feat: Added SensorGraphViewActivity to visualize and export data in CSV format

app/build.gradle

@@ -52,6 +52,8 @@ dependencies {
     implementation "com.afollestad.material-dialogs:core:$rootProject.materialDialogsVersion"
     implementation "com.jakewharton:butterknife:$rootProject.butterKnifeVersion"
     implementation "com.android.support:support-v4:$rootProject.supportLibraryVersion"
+    implementation 'com.android.support:support-v4:27.1.1'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.2'
     annotationProcessor "com.jakewharton:butterknife-compiler:$rootProject.butterKnifeVersion"
     implementation "com.github.medyo:android-about-page:$rootProject.androidAboutPageVersion"
     implementation "com.github.tiagohm.MarkdownView:library:$rootProject.markDownViewVersion"
@@ -65,6 +67,7 @@ dependencies {
     implementation "org.osmdroid:osmdroid-mapsforge:$rootProject.mapsforgeVersion"
     implementation "org.osmdroid:osmdroid-geopackage:$rootProject.geoPackageVersion"
     implementation "com.android.support:multidex:$rootProject.multiDexVersion"
+    implementation 'io.realm:android-adapters:2.1.1'
 
     testImplementation "junit:junit:$rootProject.junitVersion"
     androidTestImplementation("com.android.support.test:runner:$rootProject.testRunnerRulesVersion") {

app/src/main/AndroidManifest.xml

@@ -43,9 +43,7 @@
                 android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED"
                 android:resource="@xml/device_filter" />
         </activity>
-
-        <activity android:name=".activity.SettingsActivity"/>
-
+        <activity android:name=".activity.SettingsActivity" />
         <activity android:name=".activity.ShowLoggedData" />
         <activity
             android:name=".activity.PerformExperimentActivity"
@@ -77,14 +75,13 @@
             android:name=".activity.LuxMeterActivity"
             android:configChanges="orientation|screenSize|keyboardHidden" />
         <activity android:name=".activity.AccelerometerActivity" />
-
+        <activity android:name=".activity.DataLoggerActivity" />
         <activity
             android:name=".activity.Barometer_activity"
-            android:configChanges="keyboardHidden|screenSize|orientation"/>
-
-        <activity android:name=".activity.CompassActivity"
-            android:screenOrientation="portrait"/>
-
+            android:configChanges="keyboardHidden|screenSize|orientation" />
+        <activity
+            android:name=".activity.CompassActivity"
+            android:screenOrientation="portrait" />
         <activity android:name=".activity.MapsActivity" />
 
         <receiver android:name=".receivers.USBDetachReceiver" />
@@ -97,7 +94,7 @@
         <activity android:name=".sensors.SensorSHT21" />
         <activity android:name=".sensors.SensorMPU6050" />
         <activity android:name=".sensors.SensorTSL2561" />
-
+        <activity android:name=".activity.SensorGraphViewActivity"></activity>
     </application>
 
 </manifest>

app/src/main/java/io/pslab/PSLabApplication.java

@@ -3,6 +3,7 @@
 import android.app.Application;
 
 import io.realm.Realm;
+import io.realm.RealmConfiguration;
 
 /**
  * Created by viveksb007 on 4/8/17.
@@ -14,5 +15,9 @@ public class PSLabApplication extends Application {
     public void onCreate() {
         super.onCreate();
         Realm.init(this);
+        RealmConfiguration.Builder v = new RealmConfiguration.Builder().name(Realm.DEFAULT_REALM_NAME)
+                .schemaVersion(0)
+                .deleteRealmIfMigrationNeeded();
+        Realm.setDefaultConfiguration(v.build());
     }
 }

app/src/main/java/io/pslab/activity/DataLoggerActivity.java

@@ -0,0 +1,86 @@
+package io.pslab.activity;
+
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.DividerItemDecoration;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.Toolbar;
+import android.view.MenuItem;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import io.pslab.R;
+import io.pslab.adapters.SensorLoggerListAdapter;
+import io.pslab.models.SensorLogged;
+import io.realm.Realm;
+import io.realm.RealmResults;
+import io.realm.Sort;
+
+/**
+ * Created by Avjeet on 05/08/18.
+ */
+
+public class DataLoggerActivity extends AppCompatActivity {
+    public static final String CALLER_ACTIVITY = "Caller";
+    @BindView(R.id.recycler_view)
+    RecyclerView recyclerView;
+
+    @BindView(R.id.toolbar)
+    Toolbar toolbar;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_data_logger);
+        ButterKnife.bind(this);
+        setSupportActionBar(toolbar);
+        Realm realm = Realm.getDefaultInstance();
+        String caller = getIntent().getStringExtra(CALLER_ACTIVITY);
+        if (caller == null)
+            caller = "";
+
+        RealmResults<SensorLogged> results;
+        String title;
+        switch (caller) {
+            case "Lux Meter":
+                results = realm.where(SensorLogged.class).equalTo("sensor", caller)
+                        .findAll()
+                        .sort("dateTimeStart", Sort.DESCENDING);
+                title = caller + " Data";
+                break;
+            default:
+                results = realm.where(SensorLogged.class)
+                        .findAll()
+                        .sort("dateTimeStart", Sort.DESCENDING);
+                title = getString(R.string.logged_data);
+        }
+        if (getSupportActionBar() != null) {
+            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+            getSupportActionBar().setDisplayShowHomeEnabled(true);
+            getSupportActionBar().setTitle(title);
+        }
+        SensorLoggerListAdapter adapter = new SensorLoggerListAdapter(results, this);
+        LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false);
+        recyclerView.setLayoutManager(linearLayoutManager);
+
+        DividerItemDecoration itemDecor = new DividerItemDecoration(this, DividerItemDecoration.HORIZONTAL);
+        recyclerView.addItemDecoration(itemDecor);
+        recyclerView.setAdapter(adapter);
+    }
+
+    @Override
+    public void onBackPressed() {
+        finish();
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case android.R.id.home:
+                finish();
+                return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+}

app/src/main/java/io/pslab/activity/LuxMeterActivity.java

@@ -30,19 +30,18 @@
 import android.widget.TextView;
 import android.widget.Toast;
 
+import butterknife.BindView;
+import butterknife.ButterKnife;
 import io.pslab.R;
 import io.pslab.fragment.LuxMeterFragmentConfig;
 import io.pslab.fragment.LuxMeterFragmentData;
+import io.pslab.fragment.SettingsFragment;
 import io.pslab.others.CSVLogger;
 import io.pslab.others.CustomSnackBar;
 import io.pslab.others.GPSLogger;
 import io.pslab.others.MathUtils;
-import io.pslab.fragment.SettingsFragment;
 import io.pslab.others.SwipeGestureDetector;
 
-import butterknife.BindView;
-import butterknife.ButterKnife;
-
 public class LuxMeterActivity extends AppCompatActivity {
 
     private static final String PREF_NAME = "customDialogPreference";
@@ -85,13 +84,16 @@ public class LuxMeterActivity extends AppCompatActivity {
     private boolean checkGpsOnResume = false;
     public boolean locationPref;
     private LuxMeterFragmentData selectedFragment;
+    public static final String NAME = "realmData";
+    private SharedPreferences realmPreferences;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_lux_main);
         ButterKnife.bind(this);
         setSupportActionBar(toolbar);
+        realmPreferences = getSharedPreferences(NAME, Context.MODE_PRIVATE);
         setUpBottomSheet();
         bottomNavigationView.setOnNavigationItemSelectedListener
                 (new BottomNavigationView.OnNavigationItemSelectedListener() {
@@ -215,36 +217,34 @@ public boolean onPrepareOptionsMenu(Menu menu) {
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
             case R.id.record_data:
-                if (ContextCompat.checkSelfPermission(this,
-                        Manifest.permission.WRITE_EXTERNAL_STORAGE)
-                        != PackageManager.PERMISSION_GRANTED) {
-                    ActivityCompat.requestPermissions(this,
-                            new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, MY_PERMISSIONS_REQUEST_STORAGE_FOR_DATA);
-                    return true;
-                }
                 if (recordData) {
-                    ((LuxMeterFragmentData)selectedFragment).stopSensorFetching();
+                    ((LuxMeterFragmentData) selectedFragment).stopSensorFetching();
                     invalidateOptionsMenu();
+                    Long uniqueRef = realmPreferences.getLong("uniqueCount", 0);
+                    selectedFragment.saveDataInRealm(uniqueRef,locationPref,gpsLogger);
+                    CustomSnackBar.showSnackBar(coordinatorLayout, getString(R.string.exp_data_saved), null, null);
+                    SharedPreferences.Editor editor = realmPreferences.edit();
+                    editor.putLong("uniqueCount", uniqueRef + 1);
+                    editor.commit();
                     recordData = false;
                 } else {
-                    luxLogger = new CSVLogger(getString(R.string.lux_meter));
-                    luxLogger.writeCSVFile("Timestamp,X,Y,Z\n");
-                    recordData = true;
-                    ((LuxMeterFragmentData)selectedFragment).startSensorFetching();
-                   invalidateOptionsMenu();
                     if (locationPref) {
                         gpsLogger = new GPSLogger(this, (LocationManager) getSystemService(Context.LOCATION_SERVICE));
                         if (gpsLogger.isGPSEnabled()) {
                             recordData = true;
-                            CustomSnackBar.showSnackBar(coordinatorLayout, getString(R.string.data_recording_start) + "\n" + getString(R.string.location_enabled), null, null);
+                            ((LuxMeterFragmentData) selectedFragment).startSensorFetching();
+                            invalidateOptionsMenu();
                         } else {
                             checkGpsOnResume = true;
                         }
                         gpsLogger.startFetchingLocation();
                     } else {
                         recordData = true;
-                        CustomSnackBar.showSnackBar(coordinatorLayout, getString(R.string.data_recording_start) + "\n" + getString(R.string.location_disabled), null, null);
+                        ((LuxMeterFragmentData) selectedFragment).startSensorFetching();
+                        invalidateOptionsMenu();
                     }
+                    String snackText = getString(R.string.data_recording_start)+"\n"+(locationPref?getString(R.string.location_enabled):getString(R.string.location_disabled));
+                    CustomSnackBar.showSnackBar(coordinatorLayout, snackText, null, null);
                 }
                 break;
             case R.id.show_map:
@@ -260,6 +260,12 @@ public boolean onOptionsItemSelected(MenuItem item) {
                 break;
             case R.id.settings:
                 startActivity(new Intent(this, SettingsActivity.class));
+                break;
+            case R.id.show_logged_data:
+                Intent intent = new Intent(this, DataLoggerActivity.class);
+                intent.putExtra(DataLoggerActivity.CALLER_ACTIVITY, "Lux Meter");
+                startActivity(intent);
+
                 break;
             default:
                 break;
@@ -273,38 +279,27 @@ protected void onResume() {
         if (checkGpsOnResume) {
             if (gpsLogger.isGPSEnabled()) {
                 recordData = true;
-                CustomSnackBar.showSnackBar(coordinatorLayout, getString(R.string.data_recording_start), null, null);
+                ((LuxMeterFragmentData) selectedFragment).startSensorFetching();
+                invalidateOptionsMenu();
+                gpsLogger.startFetchingLocation();
+                CustomSnackBar.showSnackBar(coordinatorLayout,getString(R.string.data_recording_start)+getString(R.string.location_enabled) , null, null);
             } else {
                 recordData = false;
                 Toast.makeText(getApplicationContext(), getString(R.string.gps_not_enabled),
                         Toast.LENGTH_SHORT).show();
+                gpsLogger.removeUpdate();
             }
+            checkGpsOnResume = false;
         }
         locationPref = PreferenceManager.getDefaultSharedPreferences(getBaseContext()).getBoolean(SettingsFragment.KEY_INCLUDE_LOCATION, false);
+        if(!locationPref && gpsLogger!=null){
+            gpsLogger = null;
+        }
     }
 
     @Override
     public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
-        if (requestCode == MY_PERMISSIONS_REQUEST_STORAGE_FOR_DATA) {
-            if (grantResults.length > 0
-                    && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
-                if (locationPref) {
-                    gpsLogger = new GPSLogger(this, (LocationManager) getSystemService(Context.LOCATION_SERVICE));
-                    if (gpsLogger.isGPSEnabled()) {
-                        recordData = true;
-                        CustomSnackBar.showSnackBar(coordinatorLayout, getString(R.string.data_recording_start) + "\n" + getString(R.string.location_enabled), null, null);
-                    } else {
-                        checkGpsOnResume = true;
-                    }
-                    gpsLogger.startFetchingLocation();
-                } else {
-                    recordData = true;
-                    CustomSnackBar.showSnackBar(coordinatorLayout, getString(R.string.data_recording_start) + "\n" + getString(R.string.location_disabled), null, null);
-                }
-            } else {
-                Toast.makeText(this, R.string.prmsn_denied_storage, Toast.LENGTH_SHORT).show();
-            }
-        } else if (requestCode == MY_PERMISSIONS_REQUEST_STORAGE_FOR_MAPS
+        if (requestCode == MY_PERMISSIONS_REQUEST_STORAGE_FOR_MAPS
                 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
             Intent MAP = new Intent(getApplicationContext(), MapsActivity.class);
             startActivity(MAP);

app/src/main/java/io/pslab/activity/MainActivity.java

@@ -270,6 +270,12 @@ public boolean onNavigationItemSelected(@NonNull MenuItem item) {
                     case R.id.nav_app_version:
                         setTitleColor(R.color.gray);
                         break;
+                    case R.id.sensor_data_logger:
+                        if (drawer != null) {
+                            drawer.closeDrawers();
+                        }
+                        startActivity(new Intent(MainActivity.this, DataLoggerActivity.class));
+                        break;
                     default:
                         navItemIndex = 0;
                 }