Android Open Source - TimeTable Main Activity

• Back to App/timetable  ↑

From Project

Back to project page TimeTable.

License

The source code is released under:

MIT License

Java Source Code

package uk.me.timlittle.tt1;
/********//from w  w  w  . j  a  v a2 s  .  c o m
 * Android App that displays a user's school timetable 
 * 
 * 
* Copyright (c) 2014 Tim Little
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
*  documentation files (the "Software"), to deal in the Software without restriction, including without limitation
*   the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, 
*   and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
* 
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
*  PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 
*  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
*  TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
import java.text.DateFormatSymbols;
import java.util.Calendar;
import java.util.Locale;
import java.util.Map;
import java.util.HashMap;
import java.util.concurrent.atomic.AtomicInteger;

import android.app.Activity;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.view.Display;
//import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import uk.me.timlittle.tt1.R;
import uk.me.timlittle.tt1.SettingsActivity;
import uk.me.timlittle.tt1.SimpleGestureFilter.SimpleGestureListener;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Color;
import android.graphics.Typeface;
import android.preference.PreferenceManager;
import android.view.ViewGroup.LayoutParams;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.EditText;
//import android.widget.Button;
import android.widget.ImageButton;
import android.widget.TableLayout;
import android.widget.TableRow;
import android.widget.TextView;
import android.graphics.Point;


public class MainActivity extends Activity implements SimpleGestureListener 
{
  private static final AtomicInteger sNextGeneratedId = new AtomicInteger(1);
  private SimpleGestureFilter detector;
  
  private int weekCount = 2;
  private int lessonCount = 5;
  private int currentDay;
  private int currentWeek = 1;
  private Calendar rightNow = Calendar.getInstance();
  private TimeTable timeTable;
  private TableLayout layout;
  private Map<String, Integer> viewMap = new HashMap<String, Integer>();
  private boolean includeWeekends = false;
  private boolean inEditting;
  private int startDay = Calendar.MONDAY;
  private int endDay = Calendar.FRIDAY;
  private boolean weekView = false;
  private TermCalendar terms = null;

  private int getCurrentDay (){
    int day;
    
    day = rightNow.get(Calendar.DAY_OF_WEEK);
    
    //Always skip forward if a weekend and not showing weekends
    if (!includeWeekends && (day == Calendar.SATURDAY || day == Calendar.SUNDAY)) {
      day = Calendar.MONDAY;
    }
    
    return day;
  }

  private int getCurrentWeek (){
    int weekNo = 1;
    
    if (weekCount > 1){
      weekNo = terms.getCurrentWeek (rightNow.getTime());
    }
    
    return weekNo;
  }
  
  private String getWeekName (int weekNo){
    String weekName = "";
    
    switch (weekNo) {
    case 1 :
      weekName = getResources().getString(R.string.first_weeks_name);
      break;

    case 2 :
      weekName = getResources().getString(R.string.second_weeks_name);
      break;
      
    default :
      weekName = "Week " + weekNo;
      break;

    }
    
    return weekName;
  }

    @Override
    public boolean dispatchTouchEvent(MotionEvent me){
        // Call onTouchEvent of SimpleGestureFilter class
         this.detector.onTouchEvent(me);
       return super.dispatchTouchEvent(me);
    }
   
    @Override
     public void onSwipe(int direction) {
      
      //Only move if the user isn't editing
      if (!inEditting){
        switch (direction) {
          case SimpleGestureFilter.SWIPE_RIGHT : 
            currentDay++;
            if (currentDay > endDay) {
              currentDay = startDay;
                currentWeek++;
                if (currentWeek > weekCount)
                  currentWeek = 1;
            }
            break;
          
          case SimpleGestureFilter.SWIPE_LEFT :
            currentDay--;
            if (currentDay < startDay) {
              currentDay = endDay;
                currentWeek--;
                if (currentWeek < 1)
                  currentWeek = weekCount;
            }
            break;
            
          case SimpleGestureFilter.SWIPE_DOWN :
            currentWeek++;
            if (currentWeek > weekCount)
              currentWeek = 1;
            break;
            
          case SimpleGestureFilter.SWIPE_UP :
            currentWeek--;
            if (currentWeek < 1)
              currentWeek = weekCount;
            break;
      
          }
          
          if (!weekView)
            populateDay(currentDay, currentWeek);
          else {
            
            layout.removeAllViews();
              createWeek();
              super.setContentView(layout);            
          }
        }
     }
      
     @Override
     public void onDoubleTap() {
     }  
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    
    if (terms == null) {
      terms = new TermCalendar(this);
    }

    Display display = getWindowManager().getDefaultDisplay();
    Point size = new Point();
    display.getSize(size);
    
    //fix bug so display works correctly when upside down
    //Change to manifest also needed (android:screenOrientation="fullSensor")
    int x = Math.abs(size.x);
    int y = Math.abs(size.y);
    
    if (x > y) {
      weekView = true;
    }
    
    
        // Detect touched area 
        detector = new SimpleGestureFilter(this,this);
        
    SharedPreferences pref;
    String prefs_key;
         
    pref = PreferenceManager.getDefaultSharedPreferences(this);
    
    prefs_key = getResources().getString(R.string.pref_weeks_key);
    
    if (pref != null) {
      weekCount = Integer.parseInt(pref.getString(prefs_key, "2"));
    }

    prefs_key = getResources().getString(R.string.pref_lessons_key);
    
    if (pref != null) {
      lessonCount = Integer.parseInt(pref.getString(prefs_key, "5"));
    }

    prefs_key = getResources().getString(R.string.pref_weekend_key);
    
    if (pref != null) {
      includeWeekends = pref.getBoolean(prefs_key, false);
      
      if (includeWeekends) {
        //Defaults to Monday and Friday
        startDay = Calendar.SUNDAY;
        endDay = Calendar.SATURDAY;
      }
    }
    
    if (savedInstanceState != null){
      currentDay = savedInstanceState.getInt("currentDay");
      currentWeek = savedInstanceState.getInt("currentWeek");
    } else {
      currentDay = getCurrentDay();
      currentWeek = getCurrentWeek();
    }

    
    timeTable = new TimeTable (getApplicationContext());

        //---param for views---
        LayoutParams lp = 
            new TableLayout.LayoutParams(
                LayoutParams.MATCH_PARENT,
                LayoutParams.MATCH_PARENT);
        
        //---create a layout---
        layout = new TableLayout(this);
        layout.setId(myGenerateViewId());
        layout.setPadding(5, 5, 5, 5);

        layout.setLayoutParams(lp);  
        layout.setStretchAllColumns(true);
        layout.setBackgroundColor(Color.parseColor("#000000"));
        
        if (!weekView) {
        //-- Populate the details for the day
          createDay();
        
      super.setContentView(layout);

          populateDay(currentDay, currentWeek);
      releaseDay (false);        
        } else {
          createWeek();
          super.setContentView(layout);
          
        }
  }

  @Override
  public void onSaveInstanceState(Bundle outState){
    
    outState.putInt("currentDay", currentDay);
    outState.putInt("currentWeek", currentWeek);
    
    super.onSaveInstanceState(outState);
  }
  
  
  private void createWeek() {
    int dayCounter;
    int lessonCounter;
    int colWidth;
    
    Locale usersLocale = Locale.getDefault();
    DateFormatSymbols dfs = new DateFormatSymbols(usersLocale);
    String weekdays[] = dfs.getShortWeekdays();
    
    //Use the screen size to set the width of the columns so they are even 
     DisplayMetrics metrics = new DisplayMetrics();
     getWindowManager().getDefaultDisplay().getMetrics(metrics);
     colWidth = metrics.widthPixels / ((endDay - startDay) + 1);
    
        TableRow tableRow = new TableRow(this);
        TableLayout.LayoutParams params = new TableLayout.LayoutParams(  
                LayoutParams.WRAP_CONTENT,  
                LayoutParams.WRAP_CONTENT);  

    params.setMargins(3, 3, 2, 10);
        tableRow.setLayoutParams(params);
        tableRow.setBackgroundColor(Color.parseColor("#000000"));
        //tableRow.setPadding(15, 15, 15, 15);
  
    for (dayCounter = startDay; dayCounter <= endDay; dayCounter++) {
      
      TextView header = new TextView(this);
      header.setText(weekdays[dayCounter] + " " + getWeekName(currentWeek));
      header.setTypeface(null, Typeface.BOLD);
      header.setBackgroundColor(Color.parseColor("#99CCFF"));
              
      //---adds the textview---
      tableRow.addView(header);
    }

    layout.addView(tableRow);
    
    for (lessonCounter =1; lessonCounter <= lessonCount; lessonCounter++) {        
      tableRow = new TableRow(this);
      params = new TableLayout.LayoutParams(  
                  LayoutParams.WRAP_CONTENT,  
                  LayoutParams.WRAP_CONTENT);
      params.setMargins(3, 3, 2, 10);
          tableRow.setLayoutParams(params);
          //tableRow.setBackgroundColor(Color.parseColor("#D6EBFF"));

      for (dayCounter = startDay; dayCounter <= endDay; dayCounter++) {
        TextView tv = new TextView (this);
        tv.setText(timeTable.getLesson(currentWeek, dayCounter, lessonCounter).info1);
        tv.setWidth(colWidth);
        if (dayCounter == currentDay)
          tv.setBackgroundColor(Color.parseColor("#FF9933"));
        else
          tv.setBackgroundColor(Color.parseColor("#D6EBFF"));
        tableRow.addView(tv);
      }
      
      layout.addView(tableRow);
    }

    tableRow = new TableRow(this);
    params = new TableLayout.LayoutParams(  
                LayoutParams.MATCH_PARENT,  
                LayoutParams.MATCH_PARENT);
    params.setMargins(3, 3, 2, 10);
        tableRow.setLayoutParams(params);
    
    //Show notes at the bottom, in italics
    for (dayCounter = startDay; dayCounter <= endDay; dayCounter++) {
      TextView tv = new TextView (this);
      tv.setText(timeTable.getDayNotes(currentWeek, dayCounter));
      tv.setWidth(colWidth);
      tv.setTypeface(null, Typeface.ITALIC);
      if (dayCounter == currentDay)
        tv.setBackgroundColor(Color.parseColor("#FF9933"));
      else
        tv.setBackgroundColor(Color.parseColor("#CCFFFF"));
      tableRow.addView(tv);
    }
    
    layout.addView(tableRow);
    
  }
  
  private View createDayHeader () {
        //Put edit button at the bottom
    TableLayout subTable = new TableLayout(this);
    
        TableRow tableRow = new TableRow(this);
        TableLayout.LayoutParams params = new TableLayout.LayoutParams(  
                LayoutParams.WRAP_CONTENT,  
                LayoutParams.WRAP_CONTENT);  

    params.setMargins(3, 3, 2, 10);
        tableRow.setLayoutParams(params);
        tableRow.setBackgroundColor(Color.parseColor("#99CCFF"));
        tableRow.setPadding(15, 15, 15, 15);


        TextView header = new TextView(this);
        header.setText(" ");
        header.setId(R.id.headerTextId);
        header.setTextSize(24);
        
        //---adds the textview---
        tableRow.addView(header);

    params.setMargins(3, 3, 2, 10);
        tableRow.setLayoutParams(params);
        tableRow.setPadding(15, 15, 15, 15);
        
        ImageButton cancelButton = new ImageButton (this);
        
        cancelButton.setContentDescription(getResources().getString(R.string.cancelButton));
        cancelButton.setImageResource(R.drawable.cancelbutton);
        cancelButton.setOnClickListener(saveListener);
        cancelButton.setId(R.id.cancelButtonId);
        cancelButton.setEnabled(false);
        cancelButton.setVisibility(View.INVISIBLE);
        cancelButton.setBackgroundColor(Color.parseColor("#99CCFF"));
        
        tableRow.addView(cancelButton);
        
        ImageButton editButton = new ImageButton (this);
        
        editButton.setContentDescription(getResources().getString(R.string.editButton));
        editButton.setImageResource(R.drawable.editbutton);
        editButton.setOnClickListener(editListener);
        editButton.setId(R.id.editButtonId);
        editButton.setBackgroundColor(Color.parseColor("#99CCFF"));
        
        tableRow.addView(editButton);
        
        subTable.addView(tableRow);

        return subTable;
  }
  
  /***************************************************************************
   *, Display the editable view of the specified week day timetable
   */
  private void createDay () {
    int lessonCounter;
    String viewId;
    int nextId;
    ArrayAdapter <String> adapter;
    
    String info1Vals[] = timeTable.getInfo1Vals();
    String info2Vals[] = timeTable.getInfo2Vals();
    String info3Vals[] = timeTable.getInfo3Vals();

    
    TableRow tableRow = new TableRow(this);
        TableRow.LayoutParams params = new TableRow.LayoutParams(  
                LayoutParams.WRAP_CONTENT,  
                LayoutParams.WRAP_CONTENT);  

        layout.removeAllViews();
        viewMap.clear();
        
        layout.addView(createDayHeader());
    
    for (lessonCounter =1; lessonCounter <= lessonCount; lessonCounter++) {
      
      tableRow = new TableRow(this);
      params = new TableRow.LayoutParams(  
                  LayoutParams.WRAP_CONTENT,  
                  LayoutParams.WRAP_CONTENT);;  
            params.setMargins(3, 3, 2, 10);
      
      tableRow.setLayoutParams(params);
      tableRow.setBackgroundColor(Color.parseColor("#CCFFFF"));
      tableRow.setPadding(5, 5, 5, 5);
      
      AutoCompleteTextView tv = new AutoCompleteTextView(this);
          
          nextId = myGenerateViewId();
          viewId = "lesson" + lessonCounter + "info1";
          tv.setId(nextId);
          viewMap.put(viewId, nextId);
          
          adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, info1Vals);
          tv.setAdapter(adapter);
          
          tableRow.addView(tv);

          tv = new AutoCompleteTextView(this);

          nextId = myGenerateViewId();
          viewId = "lesson" + lessonCounter + "info2";
          tv.setId(nextId);
          viewMap.put(viewId, nextId);

          adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, info2Vals);
          tv.setAdapter(adapter);
                  
          tableRow.addView(tv);

          tv = new AutoCompleteTextView(this);

          nextId =myGenerateViewId();
          viewId = "lesson" + lessonCounter + "info3";
          tv.setId(nextId);
          viewMap.put(viewId, nextId);

          adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, info3Vals);
          tv.setAdapter(adapter);
                    
          tableRow.addView(tv);
          
          //---adds the textview---
          layout.addView(tableRow);      
    }
    //End with notes
    tableRow = new TableRow(this);
    params = new TableRow.LayoutParams(  
                LayoutParams.WRAP_CONTENT,  
                LayoutParams.WRAP_CONTENT);
        params.setMargins(3, 3, 2, 10);
        params.span = 3;
        
    //tableRow.setLayoutParams(params);
    
    tableRow.setBackgroundColor(Color.parseColor("#D6EBFF"));
    tableRow.setPadding(5, 5, 5, 5);
    
    
    EditText tv = new EditText(this);
    tv.setSingleLine(false);
    tv.setHorizontalScrollBarEnabled(false);
    tv.setTypeface(null, Typeface.ITALIC);
        
        nextId = myGenerateViewId();
        viewId = "notes";
        tv.setId(nextId);
        viewMap.put(viewId, nextId);
        
        tableRow.addView(tv, params);
        layout.addView(tableRow);
    
    
  }
  
private void populateDay (int currentDay, int currentWeek){
  TimeTable.Lesson lessonInfo;
  int lessonCounter;
  String viewKey;
  int viewId;
  
  Locale usersLocale = Locale.getDefault();
  DateFormatSymbols dfs = new DateFormatSymbols(usersLocale);
  String weekdays[] = dfs.getShortWeekdays();

  TextView header = (TextView)findViewById(R.id.headerTextId);
    header.setText(weekdays[currentDay] + " " + getWeekName(currentWeek));

  for (lessonCounter =1; lessonCounter <= lessonCount; lessonCounter++) {
    
    lessonInfo = timeTable.getLesson(currentWeek, currentDay, lessonCounter);

    viewKey = "lesson" + lessonCounter + "info1";    
    viewId = viewMap.get(viewKey);
    AutoCompleteTextView tv = (AutoCompleteTextView)findViewById(viewId);

        tv.setText(lessonInfo.info1);

    viewKey = "lesson" + lessonCounter + "info2";    
    viewId = viewMap.get(viewKey);
    tv = (AutoCompleteTextView)findViewById(viewId);

        tv.setText(lessonInfo.info2);

    viewKey = "lesson" + lessonCounter + "info3";    
    viewId = viewMap.get(viewKey);
    tv = (AutoCompleteTextView)findViewById(viewId);

        tv.setText(lessonInfo.info3);
  }
  
  //Notes
  viewKey = "notes";
  viewId = viewMap.get(viewKey);
  EditText notesBox = (EditText)findViewById(viewId);
  
  String notes = timeTable.getDayNotes(currentWeek, currentDay);
  if (notes == "")
    notes = "Notes";
  
  notesBox.setText(notes);
  
}
/*******************************************************************************************
 * lock or unlock the edit views  
 */
private void releaseDay (boolean allowEdit){
  int lessonCounter;
  String viewKey;
  int viewId;
  
  for (lessonCounter =1; lessonCounter <= lessonCount; lessonCounter++) {
    
    viewKey = "lesson" + lessonCounter + "info1";    
    viewId = viewMap.get(viewKey);
    AutoCompleteTextView tv = (AutoCompleteTextView)findViewById(viewId);
    
        tv.setEnabled(allowEdit);
        tv.setFocusable(allowEdit);
        tv.setFocusableInTouchMode(allowEdit);
        tv.setClickable(allowEdit);
        tv.setTextColor(Color.BLACK);
    
    viewKey = "lesson" + lessonCounter + "info2";    
    viewId = viewMap.get(viewKey);
    tv = (AutoCompleteTextView)findViewById(viewId);
    
        tv.setEnabled(allowEdit);
        tv.setFocusable(allowEdit);
        tv.setFocusableInTouchMode(allowEdit);
        tv.setClickable(allowEdit);
        tv.setTextColor(Color.BLACK);

    viewKey = "lesson" + lessonCounter + "info3";    
    viewId = viewMap.get(viewKey);
    tv = (AutoCompleteTextView)findViewById(viewId);
    
        tv.setEnabled(allowEdit);
        tv.setFocusable(allowEdit);
        tv.setFocusableInTouchMode(allowEdit);
        tv.setClickable(allowEdit);
        tv.setTextColor(Color.BLACK);
        
  }
  //Notes field
  viewKey = "notes";
  viewId = viewMap.get(viewKey);
  EditText notesBox = (EditText)findViewById(viewId);
  
  notesBox.setEnabled(allowEdit);
  notesBox.setFocusable(allowEdit);
  notesBox.setFocusableInTouchMode(allowEdit);
  notesBox.setClickable(allowEdit);
  notesBox.setTextColor(Color.BLACK);
  
  inEditting = allowEdit;
}

private void saveDay (int currentDay, int currentWeek){
  int lessonCounter;
  TimeTable.Lesson lessonInfo;
  String viewKey;
  int viewId;
      
  
  for (lessonCounter =1; lessonCounter <= lessonCount; lessonCounter++) {
    lessonInfo = timeTable.getLesson(currentWeek, currentDay, lessonCounter);
    lessonInfo.weekNo = currentWeek;
    lessonInfo.dayNo = currentDay;
    lessonInfo.lessonNo = lessonCounter;
    
    viewKey = "lesson" + lessonCounter + "info1";
    viewId = viewMap.get(viewKey);
    AutoCompleteTextView tv = (AutoCompleteTextView)findViewById(viewId);
    lessonInfo.info1 = tv.getText().toString();

    viewKey = "lesson" + lessonCounter + "info2";
    viewId = viewMap.get(viewKey);
    tv = (AutoCompleteTextView)findViewById(viewId);
    lessonInfo.info2 = tv.getText().toString();
    
    viewKey = "lesson" + lessonCounter + "info3";
    viewId = viewMap.get(viewKey);
    tv = (AutoCompleteTextView)findViewById(viewId);
    lessonInfo.info3 = tv.getText().toString();
        
    timeTable.addLesson(currentWeek, currentDay, lessonCounter, lessonInfo.info1, lessonInfo.info2, lessonInfo.info3);
  }

  //Notes field
  viewKey = "notes";
  viewId = viewMap.get(viewKey);
  EditText notesBox = (EditText)findViewById(viewId);
  timeTable.saveDayNotes(currentWeek, currentDay, notesBox.getText().toString());
}

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
  }
  

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    Intent intent;
    
    switch (item.getItemId()) {
    case R.id.action_settings:
      // Starts the Settings activity on top of the current activity
      intent = new Intent(this, SettingsActivity.class);
      startActivity(intent);
      break;
    case R.id.term_details:
      // Starts the term dates activity on top of the current activity
      intent = new Intent(this, term_details.class);
      startActivity(intent);
      break;

    default:
      break;
    }

    return true;
  }
  
  private OnClickListener editListener = new OnClickListener() {
    
    public void onClick (View v) {
      ImageButton btn = (ImageButton)v;
      ImageButton cancelButton;
      releaseDay (true);
      
      btn.setContentDescription(getResources().getString(R.string.saveButton));
      btn.setImageResource(R.drawable.savebutton);
      btn.setOnClickListener(saveListener);
      
      cancelButton = (ImageButton)findViewById(R.id.cancelButtonId);
      cancelButton.setVisibility(View.VISIBLE);
      cancelButton.setEnabled(true);
    }
  };

  private OnClickListener saveListener = new OnClickListener() {
    
    public void onClick (View v) {
      
      releaseDay (false);
      
      if (v.getId() != R.string.saveButton)
        saveDay(currentDay, currentWeek);
      
      ImageButton btn = (ImageButton)findViewById(R.id.editButtonId);
      btn.setContentDescription(getResources().getString(R.string.editButton));
      btn.setImageResource(R.drawable.editbutton);
      btn.setOnClickListener(editListener);

      ImageButton cancelButton = (ImageButton)findViewById(R.id.cancelButtonId);
      cancelButton.setVisibility(View.INVISIBLE);
      cancelButton.setEnabled(true);
    
    }
  };
  
  /**
   * Generate a value suitable for use in {@link #setId(int)}.
   * This value will not collide with ID values generated at build time by aapt for R.id.
   *
   * @return a generated ID value
   */
  public static int myGenerateViewId() {
      for (;;) {
          final int result = sNextGeneratedId.get();
          // aapt-generated IDs have the high byte nonzero; clamp to the range under that.
          int newValue = result + 1;
          if (newValue > 0x00FFFFFF) newValue = 1; // Roll over to 1, not 0.
          if (sNextGeneratedId.compareAndSet(result, newValue)) {
              return result;
          }
      }
  }
}

Java Source Code List

• Back to App/timetable  ↑