:82/sunVillage_info/login  图标 ic_launcher_ygcw

app/src/main/java/com/nsgk/ruralWeb/LocationInfo.java

@@ -0,0 +1,25 @@
+package com.nsgk.ruralWeb;
+
+public final class LocationInfo
+{
+    public final String provider;
+    public final double longitude;
+    public final double latitude;
+
+    public LocationInfo(String provider, double longitude, double latitude)
+    {
+        this.provider = provider;
+        this.longitude = longitude;
+        this.latitude = latitude;
+    }
+
+    @Override
+    public String toString()
+    {
+        return "LocationInfo{" +
+                "provider='" + provider + '\'' +
+                ", latitude=" + latitude +
+                ", longitude=" + longitude +
+                '}';
+    }
+}

app/src/main/java/com/nsgk/ruralWeb/utils/ContextUtils.java

@@ -0,0 +1,16 @@
+package com.nsgk.ruralWeb.utils;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.provider.Settings;
+
+public final class ContextUtils
+{
+    public static void RequestLocationPermission(Activity context, int requestCode)
+    {
+        Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
+        context.startActivityForResult(intent, requestCode);
+    }
+
+    private ContextUtils() {}
+}