翌月または前月をクリックしたときに月初からの日付を表示する方法は?? 翌月の 9 月をクリックすると 8 月 18 日の今週の始まりだとします フォーム 18 以降の日付を再度表示します フォームを表示しません 月の始まり この画像を参照してくださいhttp://imgur.com/27YDBWD 次をクリックすると再びフォーム 18 が表示されません月の1日から
public class HoyahCalendar extends Activity implements
View.OnClickListener {
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;
Button e00;
Button e01;
Button e02;
Button e03;
Button e04;
Button e05;
Button e06;
Button button;
String value ;
/** 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 = (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);
e00.setOnClickListener(this);
e01.setOnClickListener(this);
e02.setOnClickListener(this);
e03.setOnClickListener(this);
e04.setOnClickListener(this);
e05.setOnClickListener(this);
e05.setOnClickListener(this);
button = (Button) findViewById(R.id.button);
Calendar mCalendar = Calendar.getInstance();
mYear = mCalendar.get(Calendar.YEAR);
mMonth = mCalendar.get(Calendar.MONTH) + 1;
mDay = mCalendar.get(Calendar.DAY_OF_MONTH);
value =String.valueOf(mDay);
button.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
AlertDialog alertDialog = new
AlertDialog.Builder(HoyahCalendar.this).create(); //Read Update
alertDialog.setMessage("Date is"+ value);
alertDialog.setButton("Continue..", new
DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
}
});
alertDialog.show();
}
});
last_month.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
if (mMonth == 1) {
mYear -= 1;
mMonth = 12;
new ShowCalendar(mYear, mMonth);
showOnScreen();
} else {
mMonth -= 1;
new ShowCalendar(mYear, mMonth);
showOnScreen();
}
}
});
next_month.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
if (mMonth == 12) {
mYear += 1;
mMonth = 1;
new ShowCalendar(mYear, mMonth);
showOnScreen();
} else {
mMonth += 1;
new ShowCalendar(mYear, mMonth);
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();
}
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)))
{e00.setTextColor(Color.parseColor("#FFBBFF"));
Toast.makeText(this, "Button1 text equals!", Toast.LENGTH_SHORT).show();
}
else
{
e00.setTextColor(Color.parseColor("#000000"));
}
e01.setText("" + a[0][1]);
// if(e01.getText().toString().equalsIgnoreCase (String.valueOf(mDay)))
if(e01.getText().toString().equals(String.valueOf(mDay)))
{
e01.setTextColor(Color.parseColor("#FFBBFF"));
Toast.makeText(this, "Button2 text equals!", Toast.LENGTH_SHORT).show();
}
else
{
e01.setTextColor(Color.parseColor("#000000"));
}
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();
}
else
{
e02.setTextColor(Color.parseColor("#000000"));
}
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();
}
else
{
e03.setTextColor(Color.parseColor("#000000"));
}
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();
}
else
{
e04.setTextColor(Color.parseColor("#000000"));
}
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();
}
else
{
e05.setTextColor(Color.parseColor("#000000"));
}
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();
}
else
{
e06.setTextColor(Color.parseColor("#000000"));
}
}
public void onRestart() {
super.onRestart();
Intent intent = getIntent();
finish();
startActivity(intent);
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
switch(v.getId()) {
case R.id.e00:
// do stuff;
value=e00.getText().toString();
break;
case R.id.e01:
// do stuff;
value=e01.getText().toString();
break;
case R.id.e02:
// do stuff;
value=e02.getText().toString();
break;
case R.id.e03:
// do stuff;
value=e03.getText().toString();
break;
case R.id.e04:
// do stuff;
value=e04.getText().toString();
break;
case R.id.e05:
// do stuff;
value=e05.getText().toString();
break;
case R.id.e06:
// do stuff;
value=e06.getText().toString();
break;
}
}
}
public class ShowCalendar {
int mYear;
int mMonth;
int mDay;
public ShowCalendar(int mYear, int mMonth){
this.mYear = mYear;
this.mMonth = mMonth;
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 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_day每月第一天星期几
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){
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] = "";
}
}
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@color/lightgray"
android:orientation="vertical" >
<LinearLayout
android:id="@+id/buttonlayout"
android:layout_width="fill_parent"
android:layout_height="60sp"
android:background="@drawable/topbar"
android:gravity="left|top"
android:height="60sp"
android:orientation="horizontal" >
<Button
android:id="@+id/last_week22"
android:layout_width="54sp"
android:layout_height="60sp"
android:background="@drawable/meenu" />
<ImageView
android:id="@+id/last_month"
android:layout_width="20sp"
android:layout_height="fill_parent"
android:layout_gravity="center"
android:layout_marginLeft="10sp"
android:src="@drawable/calendar_left_arrow_selector" >
</ImageView>
<TextView
android:id="@+id/date_today"
android:layout_width="fill_parent"
android:layout_height="60sp"
android:layout_weight="0.6"
android:gravity="center"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#FFFFFF" >
</TextView>
<ImageView
android:id="@+id/next_month"
android:layout_width="20sp"
android:layout_height="fill_parent"
android:layout_gravity="center"
android:layout_marginRight="10sp"
android:src="@drawable/calendar_right_arrow_selector" >
</ImageView>
<Button
android:id="@+id/next_week22"
android:layout_width="54sp"
android:layout_height="60sp"
android:background="@drawable/plus" />
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<ImageView
android:id="@+id/last_week"
android:layout_width="40sp"
android:layout_height="fill_parent"
android:background="@drawable/topbar"
android:src="@drawable/calendar_left_arrow_selector" >
</ImageView>
<TableLayout
android:id="@+id/table_layout"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center_horizontal"
android:stretchColumns="0,1,2,3,4,5,6">
<TableRow
android:paddingBottom="12dp"
android:background="#FEE5AC"
>
<TextView
android:id="@+id/sun"
android:gravity="center"
android:text="@string/sunday"
android:textColor="#000000"/>
<TextView
android:id="@+id/mon"
android:gravity="center"
android:text="@string/monday"
android:textColor="#000000"/>
<TextView
android:id="@+id/tue"
android:gravity="center"
android:text="@string/tuesday"
android:textColor="#000000"/>
<TextView
android:id="@+id/wed"
android:gravity="center"
android:text="@string/wednesday"
android:textColor="#000000"/>
<TextView
android:id="@+id/thur"
android:gravity="center"
android:text="@string/thursday"
android:textColor="#000000"/>
<TextView
android:id="@+id/fri"
android:gravity="center"
android:text="@string/friday"
android:textColor="#000000"/>
<TextView
android:id="@+id/sat"
android:gravity="center"
android:text="@string/saturday"
android:textColor="#000000"/>
</TableRow>
<TableRow
android:paddingBottom="12dp">
<Button
android:id="@+id/e00"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/calendar_button_selector"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#000000" >
</Button>
<Button
android:id="@+id/e01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/calendar_button_selector"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#000000" >
</Button>
<Button
android:id="@+id/e02"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/calendar_button_selector"
android:textAppearance="?android:attr/textAppearanceMedium"
>
</Button>
<Button
android:id="@+id/e03"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/calendar_button_selector"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#000000" >
</Button>
<Button
android:id="@+id/e04"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/calendar_button_selector"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#000000" >
</Button>
<Button
android:id="@+id/e05"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/calendar_button_selector"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#000000" >
</Button>
<Button
android:id="@+id/e06"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/calendar_button_selector"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#000000" >
</Button>
</TableRow>
</TableLayout>
<ImageView
android:id="@+id/next_week"
android:layout_width="40sp"
android:layout_height="fill_parent"
android:background="@drawable/topbar"
android:src="@drawable/calendar_right_arrow_selector" >
</ImageView>
</LinearLayout>
<Button
android:id="@+id/button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Click Me"
android:onClick="showAlert"/>
</LinearLayout>