Java tutorial
/* * Copyright (C) 2016 Glucosio Foundation * * This file is part of Glucosio. * * Glucosio is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, version 3. * * Glucosio is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Glucosio. If not, see <http://www.gnu.org/licenses/>. * * */ package org.glucosio.android.fragment; import android.Manifest; import android.app.Dialog; import android.content.SharedPreferences; import android.content.pm.PackageManager; import android.graphics.Color; import android.os.Build; import android.os.Bundle; import android.preference.PreferenceManager; import android.support.annotation.NonNull; import android.support.design.widget.Snackbar; import android.support.v4.app.ActivityCompat; import android.support.v4.app.Fragment; import android.support.v4.content.ContextCompat; import android.view.LayoutInflater; import android.view.MotionEvent; import android.view.View; import android.view.ViewGroup; import android.view.Window; import android.view.WindowManager; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.CheckBox; import android.widget.CompoundButton; import android.widget.ImageButton; import android.widget.ListView; import android.widget.Spinner; import android.widget.TextView; import com.github.mikephil.charting.animation.Easing; import com.github.mikephil.charting.charts.LineChart; import com.github.mikephil.charting.components.Legend; import com.github.mikephil.charting.components.LimitLine; import com.github.mikephil.charting.components.XAxis; import com.github.mikephil.charting.components.YAxis; import com.github.mikephil.charting.data.Entry; import com.github.mikephil.charting.data.LineData; import com.github.mikephil.charting.data.LineDataSet; import org.glucosio.android.GlucosioApplication; import org.glucosio.android.R; import org.glucosio.android.adapter.A1cEstimateAdapter; import org.glucosio.android.presenter.OverviewPresenter; import org.glucosio.android.tools.FormatDateTime; import org.glucosio.android.tools.GlucoseRanges; import org.glucosio.android.tools.GlucosioConverter; import org.glucosio.android.tools.TipsManager; import org.glucosio.android.view.OverviewView; import java.text.NumberFormat; import java.util.ArrayList; import java.util.List; public class OverviewFragment extends Fragment implements OverviewView { private static final int PERMISSIONS_REQUEST_WRITE_EXTERNAL_STORAGE = 0; private ImageButton HB1ACMoreButton; private LineChart chart; private TextView lastReadingTextView; private TextView lastDateTextView; private TextView tipTextView; private TextView HB1ACTextView; private TextView HB1ACDateTextView; private Spinner graphSpinnerRange; private OverviewPresenter presenter; private CheckBox graphCheckboxGlucose; private CheckBox graphCheckboxKetones; private CheckBox graphCheckboxCholesterol; private CheckBox graphCheckboxA1c; private CheckBox graphCheckboxWeight; private CheckBox graphCheckboxPressure; private View mFragmentView; public static OverviewFragment newInstance() { return new OverviewFragment(); } public static void disableTouchTheft(View view) { view.setOnTouchListener(new View.OnTouchListener() { @Override public boolean onTouch(View view, MotionEvent motionEvent) { view.getParent().requestDisallowInterceptTouchEvent(true); switch (motionEvent.getAction() & MotionEvent.ACTION_MASK) { case MotionEvent.ACTION_UP: view.getParent().requestDisallowInterceptTouchEvent(false); break; } return false; } }); } public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { GlucosioApplication app = (GlucosioApplication) getActivity().getApplicationContext(); presenter = new OverviewPresenter(this, app.getDBHandler()); if (!presenter.isdbEmpty()) { presenter.loadDatabase(isNewGraphEnabled()); } mFragmentView = inflater.inflate(R.layout.fragment_overview, container, false); chart = (LineChart) mFragmentView.findViewById(R.id.chart); disableTouchTheft(chart); Legend legend = chart.getLegend(); lastReadingTextView = (TextView) mFragmentView.findViewById(R.id.item_history_reading); lastDateTextView = (TextView) mFragmentView.findViewById(R.id.fragment_overview_last_date); tipTextView = (TextView) mFragmentView.findViewById(R.id.random_tip_textview); graphSpinnerRange = (Spinner) mFragmentView.findViewById(R.id.chart_spinner_range); Spinner graphSpinnerMetric = (Spinner) mFragmentView.findViewById(R.id.chart_spinner_metrics); ImageButton graphExport = (ImageButton) mFragmentView.findViewById(R.id.fragment_overview_graph_export); HB1ACTextView = (TextView) mFragmentView.findViewById(R.id.fragment_overview_hb1ac); HB1ACDateTextView = (TextView) mFragmentView.findViewById(R.id.fragment_overview_hb1ac_date); HB1ACMoreButton = (ImageButton) mFragmentView.findViewById(R.id.fragment_overview_a1c_more); graphCheckboxGlucose = (CheckBox) mFragmentView.findViewById(R.id.fragment_overview_graph_glucose); graphCheckboxKetones = (CheckBox) mFragmentView.findViewById(R.id.fragment_overview_graph_ketones); graphCheckboxCholesterol = (CheckBox) mFragmentView.findViewById(R.id.fragment_overview_graph_cholesterol); graphCheckboxA1c = (CheckBox) mFragmentView.findViewById(R.id.fragment_overview_graph_a1c); graphCheckboxWeight = (CheckBox) mFragmentView.findViewById(R.id.fragment_overview_graph_weight); graphCheckboxPressure = (CheckBox) mFragmentView.findViewById(R.id.fragment_overview_graph_pressure); graphCheckboxGlucose.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton compoundButton, boolean b) { setData(); graphCheckboxWeight.setChecked(false); graphCheckboxCholesterol.setChecked(false); graphCheckboxKetones.setChecked(false); graphCheckboxPressure.setChecked(false); graphCheckboxWeight.setChecked(false); graphCheckboxA1c.setChecked(false); graphCheckboxGlucose.setChecked(b); } }); graphCheckboxA1c.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton compoundButton, boolean b) { setData(); graphCheckboxGlucose.setChecked(false); graphCheckboxWeight.setChecked(false); graphCheckboxCholesterol.setChecked(false); graphCheckboxKetones.setChecked(false); graphCheckboxPressure.setChecked(false); graphCheckboxWeight.setChecked(false); graphSpinnerRange.setEnabled(!b); graphCheckboxA1c.setChecked(b); } }); graphCheckboxKetones.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton compoundButton, boolean b) { setData(); graphCheckboxGlucose.setChecked(false); graphCheckboxWeight.setChecked(false); graphCheckboxCholesterol.setChecked(false); graphCheckboxPressure.setChecked(false); graphCheckboxWeight.setChecked(false); graphCheckboxA1c.setChecked(false); graphSpinnerRange.setEnabled(!b); graphCheckboxKetones.setChecked(b); } }); graphCheckboxWeight.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton compoundButton, boolean b) { setData(); graphCheckboxGlucose.setChecked(false); graphCheckboxWeight.setChecked(false); graphCheckboxCholesterol.setChecked(false); graphCheckboxKetones.setChecked(false); graphCheckboxPressure.setChecked(false); graphCheckboxA1c.setChecked(false); graphSpinnerRange.setEnabled(!b); graphCheckboxWeight.setChecked(b); } }); graphCheckboxPressure.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton compoundButton, boolean b) { setData(); graphCheckboxGlucose.setChecked(false); graphCheckboxWeight.setChecked(false); graphCheckboxCholesterol.setChecked(false); graphCheckboxKetones.setChecked(false); graphCheckboxWeight.setChecked(false); graphCheckboxA1c.setChecked(false); graphSpinnerRange.setEnabled(!b); graphCheckboxPressure.setChecked(b); } }); graphCheckboxCholesterol.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton compoundButton, boolean b) { setData(); graphCheckboxGlucose.setChecked(false); graphCheckboxWeight.setChecked(false); graphCheckboxKetones.setChecked(false); graphCheckboxPressure.setChecked(false); graphCheckboxWeight.setChecked(false); graphCheckboxA1c.setChecked(false); graphSpinnerRange.setEnabled(!b); graphCheckboxCholesterol.setChecked(b); } }); HB1ACMoreButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { showA1cDialog(); } }); // Set array and adapter for graphSpinnerRange String[] selectorRangeArray = getActivity().getResources() .getStringArray(R.array.fragment_overview_selector_range); String[] selectorMetricArray = getActivity().getResources() .getStringArray(R.array.fragment_overview_selector_metric); ArrayAdapter<String> dataRangeAdapter = new ArrayAdapter<>(getActivity(), android.R.layout.simple_spinner_item, selectorRangeArray); ArrayAdapter<String> dataMetricAdapter = new ArrayAdapter<>(getActivity(), android.R.layout.simple_spinner_item, selectorMetricArray); dataRangeAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); dataMetricAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); graphSpinnerRange.setAdapter(dataRangeAdapter); graphSpinnerMetric.setAdapter(dataMetricAdapter); graphSpinnerRange.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> parent, View view, int position, long id) { if (!presenter.isdbEmpty()) { setData(); } } @Override public void onNothingSelected(AdapterView<?> parent) { } }); graphSpinnerRange.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> parent, View view, int position, long id) { if (!presenter.isdbEmpty()) { setData(); } } @Override public void onNothingSelected(AdapterView<?> parent) { } }); XAxis xAxis = chart.getXAxis(); xAxis.setDrawGridLines(false); xAxis.setPosition(XAxis.XAxisPosition.BOTTOM); xAxis.setTextColor(getResources().getColor(R.color.glucosio_text_light)); xAxis.setAvoidFirstLastClipping(true); int minGlucoseValue = presenter.getGlucoseMinValue(); int maxGlucoseValue = presenter.getGlucoseMaxValue(); LimitLine ll1; LimitLine ll2; if (("mg/dL").equals(presenter.getUnitMeasuerement())) { ll1 = new LimitLine(minGlucoseValue); ll2 = new LimitLine(maxGlucoseValue); } else { ll1 = new LimitLine((float) GlucosioConverter.glucoseToMmolL(maxGlucoseValue), getString(R.string.reading_high)); ll2 = new LimitLine((float) GlucosioConverter.glucoseToMmolL(minGlucoseValue), getString(R.string.reading_low)); } ll1.setLineWidth(0.8f); ll1.setLineColor(getResources().getColor(R.color.glucosio_reading_low)); ll2.setLineWidth(0.8f); ll2.setLineColor(getResources().getColor(R.color.glucosio_reading_high)); YAxis leftAxis = chart.getAxisLeft(); leftAxis.setTextColor(getResources().getColor(R.color.glucosio_text_light)); leftAxis.setStartAtZero(false); leftAxis.disableGridDashedLine(); leftAxis.setDrawGridLines(false); leftAxis.addLimitLine(ll1); leftAxis.addLimitLine(ll2); leftAxis.setDrawLimitLinesBehindData(true); chart.getAxisRight().setEnabled(false); chart.setBackgroundColor(Color.parseColor("#FFFFFF")); chart.setDescription(""); chart.setGridBackgroundColor(Color.parseColor("#FFFFFF")); if (!presenter.isdbEmpty()) { setData(); } legend.setEnabled(false); graphExport.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (ContextCompat.checkSelfPermission(getActivity(), Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) { // If we don't have permission, ask the user ActivityCompat.requestPermissions(getActivity(), new String[] { Manifest.permission.WRITE_EXTERNAL_STORAGE }, PERMISSIONS_REQUEST_WRITE_EXTERNAL_STORAGE); Snackbar.make(mFragmentView, getString(R.string.fragment_overview_permission_storage), Snackbar.LENGTH_SHORT).show(); } else { // else save the image to gallery exportGraphToGallery(); } } }); loadLastReading(); loadHB1AC(); loadRandomTip(); return mFragmentView; } private void exportGraphToGallery() { long timestamp = System.currentTimeMillis() / 1000; boolean saved = chart.saveToGallery("glucosio_" + timestamp, 50); if (saved) { Snackbar.make(mFragmentView, R.string.fragment_overview_graph_export_true, Snackbar.LENGTH_SHORT) .show(); } else { Snackbar.make(mFragmentView, R.string.fragment_overview_graph_export_false, Snackbar.LENGTH_SHORT) .show(); } } private void setData() { LineData data = new LineData(); if (graphCheckboxGlucose.isChecked()) { data = generateGlucoseData(); } if (graphCheckboxA1c.isChecked()) { data = generateA1cData(); } if (graphCheckboxKetones.isChecked()) { data = generateKetonesData(); } if (graphCheckboxWeight.isChecked()) { data = generateWeightData(); } if (graphCheckboxPressure.isChecked()) { data = generatePressureData(); } if (graphCheckboxCholesterol.isChecked()) { data = generateCholesterolData(); } chart.setData(data); chart.setPinchZoom(true); chart.setHardwareAccelerationEnabled(true); chart.animateY(1000, Easing.EasingOption.EaseOutCubic); chart.invalidate(); chart.notifyDataSetChanged(); chart.fitScreen(); chart.setVisibleXRangeMaximum(20); chart.moveViewToX(data.getXValCount()); } private LineData generateGlucoseData() { List<String> xVals = new ArrayList<>(); List<Entry> yVals = new ArrayList<>(); if (graphSpinnerRange.getSelectedItemPosition() == 0) { // Day view for (int i = 0; i < presenter.getGlucoseReadings().size(); i++) { if (presenter.getUnitMeasuerement().equals("mg/dL")) { float val = Float.parseFloat(presenter.getGlucoseReadings().get(i).toString()); yVals.add(new Entry(val, i)); } else { double val = GlucosioConverter .glucoseToMmolL(Double.parseDouble(presenter.getGlucoseReadings().get(i).toString())); float converted = (float) val; yVals.add(new Entry(converted, i)); } } } else if (graphSpinnerRange.getSelectedItemPosition() == 1) { // Week view for (int i = 0; i < presenter.getGlucoseReadingsWeek().size(); i++) { if (presenter.getUnitMeasuerement().equals("mg/dL")) { float val = Float.parseFloat(presenter.getGlucoseReadingsWeek().get(i) + ""); yVals.add(new Entry(val, i)); } else { double val = GlucosioConverter .glucoseToMmolL(Double.parseDouble(presenter.getGlucoseReadingsWeek().get(i) + "")); float converted = (float) val; yVals.add(new Entry(converted, i)); } } } else { // Month view for (int i = 0; i < presenter.getGlucoseReadingsMonth().size(); i++) { if (presenter.getUnitMeasuerement().equals("mg/dL")) { float val = Float.parseFloat(presenter.getGlucoseReadingsMonth().get(i) + ""); yVals.add(new Entry(val, i)); } else { double val = GlucosioConverter .glucoseToMmolL(Double.parseDouble(presenter.getGlucoseReadingsMonth().get(i) + "")); float converted = (float) val; yVals.add(new Entry(converted, i)); } } } if (graphSpinnerRange.getSelectedItemPosition() == 0) { // Day view for (int i = 0; i < presenter.getGraphGlucoseDateTime().size(); i++) { String date = presenter.convertDate(presenter.getGraphGlucoseDateTime().get(i)); xVals.add(date + ""); } } else if (graphSpinnerRange.getSelectedItemPosition() == 1) { // Week view for (int i = 0; i < presenter.getGlucoseReadingsWeek().size(); i++) { String date = presenter.convertDate(presenter.getGlucoseDatetimeWeek().get(i)); xVals.add(date + ""); } } else { // Month view for (int i = 0; i < presenter.getGlucoseReadingsMonth().size(); i++) { String date = presenter.convertDateToMonth(presenter.getGlucoseDatetimeMonth().get(i)); xVals.add(date + ""); } } return new LineData(xVals, generateLineDataSet(yVals, getResources().getColor(R.color.glucosio_pink))); } private LineData generateA1cData() { ArrayList<String> xVals = new ArrayList<>(); ArrayList<Entry> yVals = new ArrayList<>(); for (int i = 0; i < presenter.getA1cReadings().size(); i++) { float val = Float.parseFloat(presenter.getA1cReadings().get(i).toString()); yVals.add(new Entry(val, i)); } xVals.clear(); for (int i = 0; i < presenter.getA1cReadingsDateTime().size(); i++) { String date = presenter.convertDate(presenter.getA1cReadingsDateTime().get(i)); xVals.add(date + ""); } // create a data object with the datasets return new LineData(xVals, generateLineDataSet(yVals, getResources().getColor(R.color.glucosio_fab_HB1AC))); } private LineData generateKetonesData() { List<String> xVals = new ArrayList<>(); List<Entry> yVals = new ArrayList<>(); for (int i = 0; i < presenter.getKetonesReadings().size(); i++) { float val = Float.parseFloat(presenter.getKetonesReadings().get(i).toString()); yVals.add(new Entry(val, i)); } xVals.clear(); for (int i = 0; i < presenter.getKetonesReadingsDateTime().size(); i++) { String date = presenter.convertDate(presenter.getKetonesReadingsDateTime().get(i)); xVals.add(date + ""); } // create a data object with the datasets return new LineData(xVals, generateLineDataSet(yVals, getResources().getColor(R.color.glucosio_fab_ketones))); } private LineData generateWeightData() { List<String> xVals = new ArrayList<>(); List<Entry> yVals = new ArrayList<>(); for (int i = 0; i < presenter.getWeightReadings().size(); i++) { float val = Float.parseFloat(presenter.getWeightReadings().get(i).toString()); yVals.add(new Entry(val, i)); } xVals.clear(); for (int i = 0; i < presenter.getWeightReadingsDateTime().size(); i++) { String date = presenter.convertDate(presenter.getWeightReadingsDateTime().get(i)); xVals.add(date + ""); } // create a data object with the datasets return new LineData(xVals, generateLineDataSet(yVals, getResources().getColor(R.color.glucosio_fab_weight))); } private LineData generatePressureData() { List<String> xVals = new ArrayList<>(); List<Entry> yValsMax = new ArrayList<>(); List<Entry> yValsMin = new ArrayList<>(); for (int i = 0; i < presenter.getMaxPressureReadings().size(); i++) { float val = Float.parseFloat(presenter.getMaxPressureReadings().get(i).toString()); yValsMax.add(new Entry(val, i)); } for (int i = 0; i < presenter.getMinPressureReadings().size(); i++) { float val = Float.parseFloat(presenter.getMinPressureReadings().get(i).toString()); yValsMin.add(new Entry(val, i)); } xVals.clear(); for (int i = 0; i < presenter.getPressureReadingsDateTime().size(); i++) { String date = presenter.convertDate(presenter.getPressureReadingsDateTime().get(i)); xVals.add(date + ""); } LineData data = new LineData(xVals, generateLineDataSet(yValsMax, getResources().getColor(R.color.glucosio_fab_pressure))); data.addDataSet(generateLineDataSet(yValsMin, getResources().getColor(R.color.glucosio_fab_pressure))); // create a data object with the datasets return data; } private LineData generateCholesterolData() { List<String> xVals = new ArrayList<>(); List<Entry> yVals = new ArrayList<>(); for (int i = 0; i < presenter.getCholesterolReadings().size(); i++) { float val = Float.parseFloat(presenter.getCholesterolReadings().get(i).toString()); yVals.add(new Entry(val, i)); } xVals.clear(); for (int i = 0; i < presenter.getCholesterolReadingsDateTime().size(); i++) { String date = presenter.convertDate(presenter.getCholesterolReadingsDateTime().get(i)); xVals.add(date + ""); } // create a data object with the datasets return new LineData(xVals, generateLineDataSet(yVals, getResources().getColor(R.color.glucosio_fab_cholesterol))); } private LineDataSet generateLineDataSet(List<Entry> yVals, int color) { // create a dataset and give it a type LineDataSet set1 = new LineDataSet(yVals, ""); List<Integer> colors = new ArrayList<>(); if (color == getResources().getColor(R.color.glucosio_pink)) { for (Entry yVal : yVals) { if (yVal.getVal() == (0)) { colors.add(Color.TRANSPARENT); } else { colors.add(color); } } set1.setCircleColors(colors); } else { set1.setCircleColor(color); } set1.setColor(color); set1.setLineWidth(2f); set1.setCircleSize(4f); set1.setDrawCircleHole(true); set1.disableDashedLine(); set1.setFillAlpha(255); set1.setDrawFilled(true); set1.setValueTextSize(0); set1.setValueTextColor(Color.parseColor("#FFFFFF")); set1.setFillDrawable(getResources().getDrawable(R.drawable.graph_gradient)); set1.setHighLightColor(getResources().getColor(R.color.glucosio_gray_light)); set1.setCubicIntensity(0.2f); // TODO: Change this to true when a fix is available // https://github.com/PhilJay/MPAndroidChart/issues/1541 set1.setDrawCubic(false); if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.JELLY_BEAN_MR2) { set1.setDrawFilled(false); set1.setLineWidth(2f); set1.setCircleSize(4f); set1.setDrawCircleHole(true); } return set1; } private void showA1cDialog() { final Dialog a1CDialog = new Dialog(getActivity(), R.style.GlucosioTheme); WindowManager.LayoutParams lp = new WindowManager.LayoutParams(); lp.copyFrom(a1CDialog.getWindow().getAttributes()); a1CDialog.requestWindowFeature(Window.FEATURE_NO_TITLE); lp.width = WindowManager.LayoutParams.MATCH_PARENT; lp.height = WindowManager.LayoutParams.WRAP_CONTENT; a1CDialog.setContentView(R.layout.dialog_a1c); a1CDialog.getWindow().setAttributes(lp); a1CDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND); a1CDialog.getWindow().setDimAmount(0.5f); a1CDialog.setCanceledOnTouchOutside(true); a1CDialog.show(); ListView a1cListView = (ListView) a1CDialog.findViewById(R.id.dialog_a1c_listview); A1cEstimateAdapter customAdapter = new A1cEstimateAdapter(getActivity(), R.layout.dialog_a1c_item, presenter.getA1cEstimateList()); a1cListView.setAdapter(customAdapter); } private void loadHB1AC() { if (!presenter.isdbEmpty()) { HB1ACTextView.setText(presenter.getHB1AC()); HB1ACDateTextView.setText(presenter.getA1cMonth()); // We show the A1C more button only if 2 or more A1C estimates are available if (!presenter.isA1cAvailable(2)) { HB1ACMoreButton.setVisibility(View.GONE); } } } private void loadLastReading() { if (!presenter.isdbEmpty()) { if (presenter.getUnitMeasuerement().equals("mg/dL")) { String reading = presenter.getLastReading(); lastReadingTextView.setText(getString(R.string.mg_dL_value, reading)); } else { String mgdl = presenter.getLastReading(); double mmol = GlucosioConverter.glucoseToMmolL(Double.parseDouble(mgdl)); String reading = NumberFormat.getInstance().format(mmol); lastReadingTextView.setText(getString(R.string.mmol_L_value, reading)); } FormatDateTime dateTime = new FormatDateTime(getActivity().getApplicationContext()); lastDateTextView.setText(dateTime.convertDate(presenter.getLastDateTime())); GlucoseRanges ranges = new GlucoseRanges(getActivity().getApplicationContext()); String color = ranges.colorFromReading(Integer.parseInt(presenter.getLastReading())); lastReadingTextView.setTextColor(ranges.stringToColor(color)); } } private void loadRandomTip() { TipsManager tipsManager = new TipsManager(getActivity().getApplicationContext(), presenter.getUserAge()); tipTextView.setText(presenter.getRandomTip(tipsManager)); } private boolean isNewGraphEnabled() { SharedPreferences sharedPref = PreferenceManager .getDefaultSharedPreferences(getActivity().getApplicationContext()); return !sharedPref.getBoolean("pref_graph_old", false); } @NonNull public String convertDate(@NonNull final String date) { FormatDateTime dateTime = new FormatDateTime(getActivity().getApplicationContext()); return dateTime.convertDate(date); } @NonNull public String convertDateToMonth(@NonNull final String date) { FormatDateTime dateTime = new FormatDateTime((getActivity().getApplication())); return dateTime.convertDateToMonthOverview(date); } @Override public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) { switch (requestCode) { case PERMISSIONS_REQUEST_WRITE_EXTERNAL_STORAGE: { // If request is cancelled, the result arrays are empty. if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) { // permission was granted, yay! exportGraphToGallery(); } else { Snackbar.make(mFragmentView, R.string.fragment_overview_permission_storage, Snackbar.LENGTH_LONG) .show(); } } } } }