uniapp js调用Android java 实现智能配网

比眉伴天荒 2022-12-06 01:17 497阅读 0赞

![在这里插入图片描述][20200911155654547.png_pic_center]  
AndroidBridge.java

package io.dcloud.simple.test;
    
    import android.app.Activity;
    
    import org.json.JSONArray;
    
    import io.dcloud.common.DHInterface.IWebview;
    import io.dcloud.common.DHInterface.StandardFeature;
    import io.dcloud.common.util.JSUtil;
    
    public class AndroidBridge extends StandardFeature { 
    
        /** * @param pWebview * @param array */
        public void callAppFunc(IWebview pWebview, JSONArray array) { 
    // 获取回调ID
            String CallBackID = array.optString(0);
    // 获取参数并计算（这里模拟原生处理）
            String newstring = "你好，这个字符串来自android原生代码，您传过来的参数是:" + array.optString(1);
    // 构建回传参数
    // JSONArray newArray = new JSONArray();
    // newArray.put(newstring);
    // JSUtil.execCallback(IWebview pWebViewImpl,String pCallbackId,String pMessage,int pStatus,boolean pKeepCallback)
    // 参数:
    // pWebViewImpl - webview对象
    // pCallbackId - 回调方法ID
    // pMessage - 回调信息
    // pStatus - 回调code值 如：OK、ERROR
    // pKeepCallback - js层回调function是否要保存
            Activity activity = pWebview.getActivity();
    // activity.startActivity(new Intent(activity, TestActivity.class));
            MSTest.showToast(activity);
            // 第一个参数是当前函数的入参，直接传入， 第二个是根据入参获取的回调id，第三个是回调的数据，是一个json数组
    
            JSUtil.execCallback(pWebview, CallBackID, newstring, JSUtil.OK, false);
        }
    
    
    }

MSTest.java

package io.dcloud.simple.test;
    
    import android.app.Activity;
    import android.content.Context;
    import android.content.DialogInterface;
    import android.net.ConnectivityManager;
    import android.net.NetworkInfo;
    import android.net.wifi.ScanResult;
    import android.net.wifi.WifiInfo;
    import android.net.wifi.WifiManager;
    import android.os.AsyncTask;
    import android.os.Build;
    import android.text.TextUtils;
    import android.util.Log;
    import android.widget.Toast;
    
    import java.util.List;
    
    import io.dcloud.simple.test.esptouch.EsptouchTask;
    import io.dcloud.simple.test.esptouch.IEsptouchResult;
    
    public class MSTest { 
        public static void showToast(Activity activity) { 
            Toast.makeText(activity, "我是原生toast弹框", Toast.LENGTH_LONG).show();
            WifiManager mWifiManager = (WifiManager) activity.getApplicationContext().getSystemService(Context.WIFI_SERVICE);
            Log.e("========", scanApBssidBySsid(mWifiManager, "NETGEAR86"));
            new ConfigureTask(activity, "NETGEAR86", scanApBssidBySsid(mWifiManager, "NETGEAR86"), "jack.12306", false).execute();
    
        }
    
        private static String scanApBssidBySsid(WifiManager wifimanager, String ssid) { 
            if (TextUtils.isEmpty(ssid)) { 
                return null;
            }
            String bssid = null;
            for (int retry = 0; bssid == null && retry < 3; retry++) { 
                wifimanager.startScan();
                List<ScanResult> mScanResultList = wifimanager.getScanResults();
                for (ScanResult scanResult : mScanResultList) { 
                    if (scanResult.SSID.equals(ssid)) { 
                        bssid = scanResult.BSSID;
                        return bssid;
                    }
                }
            }
            return null;
        }
    
        /** * 获取SSID * * @param activity 上下文 * @return WIFI 的SSID */
        private static String getWIFISSID(Activity activity) { 
            String ssid = "unknown id";
            if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.O || Build.VERSION.SDK_INT == Build.VERSION_CODES.P) { 
                WifiManager mWifiManager = (WifiManager) activity.getApplicationContext().getSystemService(Context.WIFI_SERVICE);
                assert mWifiManager != null;
                WifiInfo info = mWifiManager.getConnectionInfo();
                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) { 
                    return info.getSSID();
                } else { 
                    return info.getSSID().replace("\"", "");
                }
            } else if (Build.VERSION.SDK_INT == Build.VERSION_CODES.O_MR1) { 
                ConnectivityManager connManager = (ConnectivityManager) activity.getApplicationContext()
                        .getSystemService(Context.CONNECTIVITY_SERVICE);
                assert connManager != null;
                NetworkInfo networkInfo = connManager.getActiveNetworkInfo();
                if (networkInfo != null && networkInfo.isConnected()) { 
                    if (networkInfo.getExtraInfo() != null) { 
                        return networkInfo.getExtraInfo().replace("\"", "");
                    }
                }
            }
            return ssid;
        }
    
        // 配网过程
        static class ConfigureTask extends AsyncTask<String, Void, IEsptouchResult> implements DialogInterface.OnCancelListener { 
            private Activity mActivity;
            // private ProgressDialog mDialog;
            private EsptouchTask mTask;
            private final String mSsid;
    
            public ConfigureTask(Activity activity, String apSsid, String apBssid, String password, boolean isSsidHidden) { 
                mActivity = activity;
                mSsid = apSsid;
                mTask = new EsptouchTask(apSsid, apBssid, password, isSsidHidden, mActivity);
            }
    
            @Override
            protected void onPreExecute() { 
                Log.e("========", "正在配网");
            }
    
            @Override
            protected IEsptouchResult doInBackground(String... params) { 
                return mTask.executeForResult();
            }
    
            @Override
            protected void onPostExecute(IEsptouchResult result) { 
                int toastMsg;
                if (result.isSuc()) {  // 配网成功--跳转到绑定设备页面,当前页面销毁
                    Log.e("========", "配网成功");
                } else if (result.isCancelled()) {  // 取消配置
                    Log.e("========", "取消配置");
                } else {  // 配置结束，因当前连接的WIFI与配置的WIFI不同，无法收到反馈，请自行检查结果
                    Log.e("========", "配置结束，因当前连接的WIFI与配置的WIFI不同，无法收到反馈，请自行检查结果");
                }
            }
    
            @Override
            public void onCancel(DialogInterface dialog) { 
                if (mTask != null) { 
                    mTask.interrupt();
                }
            }
        }
    
    }

[20200911155654547.png_pic_center]: /images/20221123/0557109095e541f380a7c39a546bdf58.png