第4章短信下发指令

由于通过接口通讯，数据的获取并不及时，也可能用户关闭了定位上送服务，在紧急情况下需要了解老人的定位信息，这时通过短信发送特定短信，老人机通过解析指令并上送定位信息，或者更改定位的配置信息。短信可在解析后删除，无需向用户展示。
短信内容：【微尚信息】颐关爱下发指令：#2*开始时间*结束时间*频率#

app/build.gradle

@@ -6,8 +6,8 @@ android {
         applicationId "com.toscl.location.hengfeng"
         minSdkVersion 23
         targetSdkVersion 28
-        versionCode 1
-        versionName "0.1"
+        versionCode 3
+        versionName "0.3"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
     buildTypes {
@@ -20,7 +20,8 @@ android {
 
     android.applicationVariants.all { variant ->
         variant.outputs.all {
-            outputFileName = "LocationServer_${defaultConfig.versionName}.apk"
+//            _${defaultConfig.versionName}
+            outputFileName = "LocationService.apk"
         }
     }
     compileOptions {

app/src/main/java/com/toscl/location/hengfeng/LocationService.java

@@ -74,6 +74,8 @@ public class LocationService extends Service {
     public int onStartCommand(Intent intent, int flags, int startId) {
         Log.d(TAG, "onStartCommand");
 
+        isStartFromSms(intent);
+
         handleForegroundService();
 
         /*
@@ -109,6 +111,42 @@ public class LocationService extends Service {
         return super.onStartCommand(intent, flags, startId);
     }
 
+    private void isStartFromSms(Intent intent) {
+        String begin = intent.getStringExtra("begin");
+
+        if (begin != null){
+            String end = intent.getStringExtra("end");
+            String frequency = intent.getStringExtra("frequency");
+            PreferencesUtil.getInstance(getApplicationContext())
+                    .putInt(PreferencesUtil.HENG_FENG_BEGIN, Integer.parseInt(begin));
+
+            PreferencesUtil.getInstance(getApplicationContext())
+                    .putInt(PreferencesUtil.HENG_FENG_END, Integer.parseInt(end));
+
+            PreferencesUtil.getInstance(getApplicationContext())
+                    .putInt(PreferencesUtil.HENG_FENG_FREQUENCY, Integer.parseInt(frequency));
+
+            PreferencesUtil.getInstance(getApplicationContext())
+                    .putBoolean(PreferencesUtil.HENG_FENG_IS_OEPN, true);
+
+            cancelPreviousAlarmService();
+        }
+    }
+
+    private void cancelPreviousAlarmService() {
+        AlarmManager manger = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
+        Intent alarmReceiverIntent = new Intent(getApplicationContext(), AlarmReceiver.class);
+        PendingIntent alarmReceiverPendingIntent =
+                PendingIntent.getBroadcast(getApplicationContext(), 0, alarmReceiverIntent, 0);
+        try {
+            manger.cancel(alarmReceiverPendingIntent);
+            Log.d(TAG, "alarm is canceled.");
+        } catch (Exception e) {
+            e.printStackTrace();
+            Log.d(TAG, "alarm cancel exception: " + e.toString());
+        }
+    }
+
     private void readyToReqLocation() {
         resetTheCounts();
         sendOpenGpsBroadcast();
@@ -219,7 +257,7 @@ public class LocationService extends Service {
                         }
                     }
 
-                    if (mRequestLocationCount > 10) {
+                    if (mRequestLocationCount > 15) {
                         if (mWifiLatitude != 0 && mWifiLongitude != 0
                                 && mGpsLatitude != 0 && mGpsLongitude != 0) {
                             LatLng wifiLatLng = new LatLng(mWifiLatitude, mWifiLongitude);

app/src/main/java/com/toscl/location/hengfeng/activity/ServiceApplyActivity.java

@@ -6,7 +6,6 @@ import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.util.Log;
 import android.view.View;

app/src/main/java/com/toscl/location/hengfeng/activity/ServiceSettingActivity.java

@@ -108,6 +108,11 @@ public class ServiceSettingActivity extends Activity implements View.OnClickList
         int endIndex = mSpinnerForEndDate.getSelectedItemPosition();
         int frequency = Integer.parseInt(mEtFrequency.getText().toString());
 
+        if (frequency<7){
+            Toast.makeText(this, getString(R.string.setting_frequency_error), Toast.LENGTH_SHORT).show();
+            return;
+        }
+
         String begin = startIndex + ":00";
         String end = endIndex + ":00";
 

app/src/main/java/com/toscl/location/hengfeng/util/PhoneUtils.java

@@ -272,7 +272,7 @@ public class PhoneUtils {
             e.printStackTrace();
         }
 
-        Log.d(TAG, "hengdaServiceAvailable : runFlag: " + runFlag);
+        Log.d(TAG, "ServiceAvailable : runFlag: " + runFlag);
 
         return runFlag;
     }

app/src/main/java/com/toscl/location/hengfeng/util/PreferencesUtil.java

 package com.toscl.location.hengfeng.util;
 
-import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.SharedPreferences;
-import android.os.Build;
 import android.util.Log;
 
 import com.toscl.location.hengfeng.api.IotApi;
@@ -113,7 +111,6 @@ public class PreferencesUtil {
         mEditor.commit();
     }
 
-    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
     public void putStringSet(final String key, final Set<String> values) {
         mEditor.putStringSet(key, values);
         mEditor.commit();

app/src/main/res/values/strings.xml

@@ -43,4 +43,5 @@
     <string name="setting_tips_success" translatable="false">设置成功</string>
     <string name="location_server_unavailable" translatable="false">定位失败，当前服务不在有效期内</string>
     <string name="stop_service_tips">已停止服务</string>
+    <string name="setting_frequency_error">上传频率不得小于7分钟</string>
 </resources>