how to programically check current week is first week of month

how to programically check current week is first week of month

how toget the first monday of week??? im creating an school app which
display lunch for semester which start from 1st jully 2013 which is monday
so its prsent frist week of month another menu and give second week of
month another menu so first week of month its show Monday1,
tuesday1,wednesday1,thursday1,friday1, second week of month i will lik to
check monday2,tuesday2, wednesday2,thursday2,friday2, below is my calender
how i will modify this code to detect it is frist week of month this is
secon week of month in thirdweek again values will change to m1.t1,w1,t,1
actully lunch is provide for 2 week and rechudule again so how i will
detect programiclally current week is first week of month and current week
is second week of month
public class HoyahCalendar extends Activity {
public static int mYear;
public static int currentIndex = -1;
public static int mMonth;
public static int mDay;
public static String[][] a = new String[6][7];
String January="January";
String February="February";
String March="March";
String April="April";
String May="May";
String June="June";
String Jully="Jully";
String August="August";
String September="September";
String October="October";
String November="November";
String December="December";
String Monthname;
TextView date_today;
ImageView last_month;
ImageView next_month;
ImageView last_week;
ImageView next_week;
String completedate2;
Date dt1;
Button e00;
Button e01;
Button e02;
Button e03;
Button e04;
Button e05;
Button e06;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
getIntent().setAction("Already created");
date_today = (TextView) findViewById(R.id.date_today);
last_month = (ImageView) findViewById(R.id.last_month);
next_month = (ImageView) findViewById(R.id.next_month);
last_week = (ImageView) findViewById(R.id.last_week);
next_week = (ImageView) findViewById(R.id.next_week);
//
// e00 = (TextView) findViewById(R.id.e00);
// e01 = (TextView) findViewById(R.id.e01);
// e02 = (TextView) findViewById(R.id.e02);
// e03 = (TextView) findViewById(R.id.e03);
// e04 = (TextView) findViewById(R.id.e04);
// e05 = (TextView) findViewById(R.id.e05);
// e06 = (TextView) findViewById(R.id.e06);
e00 = (Button) findViewById(R.id.e00);
e01 = (Button) findViewById(R.id.e01);
e02 = (Button) findViewById(R.id.e02);
e03 = (Button) findViewById(R.id.e03);
e04 = (Button) findViewById(R.id.e04);
e05 = (Button) findViewById(R.id.e05);
e06 = (Button) findViewById(R.id.e06);
Calendar mCalendar = Calendar.getInstance();
mYear = mCalendar.get(Calendar.YEAR);
mMonth = mCalendar.get(Calendar.MONTH) + 1;
mDay = mCalendar.get(Calendar.DAY_OF_MONTH);
// / setListeners();
last_month.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
if (mMonth == 1) {
mYear -= 1;
mMonth = 12;
new ShowCalendar(mYear, mMonth, 1);
showOnScreen();
} else {
mMonth -= 1;
new ShowCalendar(mYear, mMonth, 1);
showOnScreen();
}
}
});
next_month.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
if (mMonth == 12) {
mYear += 1;
mMonth = 1;
new ShowCalendar(mYear, mMonth, 1);
showOnScreen();
} else {
mMonth += 1;
new ShowCalendar(mYear, mMonth, 1);
showOnScreen();
}
}
});
last_week.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
if (mMonth == 1) {
mYear -= 1;
mMonth = 12;
new ShowCalendar(mYear, mMonth, mDay, "last");
showOnScreen();
} else {
// mMonth -= 1;
new ShowCalendar(mYear, mMonth, mDay, "last");
showOnScreen();
}
}
});
next_week.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
if (mMonth == 12) {
mYear += 1;
mMonth = 1;
new ShowCalendar(mYear, mMonth, mDay, "next");
showOnScreen();
} else {
if (HoyahCalendar.currentIndex == 4) {
HoyahCalendar.currentIndex = 4;
// mMonth += 1;
}
new ShowCalendar(mYear, mMonth, mDay, "next");
showOnScreen();
}
}
});
new ShowCalendar(mYear, mMonth);
showOnScreen();
completedate2= String.format("%02d", mDay)+ "/"+String.format("%02d",
mMonth) +"/"+mYear;
String input_date=completedate2;
SimpleDateFormat format1=new SimpleDateFormat("dd/MM/yyyy");
try {
dt1 = format1.parse(input_date);
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
SimpleDateFormat format2=new SimpleDateFormat("EEEE");
String finalDay=format2.format(dt1);
Toast.makeText(this, "Today is is"+ finalDay,
Toast.LENGTH_SHORT).show();
}
public void showOnScreen() {
if (mMonth ==1)
{
Monthname="January";
}
else
if (mMonth ==2) {
Monthname="February";
}
else
if (mMonth ==3) { Monthname="March";}
else
if (mMonth ==4) { Monthname="April"; }
else
if (mMonth ==5) { Monthname="May";}
else
if (mMonth ==6) { Monthname="June"; }
else
if (mMonth ==7) { Monthname="July";}
else
if (mMonth ==8) { Monthname="August"; }
else
if (mMonth ==9) { Monthname="September";}
else
if (mMonth ==10) { Monthname="October"; }
if (mMonth ==11) { Monthname="November";}
else
if (mMonth ==12) { Monthname="December"; }
date_today.setText( Monthname + " " +mYear);
e00.setText("" + a[0][0]);
if(e00.getText().toString().equals(String.valueOf(mDay)))
// if(e00.getText().toString().equals(mDay))
{e00.setTextColor(Color.parseColor("#FFBBFF"));
Toast.makeText(this, "Button1 text equals!", Toast.LENGTH_SHORT).show();
}
e01.setText("" + a[0][1]);
if(e01.getText().toString().equals(String.valueOf(mDay)))
{
e01.setTextColor(Color.parseColor("#FFBBFF"));
Toast.makeText(this, "Button2 text equals!", Toast.LENGTH_SHORT).show();
}
e02.setText("" + a[0][2]);
if(e02.getText().toString().equals(String.valueOf(mDay)))
{e02.setTextColor(Color.parseColor("#FFBBFF"));
Toast.makeText(this, "Button3 text equals!", Toast.LENGTH_SHORT).show();
}
e03.setText("" + a[0][3]);
if(e03.getText().toString().equals(String.valueOf(mDay)))
{e03.setTextColor(Color.parseColor("#FFBBFF"));
Toast.makeText(this, "Button4 text equals!", Toast.LENGTH_SHORT).show();
}
e04.setText("" + a[0][4]);
if(e04.getText().toString().equals(String.valueOf(mDay)))
{e04.setTextColor(Color.parseColor("#FFBBFF"));
Toast.makeText(this, "Button5 text equals!", Toast.LENGTH_SHORT).show();
}
e05.setText("" + a[0][5]);
if(e05.getText().toString().equals(String.valueOf(mDay)))
{e05.setTextColor(Color.parseColor("#FFBBFF"));
Toast.makeText(this, "Button6 text equals!", Toast.LENGTH_SHORT).show();
}
e06.setText("" + a[0][6]);
if(e06.getText().toString().equals(String.valueOf(mDay)))
{e06.setTextColor(Color.parseColor("#FFBBFF"));
Toast.makeText(this, "Button7 text equals!", Toast.LENGTH_SHORT).show();
}
}
public class ShowCalendar {
int mYear;
int mMonth;
int mDay;
public ShowCalendar(int mYear, int mMonth){
this.mYear = mYear;
this.mMonth = mMonth;
calculateMonthFirstday();
}
public ShowCalendar(int mYear, int mMonth, int mDay){
this.mYear = mYear;
this.mMonth = mMonth;
HoyahCalendar.currentIndex = 0;
this.mDay = mDay;
calculateMonthFirstday();
}
public int getmDay() {
return mDay;
}
public void setmDay(int mDay) {
this.mDay = mDay;
}
public ShowCalendar(int mYear, int mMonth, int mDay, String time){
this.mYear = mYear;
this.mMonth = mMonth;
if (time == "next"){
HoyahCalendar.currentIndex++;
if (HoyahCalendar.currentIndex == 5){
HoyahCalendar.currentIndex--;
}
this.mDay = mDay + 7;
} else if (time == "last"){
HoyahCalendar.currentIndex--;
if (HoyahCalendar.currentIndex == -1){
HoyahCalendar.currentIndex++;
}
this.mDay = mDay - 7;
}
calculateMonthFirstday();
}
public void calculateMonthFirstday(){
int month, first_day=0;
if((mYear%4==0 && mYear%100!=0)||(mYear%400==0))
month=1;
else
month=0;
int y, y12, c, c12, m, d;
y = mYear%100;
y12 = (mYear-1)%100; //only for January and February
c = mYear/100;
c12 = (mYear-1)/100;
m = mMonth;
d = 1;
switch(mMonth){
case 1: {first_day = y12 + y12/4 +c12/4 - 2*c12 + 26*(13 + 1)/10 + d -
1;break;}
case 2: {first_day = y12 + y12/4 +c12/4 - 2*c12 + 26*(14 + 1)/10 + d -
1;break;}
case 3: {first_day = y + y/4 +c/4 - 2*c + 26*(m + 1)/10 + d - 1;break;}
case 4: {first_day = y + y/4 +c/4 - 2*c + 26*(m + 1)/10 + d - 1;break;}
case 5: {first_day = y + y/4 +c/4 - 2*c + 26*(m + 1)/10 + d - 1;break;}
case 6: {first_day = y + y/4 +c/4 - 2*c + 26*(m + 1)/10 + d - 1;break;}
case 7: {first_day = y + y/4 +c/4 - 2*c + 26*(m + 1)/10 + d - 1;break;}
case 8: {first_day = y + y/4 +c/4 - 2*c + 26*(m + 1)/10 + d - 1;break;}
case 9: {first_day = y + y/4 +c/4 - 2*c + 26*(m + 1)/10 + d - 1;break;}
case 10: {first_day = y + y/4 +c/4 - 2*c + 26*(m + 1)/10 + d - 1;break;}
case 11: {first_day = y + y/4 +c/4 - 2*c + 26*(m + 1)/10 + d - 1;break;}
case 12: {first_day = y + y/4 +c/4 - 2*c + 26*(m + 1)/10 + d - 1;break;}
}
if(first_day<0)
first_day = 7 - (Math.abs(first_day))%7;//first_dayÿÔµÚÒ»ÌìÐÇÆÚ¼¸
else
first_day = first_day%7;
switch(mMonth){
case 1: {CalculateCalendar(1,first_day,31);break;}
case 2: {CalculateCalendar(2,first_day,28+month);break;}
case 3: {CalculateCalendar(3,first_day,31);break;}
case 4: {CalculateCalendar(4,first_day,30);break;}
case 5: {CalculateCalendar(5,first_day,31);break;}
case 6: {CalculateCalendar(6,first_day,30);break;}
case 7: {CalculateCalendar(7,first_day,31);break;}
case 8: {CalculateCalendar(8,first_day,31);break;}
case 9: {CalculateCalendar(9,first_day,30);break;}
case 10:{CalculateCalendar(10,first_day,31);break;}
case 11:{CalculateCalendar(11,first_day,30);break;}
case 12:{CalculateCalendar(12,first_day,31);break;}
}
}
public void CalculateCalendar(int month_no, int week_no, int month_days){
int i, s, targetRow = 0;
int currentDay;
if (this.mDay == 0){
mDay = 1;
currentDay= HoyahCalendar.mDay;
}else {
currentDay = this.mDay;
}
//String[][] a = new String[6][7];
for (i=0;i<week_no;i++)
HoyahCalendar.a[i/7][i%7] = "";
for(i=week_no; i<week_no + month_days; i++){
s = i - week_no + 1;
HoyahCalendar.a[i/7][i%7] = String.valueOf(s);
if (s == currentDay && HoyahCalendar.currentIndex == -1){
HoyahCalendar.currentIndex = i/7;
}
}
for (i=0; i<7;i++){
if (HoyahCalendar.a[HoyahCalendar.currentIndex][i] == null){
HoyahCalendar.a[0][i] = "";
}else{
HoyahCalendar.a[0][i] =
HoyahCalendar.a[HoyahCalendar.currentIndex][i];
}
}
for(i=week_no+month_days; i<42; i++)
HoyahCalendar.a[i/7][i%7] = "";
}
}