Java tutorial
package com.microhealthllc.mbmicalc;/* * Copyright Txus Ballesteros 2015 (@txusballesteros) * * This file is part of some open source application. * * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * * Contact: Txus Ballesteros <txus.ballesteros@gmail.com> */ import android.app.AlertDialog; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.SharedPreferences; import android.content.res.Configuration; import android.graphics.Color; import android.os.Bundle; import android.support.design.widget.NavigationView; import android.support.v4.widget.DrawerLayout; import android.support.v7.app.ActionBarDrawerToggle; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.DefaultItemAnimator; import android.support.v7.widget.LinearLayoutManager; import android.support.v7.widget.RecyclerView; import android.transition.Slide; import android.util.Log; import android.view.Gravity; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.widget.Button; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; import com.afollestad.materialdialogs.MaterialDialog; import com.microhealthllc.About; import com.microhealthllc.mbmicalc.DB.BmiLogs; import com.microhealthllc.mbmicalc.DB.DBHandler; import com.microhealthllc.mbmicalc.chart.ColorArcProgressBar; import com.microhealthllc.mbmicalc.chart.LineColumnDependencyActivity; import com.microhealthllc.mbmicalc.chart.SimpleLineChart; import com.microhealthllc.mbmicalc.floatbutton.FloatingActionButton; import com.microhealthllc.mbmicalc.floatbutton.FloatingActionMenu; import com.yarolegovich.lovelydialog.LovelyStandardDialog; import java.text.DecimalFormat; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Calendar; import java.util.Date; import java.util.List; import java.util.Locale; import lecho.lib.hellocharts.model.ColumnChartData; import lecho.lib.hellocharts.model.LineChartData; import lecho.lib.hellocharts.view.ColumnChartView; import lecho.lib.hellocharts.view.LineChartView; public class BmiChartyellow extends AppCompatActivity { private FloatingActionMenu menumainred; private FloatingActionButton enteredit_fab; private FloatingActionButton weight_graphfab; private FloatingActionButton bmi_logsfab; private FloatingActionButton bmi_info; private List<LogModel> logList = new ArrayList<>(); private RecyclerView recyclerView; private LogListAdapter mAdapter; private ActionBarDrawerToggle mDrawerToggle; private DrawerLayout mDrawerLayout; private NavigationView mNavigationView; Button viewmore; public final static String[] months = new String[] { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", }; public final static String[] days = new String[] { "Mon", "Tue", "Wen", "Thu", "Fri", "Sat", "Sun", }; private LineChartView chartTop; private ColumnChartView chartBottom; private LineChartData lineData; private ColumnChartData columnData; TextView bmitext; TextView bmi_note; ///Title Bar Data TextView displayname; TextView displayheight; TextView displayweight; TextView displaybmi; TextView lastactivty; int metrics = 0; private ColorArcProgressBar bar1; double bmi; DecimalFormat df = new DecimalFormat("#.##"); Double gotWeight = 0.0; Double gotheight = 0.0; Double gotinches = 0.0; Double heightfeetsandinches; public static final String MetricSettings = "MetricSettings"; SharedPreferences sharedpreferences; ListView listView; SimpleLineChart mSimpleLineChart; DBHandler db; ArrayList<String> weightter; SharedPreferences.Editor editor; SharedPreferences sharedPref; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.bmichartyellow); bar1 = (ColorArcProgressBar) findViewById(R.id.bar1); menumainred = (FloatingActionMenu) findViewById(R.id.menu_red); bmi_note = (TextView) findViewById(R.id.bmi_note); bmitext = (TextView) findViewById(R.id.bmi_display); displayname = (TextView) findViewById(R.id.displayname); displayheight = (TextView) findViewById(R.id.display_height); displayweight = (TextView) findViewById(R.id.display_weight); displaybmi = (TextView) findViewById(R.id.display_bmi); weightter = new ArrayList<>(); db = new DBHandler(this); enteredit_fab = (FloatingActionButton) findViewById(R.id.enter_edit_data); weight_graphfab = (FloatingActionButton) findViewById(R.id.bmi_graph); bmi_logsfab = (FloatingActionButton) findViewById(R.id.bmi_logs); bmi_info = (FloatingActionButton) findViewById(R.id.bmi_info); lastactivty = (TextView) findViewById(R.id.last_activity); recyclerView = (RecyclerView) findViewById(R.id.recycler_view); // unit_settingsfab = (FloatingActionButton) findViewById(R.id.unitsettings); // Enable the Up button // ab.setDisplayHomeAsUpEnabled(true); viewmore = (Button) findViewById(R.id.view_more); if (getSupportActionBar() != null) { getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportActionBar().setHomeButtonEnabled(true); getSupportActionBar().setTitle("BMI Calculator"); } // ab.setDisplayHomeAsUpEnabled(true); setUpNavigationDrawer(); mAdapter = new LogListAdapter(logList); RecyclerView.LayoutManager mLayoutManager = new LinearLayoutManager(getApplicationContext()); recyclerView.setLayoutManager(mLayoutManager); recyclerView.setItemAnimator(new DefaultItemAnimator()); recyclerView.setAdapter(mAdapter); // *** TOP LINE CHART *** // chartTop = (LineChartView) findViewById(R.id.chart_top); // generateInitialLineData(); sharedPref = this.getSharedPreferences(getString(R.string.preference_file_key), Context.MODE_PRIVATE); Log.i("Get curr time", getDateTimeforLastActivity()); SharedPreferences SP = getSharedPreferences(getString(R.string.preference_file_key), Context.MODE_PRIVATE); metrics = SP.getInt(getString(R.string.metric_settings), 0); viewmore.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent i = new Intent(BmiChartyellow.this, LogActivity.class); startActivity(i); } }); if (sharedPref.getString(getString(R.string.last_activity), "").isEmpty()) { lastactivty.setText(sharedPref.getString(getString(R.string.last_activity), "")); } Bundle bundle = getIntent().getExtras(); if (bundle != null) { gotheight = bundle.getDouble("height"); gotWeight = bundle.getDouble("weight"); bmifunc(gotheight, gotWeight); } else { bar1.setCurrentValues(Double.parseDouble(sharedPref.getString(getString(R.string.display_bmi), "0.0"))); // Log.i("getweight gotheight", gotheight+","+gotWeight); bmi_note.setText(sharedPref.getString(getString(R.string.display_note), "normal")); displayheight.setText(sharedPref.getString(getString(R.string.display_height), "0")); displayweight.setText(sharedPref.getString(getString(R.string.display_weight), "0")); displaybmi.setText(sharedPref.getString(getString(R.string.display_bmi), "0.0")); } displayname.setText(SP.getString(getString(R.string.metric_user_name), "User")); enteredit_fab.setOnClickListener(clickListener); weight_graphfab.setOnClickListener(clickListener); bmi_logsfab.setOnClickListener(clickListener); bmi_info.setOnClickListener(clickListener); // unit_settingsfab.setOnClickListener(clickListener); prepareMovieData(); } @Override public boolean onCreateOptionsMenu(Menu menu) { MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.menu_main, menu); return true; } @Override public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); } @Override public boolean onOptionsItemSelected(MenuItem item) { if (item.getItemId() == android.R.id.home) { if (mDrawerLayout.isDrawerOpen(mNavigationView)) { mDrawerLayout.closeDrawer(mNavigationView); } else { mDrawerLayout.openDrawer(mNavigationView); } } return super.onOptionsItemSelected(item); } public void bmifunc(double height, double weight) { try { } catch (NumberFormatException e) { AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setMessage(getString(R.string.error_enter_valid)).setPositiveButton(getString(R.string.ok_bro), new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { } }); // Create the AlertDialog object and return it builder.create(); builder.show(); return; } try { bmi = calcBMI(height, weight, this, metrics); // Log.i("BMI data", ""+bmi); // Log.i("BMI data metric", ""+metrics); } catch (IllegalArgumentException e) { AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setMessage(e.getMessage()).setPositiveButton(getString(R.string.ok_bro), new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { } }); builder.create(); builder.show(); return; } ; // bmitext.setText( df.format(bmi).toString()); bar1.setcolors(Color.YELLOW, Color.YELLOW, Color.YELLOW); bar1.setcolor3(Color.YELLOW); bar1.setcolor1(Color.YELLOW); bar1.setcolor2(Color.YELLOW); bar1.setCurrentValues(bmi); // Log.i("getweight gotheight", gotheight+","+gotWeight); bmi_note.setText(getString(BMIUtils.getJudgement(bmi))); displayheight.setText(String.format("%.0f", height)); displayweight.setText(String.format("%.0f", weight)); displaybmi.setText(String.format("%.1f", bmi)); editor = sharedPref.edit(); editor.putString(getString(R.string.display_height), String.format("%.0f", height)); editor.putString(getString(R.string.display_weight), String.format("%.0f", weight)); editor.putString(getString(R.string.display_note), getString(BMIUtils.getJudgement(bmi))); editor.putString(getString(R.string.display_bmi), String.format("%.1f", bmi)); editor.apply(); try { // if(getDateTime().equals()) if (db.getLast().getDateTime() == null) { db.addLog(new BmiLogs(String.format("%.1f", bmi), String.format("%.0f", weight), getDateTime())); lastactivty.setText("" + getDateTimeforLastActivity()); editor.putString(getString(R.string.last_activity), getDateTimeforLastActivity()); editor.apply(); } else if (db.getLast().getDateTime().equals(getDateTime())) { Log.i("Equals", "" + db.getLast().getDateTime().equals(getDateTime())); db.updateLastEntry(db.getLast().getId(), String.format("%.1f", bmi), String.format("%.0f", weight), getDateTime()); lastactivty.setText("" + getDateTimeforLastActivity()); editor.putString(getString(R.string.last_activity), getDateTimeforLastActivity()); editor.apply(); } else { db.addLog(new BmiLogs(String.format("%.1f", bmi), String.format("%.0f", weight), getDateTime())); lastactivty.setText("" + getDateTimeforLastActivity()); editor.putString(getString(R.string.last_activity), getDateTimeforLastActivity()); editor.apply(); } // Log.i("datetime",) ; } catch (Exception e) { Log.d("Error Exception", e.toString()); } } public String getDateTime() { Calendar calendar = Calendar.getInstance(); Date date = calendar.getTime(); SimpleDateFormat dateFormat = new SimpleDateFormat("EE MM/dd", Locale.getDefault()); //Date date = new Date(); return dateFormat.format(date); } public String getDateTimeforLastActivity() { Calendar calendar = Calendar.getInstance(); Date date = calendar.getTime(); SimpleDateFormat dateFormat = new SimpleDateFormat("EEE, MM.dd h:mm a", Locale.getDefault()); //Date date = new Date(); return dateFormat.format(date); } private void showToast(int message) { Toast.makeText(this, message + "", Toast.LENGTH_SHORT); } private View.OnClickListener clickListener = new View.OnClickListener() { @Override public void onClick(View v) { switch (v.getId()) { case R.id.enter_edit_data: { SharedPreferences SP = getSharedPreferences(MetricSettings, Context.MODE_PRIVATE); metrics = SP.getInt(getString(R.string.metric_settings), 0); Intent i = new Intent(BmiChartyellow.this, BasicSettings.class); startActivity(i); } break; case R.id.bmi_graph: Intent i = new Intent(BmiChartyellow.this, LineColumnDependencyActivity.class); startActivity(i); break; /* case R.id.unitsettings: // MaterialDialog.Builder builder = new MaterialDialog.Builder(BmiChart.this); Intent set = new Intent(BmiChart.this, BasicSettings.class); startActivity(set); // unitoptions(); break;*/ case R.id.bmi_logs: Intent it = new Intent(BmiChartyellow.this, LogActivity.class); startActivity(it); break; case R.id.bmi_info: startActivity(new Intent(BmiChartyellow.this, AdditionalBMIinfo.class)); } } }; public double calcBMI(double height, double weight, Context ctx, int metric) { double bmiresults; if (height <= 0 || weight <= 0) { throw new IllegalArgumentException(ctx.getString(R.string.error_less_than_zero)); } else { if (metric == 1) { double weightindex = weight; double heightindex = height; Log.i("weightindex heightIndex", weightindex + "," + heightindex); Log.i("metric", metric + ""); bmiresults = (weightindex) / (heightindex * heightindex); Log.i("bmiresults", bmiresults + ""); return bmiresults; } else { // double weightindex = weight * 0.45; // double heightindex = height * 0.025; Log.i("metric", metric + ""); Log.i("weightindex heightIndex", weight + "," + height); bmiresults = ((weight) / (height * height)) * 703; Log.i("bmiresults", bmiresults + ""); return bmiresults; } } // Log.i("result",bmiresults+""); // Log.i("result metric",metric+""); } @Override public void onBackPressed() { if (mDrawerLayout.isDrawerOpen(mNavigationView)) { mDrawerLayout.closeDrawer(mNavigationView); } else { super.onBackPressed(); } } public void unitoptions() { new MaterialDialog.Builder(this).title(R.string.selectunits).items(R.array.metricoptions) .itemsCallbackSingleChoice(-1, new MaterialDialog.ListCallbackSingleChoice() { @Override public boolean onSelection(MaterialDialog dialog, View view, int which, CharSequence text) { SharedPreferences.Editor editor; sharedpreferences = getSharedPreferences(MetricSettings, Context.MODE_PRIVATE); editor = sharedpreferences.edit(); editor.putInt("metric_unit", which); editor.commit(); return true; } }).positiveText(R.string.ok).show(); } private void setUpNavigationDrawer() { /* Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); ActionBar actionBar = getSupportActionBar(); try { assert actionBar != null; actionBar.setDisplayHomeAsUpEnabled(true); actionBar.setHomeButtonEnabled(true); actionBar.setSubtitle(getString(R.string.subtitle)); actionBar.setDisplayShowTitleEnabled(true); } catch (Exception ignored) { } */ mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout); mNavigationView = (NavigationView) findViewById(R.id.navigation_view); mNavigationView.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() { @Override public boolean onNavigationItemSelected(MenuItem menuItem) { menuItem.setChecked(true); switch (menuItem.getItemId()) { case R.id.navigation_item_1: // mCurrentSelectedPosition = 0; break; case R.id.navigation_item_2: // mCurrentSelectedPosition = 1; Intent i = new Intent(BmiChartyellow.this, BasicSettings.class); startActivity(i); break; case R.id.navigation_item_3: // mCurrentSelectedPosition = 2; Intent j = new Intent(BmiChartyellow.this, LogActivity.class); startActivity(j); break; case R.id.navigation_item_4: // mCurrentSelectedPosition = 3; new LovelyStandardDialog(BmiChartyellow.this).setTopColorRes(R.color.accent) .setButtonsColorRes(R.color.accent) .setTitle("Warning!!") .setMessage(" This will delete all stored data,This cannot be undone") .setPositiveButton(android.R.string.ok, new View.OnClickListener() { @Override public void onClick(View v) { Toast.makeText(BmiChartyellow.this, "positive clicked", Toast.LENGTH_SHORT) .show(); Intent i = new Intent(BmiChartyellow.this, BmiChartyellow.class); startActivity(i); } }).setNegativeButton(android.R.string.no, null).show(); break; case R.id.navigation_item_5: Intent about = new Intent(BmiChartyellow.this, About.class); startActivity(about); break; case R.id.navigation_item_6: Intent js = new Intent(BmiChartyellow.this, LineColumnDependencyActivity.class); startActivity(js); break; case R.id.bmi_info: startActivity(new Intent(BmiChartyellow.this, AdditionalBMIinfo.class)); } // setTabs(mCurrentSelectedPosition + 1); mDrawerLayout.closeDrawer(mNavigationView); return true; } }); mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.string.drawer_open, R.string.drawer_close) { public void onDrawerOpened(View drawerView) { super.onDrawerOpened(drawerView); //getSupportActionBar().setTitle(getString(R.string.drawer_opened)); invalidateOptionsMenu(); } public void onDrawerClosed(View view) { super.onDrawerClosed(view); //getSupportActionBar().setTitle(mActivityTitle); invalidateOptionsMenu(); } }; mDrawerToggle.setDrawerIndicatorEnabled(true); mDrawerLayout.setDrawerListener(mDrawerToggle); mDrawerToggle.syncState(); } @Override protected void onPostCreate(Bundle savedInstanceState) { super.onPostCreate(savedInstanceState); mDrawerToggle.syncState(); } private void prepareMovieData() { LogModel loghistory; try { // Reading all shops Log.d("Reading:", "Reading all Logs."); List<BmiLogs> logs = db.getAllShops(); // for (BmiLogs log : logs) { // loghistory = new LogModel(log.getBmi(), log.getWeight(), log.getDateTime()); // for (int i = logs.size() - 1; i > logs.size() - 3; i--) { loghistory = new LogModel(logs.get(i).getBmi(), logs.get(i).getWeight(), logs.get(i).getDateTime()); logList.add(loghistory); } // Writing shops to log // Log.d("BMILO: : ", "weight:" + log.getWeight() + " BMI:" + log.getBmi() + " DateTime:" + log.getDateTime()); // } } catch (Exception e) { Log.i("Thisexcept", e.toString()); } mAdapter.notifyDataSetChanged(); } }