大项目二

Dialog_edit.java

public class Dialog_edit extends AlertDialog implements OnClickListener {private String text = "";private EditText edit;private OnDateSetListener mCallback;private LinearLayout layout;public interface OnDateSetListener {void onDateSet(String text);}protected Dialog_edit(Context context, String title, String value,OnDateSetListener Callback) {super(context);mCallback = Callback;TextView label = new TextView(context);label.setText("hint");edit = new EditText(context);edit.setText(value);layout = new LinearLayout(context);layout.setOrientation(LinearLayout.VERTICAL);LinearLayout.LayoutParams param2 = new LinearLayout.LayoutParams(200,50);layout.addView(edit, param2);setView(layout);setTitle(title);setButton("确定", this);setButton2("取消", (OnClickListener) null);}public void onClick(DialogInterface dialog, int which) {text = edit.getText().toString();Log.v("cola", "U click text=" + text);if (mCallback != null)mCallback.onDateSet(text);}}

ColaBox.java

public class ColaBox extends Activity {private Handler mHandler = new Handler();ImageView imageview;TextView textview;int alpha = 255;int b = 0;public void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);imageview = (ImageView) this.findViewById(R.id.ImageView01);textview = (TextView) this.findViewById(R.id.TextView01);Log.v("ColaBox", "ColaBox start ...");imageview.setAlpha(alpha);new Thread(new Runnable() {public void run() {initApp();while (b < 2) {try {if (b == 0) {Thread.sleep(1000);b = 1;} else {Thread.sleep(50);}updateApp();} catch (InterruptedException e) {e.printStackTrace();}}}}).start();mHandler = new Handler() {@Overridepublic void handleMessage(Message msg) {super.handleMessage(msg);imageview.setAlpha(alpha);imageview.invalidate();}};}public void updateApp() {alpha -= 5;if (alpha <= 0) {b = 2;Intent in = new Intent(this, com.cola.ui.Frm_Addbills.class);startActivity(in);this.finish();}mHandler.sendMessage(mHandler.obtainMessage());}public void initApp(){ BilldbHelper billdb=new BilldbHelper(this);       billdb.FirstStart();             billdb.close();          }public boolean onKeyDown(int keyCode, KeyEvent event) {Log.v("cola", "keycode=" + keyCode);switch (keyCode) {case KeyEvent.KEYCODE_BACK:Log.v("ColaBox", "ColaBox end ...");return true;}return false;}}

Grid_bills.java

public class Grid_bills extends Activity implements OnItemLongClickListener {BilldbHelper billdb;View sv;EditText edit;AbsoluteLayout alayout;int a = 10, b = 10;GridView grd;TextView total;DatePicker dp;Button okbtn;ListView lv;private int mYear;private int mMonth;private int mDay;String today;String[] from;int[] to;SimpleCursorAdapter mAdapter;Cursor cur;int _id;protected GridView listHands = null;public void onCreate(Bundle icicle) {super.onCreate(icicle);setContentView(R.layout.grid_bills);billdb = new BilldbHelper(this);lv = (ListView) findViewById(R.id.listview);Calendar c = Calendar.getInstance(TimeZone.getTimeZone("GMT+08:00"));mYear = c.get(Calendar.YEAR);mMonth = c.get(Calendar.MONTH)+1;mDay = c.get(Calendar.DAY_OF_MONTH);today = mYear + "-" + mMonth;setTitle("ColaBox-账单明细(" + today + ")");cur = billdb.getBills(today);from = new String[] { "rowid", "name", "fee", "sdate", "desc" };to = new int[] { R.id.item1, R.id.item2, R.id.item3, R.id.item4,R.id.item5 };mAdapter = new SimpleCursorAdapter(this, R.layout.grid_items, cur,from, to);lv.setAdapter(mAdapter);// getBillsTotaltotal = (TextView) findViewById(R.id.totalitem);total.setText(billdb.getBillsTotal(today));lv.setOnItemLongClickListener(this);}public boolean onCreateOptionsMenu(Menu menu) {super.onCreateOptionsMenu(menu);menu.add(0, 1, 0, "选择月份");// .setIcon(R.drawable.editbills);// menu.add(0, 2, 0, " 删 除 ");//.setIcon(R.drawable.editbills);return true;}public boolean onOptionsItemSelected(MenuItem item) {// Log.v("ColaBox", "getmenuitemid=" + item.getItemId());switch (item.getItemId()) {case 1:showDialog("请选择年月:", "");return true;case 2:// Log.v("cola",lv.getSelectedItemId()+" p");// OnItemLongClickListener onItemLongClick;// lv.setOnItemLongClickListener(this);return true;}return false;}private void showDialog(String title, String text) {final DatePickerDialog dia = new DatePickerDialog(this,mDateSetListener, mYear, mMonth-1, mDay);dia.show();}private DatePickerDialog.OnDateSetListener mDateSetListener = new DatePickerDialog.OnDateSetListener() {public void onDateSet(DatePicker view, int year, int monthOfYear,int dayOfMonth) {mYear = year;mMonth = monthOfYear+1;mDay = dayOfMonth;today = mYear + "-" + mMonth;setTitle("ColaBox-账单明细(" + today + ")");cur = billdb.getBills(today);mAdapter.changeCursor(cur);//lv.setAdapter(mAdapter);((SimpleCursorAdapter) mAdapter).notifyDataSetChanged();}};public boolean onItemLongClick(AdapterView<?> parent, View view,int position, long id) {// log.e("calllogactivity", view.tostring() + "position=" + position);// charsequence number = ((textview) view).gettext();// toast t = toast.maketext(this, number + " is long clicked",// toast.length_long);// t.show();_id=(int)id;new AlertDialog.Builder(this).setTitle("提示").setMessage(

 <supports-screens android:largeScreens="true"/> 

加入这句话可以根据手机屏幕调整布局

运行结果

提升空间

1.增加设置选项，增加账户可以共用一个账单。
2.优化软件界面，使界面应用更丰富，显示更具体。
3.本期账单仅供参考本月的账单，可以增加账单查询功能，可查询之前的账单。
4.提供更加丰富的内容，比如预支和透支，结余比较，。