continuous logging added to multimeter (#1767)

* continuous logging added to multimeter

* hardcoded dimensions removed

Author: neel1998

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

@@ -21,6 +21,7 @@
 import io.pslab.fragment.BaroMeterSettingsFragment;
 import io.pslab.fragment.GyroscopeSettingsFragment;
 import io.pslab.fragment.LuxMeterSettingFragment;
+import io.pslab.fragment.MultimeterSettingsFragment;
 import io.pslab.fragment.SettingsFragment;
 import io.pslab.fragment.ThermometerSettingsFragment;
 import io.pslab.models.PSLabSensor;
@@ -72,6 +73,9 @@ protected void onCreate(Bundle savedInstanceState) {
             case PSLabSensor.THERMOMETER_CONFIGURATIONS:
                 fragment = new ThermometerSettingsFragment();
                 break;
+            case "Multimeter Configurations":
+                fragment = new MultimeterSettingsFragment();
+                break;
             default:
                 fragment = new SettingsFragment();
                 break;

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

@@ -0,0 +1,86 @@
+package io.pslab.fragment;
+
+import android.annotation.SuppressLint;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.support.v7.preference.CheckBoxPreference;
+import android.support.v7.preference.EditTextPreference;
+import android.support.v7.preference.PreferenceFragmentCompat;
+import android.support.v7.preference.PreferenceManager;
+import android.widget.Toast;
+
+import io.pslab.R;
+import io.pslab.others.PSLabPermission;
+
+public class MultimeterSettingsFragment extends PreferenceFragmentCompat implements SharedPreferences.OnSharedPreferenceChangeListener {
+
+    public static final String KEY_INCLUDE_LOCATION = "include_location_sensor_data";
+    public static final String KEY_UPDATE_PERIOD = "setting_multimeter_update_period";
+
+    private PSLabPermission psLabPermission;
+
+    private EditTextPreference updatePeriodPref;
+    private CheckBoxPreference locationPreference;
+    private SharedPreferences sharedPref;
+
+    @Override
+    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
+        setPreferencesFromResource(R.xml.multimeter_settings, rootKey);
+        updatePeriodPref = (EditTextPreference) getPreferenceScreen().findPreference(KEY_UPDATE_PERIOD);
+        locationPreference = (CheckBoxPreference) getPreferenceScreen().findPreference(KEY_INCLUDE_LOCATION);
+        sharedPref = PreferenceManager.getDefaultSharedPreferences(getActivity());
+
+        psLabPermission = PSLabPermission.getInstance();
+        if (!psLabPermission.checkPermissions(getActivity(), PSLabPermission.MAP_PERMISSION)) {
+            SharedPreferences.Editor editor = sharedPref.edit();
+            editor.putBoolean(MultimeterSettingsFragment.KEY_INCLUDE_LOCATION, true);
+            editor.apply();
+        }
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        locationPreference.setChecked(sharedPref.getBoolean(KEY_INCLUDE_LOCATION, true));
+        updatePeriodPref.setSummary(updatePeriodPref.getText() + " ms");
+        getPreferenceScreen().getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        getPreferenceScreen().getSharedPreferences().unregisterOnSharedPreferenceChangeListener(this);
+    }
+
+    @SuppressLint("ApplySharedPref")
+    @Override
+    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String s) {
+        switch (s) {
+            case KEY_INCLUDE_LOCATION:
+                if (locationPreference.isChecked()) {
+                    psLabPermission.checkPermissions(
+                            getActivity(), PSLabPermission.MAP_PERMISSION);
+                }
+                break;
+            case KEY_UPDATE_PERIOD:
+                try {
+                    Integer updatePeriod = Integer.parseInt(updatePeriodPref.getText());
+                    if (updatePeriod > 2000 || updatePeriod < 100) {
+                        throw new NumberFormatException();
+                    } else {
+                        updatePeriodPref.setSummary(String.valueOf(updatePeriod) + " ms");
+                    }
+                } catch (NumberFormatException e) {
+                    Toast.makeText(getActivity(), getActivity().getResources().getString(R.string.update_period_msg), Toast.LENGTH_SHORT).show();
+                    updatePeriodPref.setSummary("1000 ms");
+                    updatePeriodPref.setText("1000");
+                    SharedPreferences.Editor editor = sharedPref.edit();
+                    editor.putString(s, "1000");
+                    editor.commit();
+                }
+                break;
+            default:
+                break;
+        }
+    }
+}