Android Open Source - MyLibReminder Main Activity

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License

The source code is released under:

Apache License

Java Source Code

package com.geonnave.mylibreminder;
/*from  ww w .java  2  s . c o  m*/
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collections;
import java.util.GregorianCalendar;
import java.util.HashMap;


import android.os.Bundle;
import android.app.Activity;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.Toast;

public class MainActivity extends Activity {
  
  private ArrayList<Loan> loans = new ArrayList<Loan>();
  
    private ListView lv;

    private SimpleAdapter sadapter;

    private ArrayList<HashMap<String, String>> productList;
    
  ArrayList<HashMap<String, String>> linesList = new ArrayList<HashMap<String, String>>();
  
  private int nLoans, hourOfDay = 9;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    loadData();
    if (loans.size() > 0)
      SetMyAlarm(loans.get(0));
    constructMap();
    setupListView();
  }
  
  private void setupListView() {
    nLoans = linesList.size();
    lv = (ListView) findViewById(R.id.list_reminders);
    sadapter = new SimpleAdapter(this, linesList, R.layout.list_loans, new String[] {"book", "library", "date"}, 
                   new int[] {R.id.book_name, R.id.library, R.id.time_restore});
    lv.setAdapter(sadapter);
    lv.setOnItemClickListener(new OnItemClickListener(){
          @Override
          public void onItemClick(AdapterView<?> arg0, View view, int arg2,
                  long arg3) {
            Intent intent = new Intent(view.getContext(), AddLoan.class);
            int id = loans.get(arg2).getId();
            intent.putExtra("LoanID", id);
            intent.putExtra("BookName", loans.get(arg2).getBook());
            intent.putExtra("LibraryName", loans.get(arg2).getLibrary());
            intent.putExtra("Date", loans.get(arg2).getDate());
//            Toast.makeText(getBaseContext(), "item "+id, Toast.LENGTH_SHORT).show();
          startActivity(intent);
          }
      });
  }
  
  private void loadData(){
    LoanDAO loanDAO = LoanDAO.getInstance(getBaseContext());
    loans = (ArrayList<Loan>) loanDAO.getAll();
    Collections.sort(loans, new LoanComparator());
//    if (loans.size() > 0)
//      SetMyAlarm(loans.get(0));
  }
  
  private void constructMap() {
    SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy");
    linesList.clear();
//    Collections.sort(loans);
    for (int i = 0; i < loans.size(); i++) {
      HashMap<String, String> map = new HashMap<String, String>();
//      map.put("book", Integer.toString(loans.get(i).getId()));
      map.put("book", loans.get(i).getBook());
      map.put("library", loans.get(i).getLibrary());
      map.put("date", sdf.format(loans.get(i).getDate().getTime()));
      linesList.add(map);
    }
  }

  @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;
  }

    public void addLoan(View view){
      Intent intent = new Intent(MainActivity.this, AddLoan.class);
      intent.putExtra("LoanID", nLoans+1);
      startActivity(intent);
    }
    
    @Override
    protected void onResume() {
      super.onResume();
      loadData();
      constructMap();
    nLoans = linesList.size();
      lv.invalidateViews();
    }
    
    public void SetMyAlarm(Loan loan) {
      Calendar cal = new GregorianCalendar();
      Calendar dateAlarm = loan.getDate();
      dateAlarm.set(Calendar.HOUR_OF_DAY, hourOfDay);
//      dateAlarm.set(Calendar.HOUR_OF_DAY, 22);
    dateAlarm.set(Calendar.MINUTE, 0);
    dateAlarm.set(Calendar.SECOND, 0);

//    Toast.makeText(this, "time now is "+cal.get(Calendar.MINUTE), Toast.LENGTH_LONG).show();
    
    if (cal.get(Calendar.DAY_OF_MONTH) == dateAlarm.get(Calendar.DAY_OF_MONTH) && 
      cal.get(Calendar.HOUR_OF_DAY) < dateAlarm.get(Calendar.HOUR_OF_DAY)) {
      long AlarmTime = dateAlarm.getTimeInMillis();
        
          Intent intent = new Intent(this, AlarmReceiverActivity.class); // The broadcast receiver that will handle my alarm 
  
          int UniqueID = 8194; // id for this specific alarm, use a different id for each separate alarm
  
          PendingIntent sender = PendingIntent.getActivity(this, UniqueID, intent, PendingIntent.FLAG_CANCEL_CURRENT);
          
          AlarmManager am = (AlarmManager) getSystemService(Activity.ALARM_SERVICE);
          am.set(AlarmManager.RTC_WAKEUP, AlarmTime, sender);
    }
//        sender.
    }

}

Java Source Code List

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