Android Open Source - qingzhou Days Activity

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License

The source code is released under:
GNU General Public License
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Java Source Code

/* 
 *  Copyright 2012 Loong H/*from  w  w  w . j  ava  2s  . c om*/
 * 
 *  Qingzhou 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, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  Qingzhou 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.loongsoft.qingzhou;

import java.util.Date;

import android.app.Activity;
import android.app.DatePickerDialog;
import android.app.DatePickerDialog.OnDateSetListener;
import android.content.Intent;
import android.os.Bundle;
import android.text.format.DateFormat;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AbsListView;
import android.widget.AbsListView.OnScrollListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.ImageButton;
import android.widget.ListView;

public class DaysActivity extends Activity {
  ThingManager mThingManager = null;
  DaysAdapter mDaysAdapter = null;
  
  Button mDateButton = null;
  
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_days);
        
        mThingManager = ThingManager.getThingManager(this);
        
        mDaysAdapter = new DaysAdapter(this, mThingManager);
        
        final ListView list = (ListView)findViewById(R.id.days_list);
        list.setAdapter(mDaysAdapter);
        
    // scroll list to bottom
    list.post(new Runnable() {
          @Override
          public void run() {
            list.setSelection(mDaysAdapter.getCount() - 1);
          }
      });
    
    list.setOnItemClickListener(new OnItemClickListener() {

      @Override
      public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        if (position < list.getCount() - 1) {
          Intent intent = new Intent(DaysActivity.this, ADayActivity.class);
          intent.putExtra("dayInMillis", mThingManager.getDayInMillsAtIndex(position));
          startActivity(intent);
          
          //activity switch animation
          overridePendingTransition(R.anim.push_left_in, R.anim.push_left_out);
        }
      }
    });
    
    Button titleButton = (Button)findViewById(R.id.days_title);
    titleButton.setText(MetaData.userName+" "+getResources().getString(R.string.days_title_postfix));
    titleButton.setOnClickListener(new OnClickListener() {
      
      @Override
      public void onClick(View v) {
        Intent intent = new Intent(DaysActivity.this, QingzhouPreference.class);
        startActivity(intent);
        //activity switch animation
        overridePendingTransition(R.anim.push_right_in, R.anim.push_right_out);
      }
    });
    
    mDateButton = (Button)findViewById(R.id.days_date);
    mDateButton.setText(DateFormat.format(
        getResources().getString(R.string.days_date_format), MetaData.lastDate));
    
    final OnDateSetListener dateSetListener = new OnDateSetListener() {
      
      @Override
      public void onDateSet(DatePicker view, int year, int monthOfYear,
          int dayOfMonth) {
        // save index and top position
        int index = mThingManager.getDateIndex(new Date(year-1900, monthOfYear, dayOfMonth));
        index = index == -1 ? 0 : index == -2 ? list.getCount()-1 : index;
        
        MetaData.lastDate = mThingManager.getDayInMillsAtIndex(index);
        
        mDateButton.setText(DateFormat.format(
            getResources().getString(R.string.days_date_format), MetaData.lastDate));

        list.setSelection(index);
      }
    };
    
    mDateButton.setOnClickListener(new OnClickListener() {
      
      @Override
      public void onClick(View v) {
        Date lastDate = new Date(MetaData.lastDate);
        DatePickerDialog dialog = new DatePickerDialog(
            DaysActivity.this, dateSetListener,
            lastDate.getYear() + 1900, lastDate.getMonth(),
            lastDate.getDate());
        dialog.show();
      }
    });
    
    list.setOnScrollListener(new OnScrollListener() {
      
      @Override
      public void onScrollStateChanged(AbsListView view, int scrollState) {
      }
      
      @Override
      public void onScroll(AbsListView view, int firstVisibleItem,
          int visibleItemCount, int totalItemCount) {
        if (mThingManager.getDaysCount() > 2) {
          String curDateString = mThingManager.getWholeDateStringAtIndex(firstVisibleItem+1);
          mDateButton.setText(curDateString);
        }
      }
    });
    
    ImageButton frequent = (ImageButton)findViewById(R.id.days_frequent);
    frequent.setOnClickListener(new OnClickListener() {
      
      @Override
      public void onClick(View v) {
        Intent intent = new Intent(DaysActivity.this, FrequentActivity.class);
        startActivity(intent);
        
        //activity switch animation
        overridePendingTransition(R.anim.push_right_in, R.anim.push_right_out);
      }
    });
    }
    
    @Override
    public void onRestoreInstanceState(Bundle savedInstanceState) {
      super.onRestoreInstanceState(savedInstanceState);
    }
    
    @Override
    public void onResume() {
      super.onResume();
      Button titleButton = (Button)findViewById(R.id.days_title);
    titleButton.setText(MetaData.userName+" "+getResources().getString(R.string.days_title_postfix));
    
    mDaysAdapter.notifyDataSetChanged();
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_days, menu);
        return true;
    }
    
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
      switch (item.getItemId()) {
      case R.id.menu_settings:
      Intent intent = new Intent(DaysActivity.this, QingzhouPreference.class);
      startActivity(intent);
      //activity switch animation
      overridePendingTransition(R.anim.push_right_in, R.anim.push_right_out);
      return true;
      }
      
      return super.onOptionsItemSelected(item);
    }
    
    @Override
  public void onBackPressed() {
    super.onBackPressed();
  }
}
Java Source Code List
