reportallwallet.java

一个简单的android手机程序

package com.android;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;

import android.app.Activity;
import android.database.Cursor;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;
import android.widget.TextView;

public class ReportAllWallet extends Activity{
	private static final String tag = null;
	//private static final int MAX_PROGRESS = 0;
	private WalletDbAdapter  lDbAdapter;
	private Cursor cur;
	private ListView lv2;
	private double totalIncome,profit,totalSurplus,deficits;
	private TextView lTotalIncome,lProfit,lTotalSurplus,lDeficits;
   
	//menu set
    public final int SAVE_ID=Menu.FIRST;
    public final int DEL_ID=Menu.FIRST+1;

	/** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState){
        super.onCreate(savedInstanceState);
        setContentView(R.layout.report_view);
        lDbAdapter=new WalletDbAdapter(this);
        lDbAdapter.open();
        cur=lDbAdapter.fetchAllWallets();
        ListView lv=(ListView)findViewById(R.id.listview);
        String[] from=new String[] {"_id","wDate", "wClass","wMoney",};
        int[] to=new int[] {R.id.item1,R.id.item2,R.id.item3,R.id.item4};
        SimpleCursorAdapter mAdapter=new SimpleCursorAdapter(this,R.layout.wallet_head, cur,from, to);
        lv.setAdapter(mAdapter);
        lv2=lv;
        
        lTotalIncome=(TextView) findViewById(R.id.totalincome);
        lProfit=(TextView) findViewById(R.id.profit);
        lTotalSurplus=(TextView) findViewById(R.id.totalsurplus);
        lDeficits=(TextView) findViewById(R.id.deficits);
        //The first data
        cur.moveToFirst();
        if(cur.getString(2).toString().equals("income")){
    		totalIncome=totalIncome+Double.parseDouble(cur.getString(3));
        }else if(cur.getString(3).toString().equals("disburse")){
    		totalSurplus=totalSurplus+Double.parseDouble(cur.getString(3));
    	}
        //All the next datas
    	for(int i=1;i<=cur.getCount()-1;i++){
        	if(!cur.isLast()){
        	    cur.moveToNext();        	
        	    if(cur.getString(2).toString().equals("income")){
        		    totalIncome+=Double.parseDouble(cur.getString(3));
        	    }
        	    if(cur.getString(2).toString().equals("disburse")){
        		    totalSurplus+=Double.parseDouble(cur.getString(3));
        	    }
            }
    	}
    	//愒帤    ||  忚梋
        if(totalIncome>=totalSurplus){
        	profit=totalIncome-totalSurplus;
        }else{
        	deficits=totalSurplus-totalIncome;
        }
        lTotalIncome.setText(lTotalIncome.getText().toString() + totalIncome);
        lProfit.setText(lProfit.getText().toString() + profit);
        lTotalSurplus.setText(lTotalSurplus.getText().toString() + totalSurplus);
        lDeficits.setText(lDeficits.getText().toString() + deficits);
        
        
        //set menu
    }
    @Override
    public boolean onCreateOptionsMenu(Menu menu){
    	super.onCreateOptionsMenu(menu);

    	menu.add(0, SAVE_ID, 0, R.string.SAVE_ITEM);
    	menu.add(0, DEL_ID, 1, R.string.DEL_ITEM);
		return true;
        
    }
    @Override
    public boolean onOptionsItemSelected(MenuItem item){
    	String fileName;
   	switch (item.getItemId()){
        case SAVE_ID:
	          MyDate myDate=new MyDate();
              fileName=myDate.MySimpleDateFormat().substring(0, 10)+ ".txt";
              File sdcard = Environment.getExternalStorageDirectory(); 
              File file=new File(sdcard + "/" + fileName);
              Log.v(tag, "the result count is=" + cur.getCount());
              Log.v(tag, "the result content is1111=" + lv2.getAdapter());
              StringBuilder builder = new StringBuilder("                                                              ");
              builder.ensureCapacity(45);
              //builder.append("Id");
              builder.replace(0, 5, "Id");
              builder.replace(6, 6+"擔帪".length()-1, "擔帪");
              builder.replace(25, 25+"椶暿".length()-1, "椶暿");
              builder.replace(40, 40+"class".length()-1, "嬥妟");
              Log.v(tag, "the stringbuilder is ="+ builder);
              try {
				PrintWriter out
				  = new PrintWriter(new BufferedWriter(new FileWriter(file)));
				out.println(builder);
			      cur.moveToFirst();
			      for(int j=0;j<=cur.getCount()-1;j++){
		              StringBuilder builder2 = new StringBuilder("                                                              ");
		              builder2.ensureCapacity(45);
				        if(!cur.isLast()){
				              builder2.replace(0, 5, cur.getString(0).toString());
				              builder2.replace(6, 6+cur.getString(1).toString().substring(0,10).length()-1, cur.getString(1).toString().substring(0,10));
				              builder2.replace(23, 23+cur.getString(2).length()-1, cur.getString(2));
				              builder2.replace(39, 39+cur.getString(3).length()-1, cur.getString(3));
				        	cur.moveToNext();        	
							out.println(builder2);
				            }
				    	}
	              StringBuilder builder3 = new StringBuilder("                                                              ");
	              builder3.ensureCapacity(45);
				        if(cur.isLast()){
				              builder3.replace(0, cur.getString(0).length(), cur.getString(0));
				              builder3.replace(6, 6+cur.getString(1).toString().substring(0,10).length()-1, cur.getString(1).toString().substring(0,10));
				              builder3.replace(23, 23+cur.getString(2).length()-1, cur.getString(2));
				              builder3.replace(39, 39+cur.getString(3).length()-1, cur.getString(3));
				        }
						out.println(builder3);
				        
			      out.flush();
			      out.close();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}

              /**
              try {
				  PrintWriter out
				  = new PrintWriter(new BufferedWriter(new FileWriter(file)));
			      out.print("Id");
			      out.print("      ");
			      out.print("擔帪");
			      out.print("            ");
			      out.print("椶暿");
			      out.print("         ");
			      out.println("嬥妟");
			      cur.moveToFirst();
			      for(int j=0;j<=cur.getCount()-1;j++){
			        if(!cur.isLast()){
					    out.print(cur.getString(0).toString());
					      out.print("      ");
						out.print(cur.getString(1).toString().substring(0, 10));
					      out.print("   ");
						out.print(cur.getString(2).toString());
					      out.print("      ");
						out.println(cur.getString(3).toString());
						  System.arraycopy(cur.getString(1).toString(),0,al,0,cur.getString(0).toString().length());
						  Log.v(tag, "the ArrayList al is=" + al);
			        	cur.moveToNext();        	
			            }
			    	}
			        if(cur.isLast()){
					    out.print(cur.getString(0).toString());
					      out.print("      ");
						out.print(cur.getString(1).toString().substring(0, 10));
					      out.print("   ");
						out.print(cur.getString(2).toString());
					      out.print("      ");
						out.println(cur.getString(3).toString());
			        }
			      out.flush();
			      out.close();
			  } catch (IOException e) {
				  // TODO Auto-generated catch block
				  e.printStackTrace();
			  }
			  */
              break;        
        case DEL_ID: 
                      break;
        	        	}
		return super.onOptionsItemSelected(item);
    }
}