V4.0.0s - fixed issue with system not shutting down properly after enabling SMS alarms.

app/src/main/AndroidManifest.xml

@@ -3,7 +3,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     package="uk.org.openseizuredetector"
     android:versionCode="95"
-    android:versionName="4.0.0r">
+    android:versionName="4.0.0s">
     <!-- android:allowBackup="false" -->
     <uses-permission android:name="android.permission.BLUETOOTH" />
     <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />

app/src/main/java/uk/org/openseizuredetector/LogManager.java

@@ -120,15 +120,15 @@ public class LogManager {
 
         mUtil = new OsdUtil(mContext, handler);
         openDb();
-        Log.i(TAG,"Starting Remote Database Interface");
+        Log.i(TAG, "Starting Remote Database Interface");
         mWac = new WebApiConnection(mContext);
         mWac.setStoredToken(mAuthToken);
 
         if (mLogRemote) {
-            Log.i(TAG,"Starting Remote Log Timer");
+            Log.i(TAG, "Starting Remote Log Timer");
             startRemoteLogTimer();
         } else {
-            Log.i(TAG,"mLogRemote is false - not starting remote log timer");
+            Log.i(TAG, "mLogRemote is false - not starting remote log timer");
         }
 
         if (mAutoPruneDb) {
@@ -182,13 +182,13 @@ public class LogManager {
         Log.d(TAG, "openDb");
         try {
             if (mOsdDb == null) {
-                Log.i(TAG,"openDb: mOsdDb is null - initialising");
+                Log.i(TAG, "openDb: mOsdDb is null - initialising");
                 mOsdDb = new OsdDbHelper(mContext).getWritableDatabase();
             } else {
-                Log.i(TAG,"openDb: mOsdDb has been initialised already so not doing anything");
+                Log.i(TAG, "openDb: mOsdDb has been initialised already so not doing anything");
             }
             if (!checkTableExists(mOsdDb, mDpTableName)) {
-                Log.e(TAG, "ERROR - Table "+mDpTableName+" does not exist");
+                Log.e(TAG, "ERROR - Table " + mDpTableName + " does not exist");
                 return false;
             } else {
                 Log.d(TAG, "table " + mDpTableName + " exists ok");
@@ -246,6 +246,8 @@ public class LogManager {
         } catch (SQLException e) {
             Log.e(TAG, "writeToLocalDb(): Error Writing Data: " + e.toString());
             Log.e(TAG, "SQLStr was " + SQLStr);
+        } catch (NullPointerException e) {
+            Log.e(TAG, "writeToLocalDb(): Null Pointer Exception: " + e.toString());
         }
 
     }
@@ -532,7 +534,6 @@ public class LogManager {
     /**
      * Executes the sqlite query (=SELECT statement)
      * Use as new SelectQueryTask(xxx,xxx,xx,xxxx).execute()
-     *
      */
     static private class SelectQueryTask extends AsyncTask<Void, Void, Cursor> {
         // Based on https://stackoverflow.com/a/21120199/2104584
@@ -579,6 +580,9 @@ public class LogManager {
             } catch (IllegalArgumentException e) {
                 Log.e(TAG, "SelectQueryTask.doInBackground(): Illegal Argument Exception: " + e.toString());
                 return (null);
+            } catch (NullPointerException e) {
+                Log.e(TAG, "SelectQueryTask.doInBackground(): Null Pointer Exception: " + e.toString());
+                return (null);
             }
         }
 
@@ -805,7 +809,7 @@ public class LogManager {
         mOsdDb.close();
         mOsdDb = null;
         if (mWac != null) {
-            Log.i(TAG,"Stopping Remote Database Interface");
+            Log.i(TAG, "Stopping Remote Database Interface");
             mWac.close();
         }
     }
@@ -898,19 +902,18 @@ public class LogManager {
         public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
             // This database is only a cache for online data, so its upgrade policy is
             // to simply to discard the data and start over
-            Log.i(TAG,"onUpgrade()");
+            Log.i(TAG, "onUpgrade()");
             db.execSQL("Drop table if exists " + mDpTableName + ";");
             onCreate(db);
         }
 
         public void onDowngrade(SQLiteDatabase db, int oldVersion, int newVersion) {
-            Log.i(TAG,"onDowngrade()");
+            Log.i(TAG, "onDowngrade()");
             onUpgrade(db, oldVersion, newVersion);
         }
     }
 
 
-
     /**
      * Upload recorded data to the remote database periodically.
      */

app/src/main/java/uk/org/openseizuredetector/PrefActivity.java

@@ -144,6 +144,8 @@ public class PrefActivity extends PreferenceActivity implements SharedPreference
     public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String s) {
         Log.i(TAG, "SharedPreference " + s + " Changed.");
 
+        // if we have enabled the SMS alarm, we may need extra permissions approving.  This is handled in
+        // StartUpActivity, so we exit this activity and start start-up activity.
         if (s.equals("SMSAlarm")) {
             if (sharedPreferences.getBoolean("SMSAlarm", false) == true) {
                 Log.i(TAG, "onSharedPreferenceChanged(): SMS Alarm Enabled - Restarting start-up activity to check permissions");
@@ -152,10 +154,12 @@ public class PrefActivity extends PreferenceActivity implements SharedPreference
                 startActivity(i);
                 Log.i(TAG,"onSharedPreferenceChanged() - finishing PrefActivity");
                 finish();
+                return;
             } else {
                 Log.i(TAG, "OnSharedPreferenceChanged(): SMS Alarm disabled so do not need permissions");
             }
         }
+        // For all other preference changes we just restart SdServer so it is not as alarming for the user!
         //mUtil.showToast("Setting " + s + " Changed - restarting server");
         mPrefChanged = true;
         mUtil.stopServer();

app/src/main/java/uk/org/openseizuredetector/SdDataSource.java

@@ -691,11 +691,11 @@ public abstract class SdDataSource {
 
         // get time since the last data was received from the watch.
         tdiff = (tnow.toMillis(false) - mDataStatusTime.toMillis(false));
-        Log.v(TAG, "faultCheck() - tdiff=" + tdiff + ", mDataUpatePeriod=" + mDataUpdatePeriod + ", mAppRestartTimeout=" + mAppRestartTimeout
+        //Log.v(TAG, "faultCheck() - tdiff=" + tdiff + ", mDataUpatePeriod=" + mDataUpdatePeriod + ", mAppRestartTimeout=" + mAppRestartTimeout
-                + ", combined = " + (mDataUpdatePeriod + mAppRestartTimeout) * 1000);
+        //        + ", combined = " + (mDataUpdatePeriod + mAppRestartTimeout) * 1000);
         if (!mWatchAppRunningCheck &&
                 (tdiff > (mDataUpdatePeriod + mAppRestartTimeout) * 1000)) {
-            Log.v(TAG, "faultCheck() - watch app not running so not doing anything");
+            //Log.v(TAG, "faultCheck() - watch app not running so not doing anything");
             mAlarmCount = 0;
         }
     }

app/src/main/java/uk/org/openseizuredetector/SdServer.java

@@ -1132,9 +1132,13 @@ public class SdServer extends Service implements SdDataReceiver {
      */
     public void logData() {
         if (mLogData) {
+            if (mLm != null) {
                 Log.v(TAG, "logData() - writing data to Database");
                 //writeToSD();
                 mLm.writeDatapointToLocalDb(mSdData);
+            } else {
+                Log.e(TAG,"logData() - mLm is null - this should not happen");
+            }
         }
     }
 

app/src/main/java/uk/org/openseizuredetector/StartupActivity.java

@@ -182,18 +182,24 @@ public class StartupActivity extends AppCompatActivity {
 
 
         if (mUtil.isServerRunning()) {
-            Log.i(TAG, "onStart() - server running - stopping it");
+            Log.i(TAG, "onStart() - server running - stopping it - isServerRunning="+mUtil.isServerRunning());
             mUtil.writeToSysLogFile("StartupActivity.onStart() - server already running - stopping it.");
             mUtil.stopServer();
+        } else {
+            Log.i(TAG, "onStart() - server not running - isServerRunning="+mUtil.isServerRunning());
         }
-        mUtil.writeToSysLogFile("StartupActivity.onStart() - starting server");
+        // Wait 0.1 second to give the server chance to shutdown in case we have just shut it down below, then start it
-        Log.i(TAG, "onStart() - starting server");
+        mHandler.postDelayed(new Runnable() {
+            public void run() {
+                mUtil.writeToSysLogFile("StartupActivity.onStart() - starting server after delay - isServerRunning="+mUtil.isServerRunning());
+                Log.i(TAG, "onStart() - starting server after delay -isServerRunning="+mUtil.isServerRunning());
                 mUtil.startServer();
-
                 // Bind to the service.
                 Log.i(TAG, "onStart() - binding to server");
                 mUtil.writeToSysLogFile("StartupActivity.onStart() - binding to server");
                 mUtil.bindToServer(getApplicationContext(), mConnection);
+            }
+        }, 100);
 
         // Check power management settings
         PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE);
@@ -218,7 +224,7 @@ public class StartupActivity extends AppCompatActivity {
                 mHandler.post(serverStatusRunnable);
                 //updateServerStatus();
             }
-        }, 0, 2000);
+        }, 0, 5000);
 
 
     }
@@ -641,15 +647,6 @@ public class StartupActivity extends AppCompatActivity {
         for (int i = 0; i < permissions.length; i++) {
             Log.i(TAG, "Permission " + permissions[i] + " = " + grantResults[i]);
         }
-            //mUtil.showToast(getString(R.string.RestartingServerMsg));
-        //mUtil.stopServer();
-        // Wait 0.1 second to give the server chance to shutdown, then re-start it
-        //mHandler.postDelayed(new Runnable() {
-        //public void run() {
-        //mUtil.startServer();
-        //}
-        //}, 100);
-
     }