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所选日期显示在android应用程序的横向方向上

android

所选日期显示在android应用程序的横向方向上,android,adapter,android-calendar,Android,Adapter,Android Calendar,我必须开发一个android日历应用程序 我必须运行我的应用程序，显示日历。默认情况下，今天日期用蓝色突出显示。现在我想选择任何其他日期意味着选择的日期是高光到蓝色。它完美地工作在肖像模式。如果我在纵向模式下选择了其他日期并更改了方向，则表示所选日期只需以蓝色背景突出显示。但在我今天的申请表中，日期仅以蓝色背景突出显示。请检查我的代码并为我提供解决方案？为什么会这样 更改方向时，所选日期必须以蓝色背景突出显示。我该怎么办 我使用了以下代码： public class CalendarVi

我必须开发一个android日历应用程序

我必须运行我的应用程序，显示日历。默认情况下，今天日期用蓝色突出显示。现在我想选择任何其他日期意味着选择的日期是高光到蓝色。它完美地工作在肖像模式。如果我在纵向模式下选择了其他日期并更改了方向，则表示所选日期只需以蓝色背景突出显示。但在我今天的申请表中，日期仅以蓝色背景突出显示。请检查我的代码并为我提供解决方案？为什么会这样

更改方向时，所选日期必须以蓝色背景突出显示。我该怎么办

我使用了以下代码：

    public class CalendarView extends Activity {

public GregorianCalendar month, itemmonth;// calendar instances.

public CalendarAdapter adapter;// adapter instance
public Handler handler;// for grabbing some event values for showing the dot
                        // marker.
public ArrayList<String> items; // container to store calendar items which

ArrayList<String> event;
ArrayList<String> date;
ArrayList<String> desc;
    public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.calendar);
    Locale.setDefault(Locale.US);
    month = (GregorianCalendar) GregorianCalendar.getInstance();
    itemmonth = (GregorianCalendar) month.clone();
    items = new ArrayList<String>();
    adapter = new CalendarAdapter(this, month);
    GridView gridview = (GridView) findViewById(R.id.gridview);
    gridview.setAdapter(adapter);
    handler = new Handler();
    handler.post(calendarUpdater);
    TextView title = (TextView) findViewById(R.id.title);
    title.setText(android.text.format.DateFormat.format("MMMM yyyy", month));
    RelativeLayout previous = (RelativeLayout) findViewById(R.id.previous);
    previous.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            setPreviousMonth();
            refreshCalendar();
        }
    });

    RelativeLayout next = (RelativeLayout) findViewById(R.id.next);
    next.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            setNextMonth();
            refreshCalendar();

        }
    });

    gridview.setOnItemClickListener(new OnItemClickListener() {
        public void onItemClick(AdapterView<?> parent, View v,
                int position, long id) {
            desc = new ArrayList<String>();
            date = new ArrayList<String>();
            ((CalendarAdapter) parent.getAdapter()).setSelected(v);
            String selectedGridDate = CalendarAdapter.dayString
                    .get(position);
            String[] separatedTime = selectedGridDate.split("-");
            String gridvalueString = separatedTime[2].replaceFirst("^0*",
                    "");// taking last part of date. ie; 2 from 2012-12-02.
            int gridvalue = Integer.parseInt(gridvalueString);
            // navigate to next or previous month on clicking offdays.
            if ((gridvalue > 10) && (position < 8)) {
                setPreviousMonth();
                refreshCalendar();
            } else if ((gridvalue < 7) && (position > 28)) {
                setNextMonth();
                refreshCalendar();
            }
            ((CalendarAdapter) parent.getAdapter()).setSelected(v);

            for (int i = 0; i < Utility.startDates.size(); i++) {
                if (Utility.startDates.get(i).equals(selectedGridDate)) {
                    desc.add(Utility.nameOfEvent.get(i));
                }
            }

            if (desc.size() > 0) {
                for (int i = 0; i < desc.size(); i++) {
                    TextView rowTextView = new TextView(CalendarView.this);

                    // set some properties of rowTextView or something
                    rowTextView.setText("Event:" + desc.get(i));
                    rowTextView.setTextColor(Color.BLACK);

                    // add the textview to the linearlayout
                //  rLayout.addView(rowTextView);

                }
            }
            desc = null;
        }
    });
}

protected void setNextMonth() {
    if (month.get(GregorianCalendar.MONTH) == month
            .getActualMaximum(GregorianCalendar.MONTH)) {
        month.set((month.get(GregorianCalendar.YEAR) + 1),
                month.getActualMinimum(GregorianCalendar.MONTH), 1);
    } else {
        month.set(GregorianCalendar.MONTH,
                month.get(GregorianCalendar.MONTH) + 1);
    }

}

protected void setPreviousMonth() {
    if (month.get(GregorianCalendar.MONTH) == month
            .getActualMinimum(GregorianCalendar.MONTH)) {
        month.set((month.get(GregorianCalendar.YEAR) - 1),
                month.getActualMaximum(GregorianCalendar.MONTH), 1);
    } else {
        month.set(GregorianCalendar.MONTH,
                month.get(GregorianCalendar.MONTH) - 1);
    }

}

protected void showToast(String string) {
    Toast.makeText(this, string, Toast.LENGTH_SHORT).show();

}

public void refreshCalendar() {
    TextView title = (TextView) findViewById(R.id.title);
    adapter.refreshDays();
    adapter.notifyDataSetChanged();
    handler.post(calendarUpdater); // generate some calendar items
    title.setText(android.text.format.DateFormat.format("MMMM yyyy", month));
}

public Runnable calendarUpdater = new Runnable() {

    @Override
    public void run() {
        items.clear();
        DateFormat df = new SimpleDateFormat("yyyy-MM-dd", Locale.US);
        String itemvalue;
        event = Utility.readCalendarEvent(CalendarView.this);
        Log.d("=====Event====", event.toString());
        Log.d("=====Date ARRAY====", Utility.startDates.toString());
        for (int i = 0; i < Utility.startDates.size(); i++) {
            itemvalue = df.format(itemmonth.getTime());
            itemmonth.add(GregorianCalendar.DATE, 1);
            items.add(Utility.startDates.get(i).toString());
        }
        adapter.setItems(items);
        adapter.notifyDataSetChanged();
    }
};
@Override
public void onConfigurationChanged(Configuration newConfig) {
    super.onConfigurationChanged(newConfig);

}
}

公共类日历视图扩展活动{
public gregoriacalendar month，itemmonth；//日历实例。
公共日历适配器；//适配器实例
public Handler；//用于获取一些事件值以显示点
//马克。
public ArrayList items；//用于存储日历项的容器
ArrayList事件；
ArrayList日期；
ArrayList desc；
创建时的公共void（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）；
setContentView（R.layout.calendar）；
setDefault（Locale.US）；
month=（GregorianCalendar）GregorianCalendar.getInstance（）；
itemmonth=（GregorianCalendar）month.clone（）；
items=newarraylist（）；
适配器=新日历适配器（本月）；
GridView GridView=（GridView）findViewById（R.id.GridView）；
setAdapter（适配器）；
handler=新的handler（）；
handler.post（日历更新程序）；
TextView title=（TextView）findViewById（R.id.title）；
title.setText（android.text.format.DateFormat.format（“MMMM-yyyy”，month））；
RelativeLayout previous=（RelativeLayout）findViewById（R.id.previous）；
previous.setOnClickListener（新的OnClickListener（）{
@凌驾
公共void onClick（视图v）{
setPreviousMonth（）；
刷新日历（）；
}
});
RelativeLayout next=（RelativeLayout）findViewById（R.id.next）；
setOnClickListener（新的OnClickListener（）{
@凌驾
公共void onClick（视图v）{
setNextMonth（）；
刷新日历（）；
}
});
setOnItemClickListener（新的OnItemClickListener（）{
public void onItemClick（AdapterView父视图、视图v、，
内部位置，长id）{
desc=新的ArrayList（）；
日期=新的ArrayList（）；
（（CalendarAdapter）parent.getAdapter（））.setSelected（v）；
String selectedGridDate=CalendarAdapter.dayString
.获得（职位）；
String[]separatedTime=selectedgridate.split（“-”）；
String gridvalueString=separatedTime[2]。replaceFirst（“^0*”，
“”）；//从2012年12月2日开始计算日期的最后一部分。
int gridvalue=Integer.parseInt（gridvalueString）；
//单击offdays导航到下个月或上个月。
如果（（网格值>10）和&（位置<8））{
setPreviousMonth（）；
刷新日历（）；
}否则如果（（网格值<7）和（&（位置>28））{
setNextMonth（）；
刷新日历（）；
}
（（CalendarAdapter）parent.getAdapter（））.setSelected（v）；
对于（int i=0；i0）{
对于（int i=0；i    public class CalendarAdapter extends BaseAdapter {
private Context mContext;

private java.util.Calendar month;
public GregorianCalendar pmonth; // calendar instance for previous month
/**
 * calendar instance for previous month for getting complete view
 */
public GregorianCalendar pmonthmaxset;
private GregorianCalendar selectedDate;
int firstDay;
int maxWeeknumber;
int maxP;
int calMaxP;
int lastWeekDay;
int leftDays;
int mnthlength;
String itemvalue, curentDateString;
DateFormat df;
private ArrayList<String> items;
public static List<String> dayString;
private View previousView;

public CalendarAdapter(Context c, GregorianCalendar monthCalendar) {
    CalendarAdapter.dayString = new ArrayList<String>();
    Locale.setDefault(Locale.US);
    month = monthCalendar;
    selectedDate = (GregorianCalendar) monthCalendar.clone();
    mContext = c;
    month.set(GregorianCalendar.DAY_OF_MONTH, 1);
    this.items = new ArrayList<String>();
    df = new SimpleDateFormat("yyyy-MM-dd", Locale.US);
    curentDateString = df.format(selectedDate.getTime());
    refreshDays();
}

public void setItems(ArrayList<String> items) {
    for (int i = 0; i != items.size(); i++) {
        if (items.get(i).length() == 1) {
            items.set(i, "0" + items.get(i));
        }
    }
    this.items = items;
}

public int getCount() {
    return dayString.size();
}

public Object getItem(int position) {
    return dayString.get(position);
}

public long getItemId(int position) {
    return 0;
}

// create a new view for each item referenced by the Adapter
public View getView(int position, View convertView, ViewGroup parent) {
    View v = convertView;
    TextView dayView;
    if (convertView == null) { // if it's not recycled, initialize some
                                // attributes
        LayoutInflater vi = (LayoutInflater) mContext
                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        v = vi.inflate(R.layout.calendar_item, null);

    }
    dayView = (TextView) v.findViewById(R.id.date);
    // separates daystring into parts.
    String[] separatedTime = dayString.get(position).split("-");
    // taking last part of date. ie; 2 from 2012-12-02
    String gridvalue = separatedTime[2].replaceFirst("^0*", "");
    // checking whether the day is in current month or not.
    if ((Integer.parseInt(gridvalue) > 1) && (position < firstDay)) {
        // setting offdays to white color.
        dayView.setTextColor(Color.WHITE);
        dayView.setClickable(false);
        dayView.setFocusable(false);
    } else if ((Integer.parseInt(gridvalue) < 7) && (position > 28)) {
        dayView.setTextColor(Color.WHITE);
        dayView.setClickable(false);
        dayView.setFocusable(false);
    } else {
        // setting curent month's days in blue color.
        dayView.setTextColor(Color.BLUE);
    }

    if (dayString.get(position).equals(curentDateString)) {
        setSelected(v);
        previousView = v;
    } else {
        v.setBackgroundResource(R.drawable.list_item_background);
    }
    dayView.setText(gridvalue);

    // create date string for comparison
    String date = dayString.get(position);

    if (date.length() == 1) {
        date = "0" + date;
    }
    String monthStr = "" + (month.get(GregorianCalendar.MONTH) + 1);
    if (monthStr.length() == 1) {
        monthStr = "0" + monthStr;
    }

    // show icon if date is not empty and it exists in the items array
    // 
    ImageView iw = (ImageView) v.findViewById(R.id.date_icon);
    if (date.length() > 0 && items != null && items.contains(date)) {
        iw.setVisibility(View.VISIBLE);
    } else {
        iw.setVisibility(View.INVISIBLE);
    }
    return v;
}

public View setSelected(View view) {
    if (previousView != null) {
        previousView.setBackgroundResource(R.drawable.list_item_background);
    }
    previousView = view;
    view.setBackgroundResource(R.drawable.calendar_cel_selectl);
    return view;
}

public void refreshDays() {
    // clear items
    items.clear();
    dayString.clear();
    Locale.setDefault(Locale.US);
    pmonth = (GregorianCalendar) month.clone();
    // month start day. ie; sun, mon, etc
    firstDay = month.get(GregorianCalendar.DAY_OF_WEEK);
    // finding number of weeks in current month.
    maxWeeknumber = month.getActualMaximum(GregorianCalendar.WEEK_OF_MONTH);
    // allocating maximum row number for the gridview.
    mnthlength = maxWeeknumber * 7;
    maxP = getMaxP(); // previous month maximum day 31,30....
    calMaxP = maxP - (firstDay - 1);// calendar offday starting 24,25 ...
    /**
     * Calendar instance for getting a complete gridview including the three
     * month's (previous,current,next) dates.
     */
    pmonthmaxset = (GregorianCalendar) pmonth.clone();
    /**
     * setting the start date as previous month's required date.
     */
    pmonthmaxset.set(GregorianCalendar.DAY_OF_MONTH, calMaxP + 1);

    /**
     * filling calendar gridview.
     */
    for (int n = 0; n < mnthlength; n++) {
        itemvalue = df.format(pmonthmaxset.getTime());
        pmonthmaxset.add(GregorianCalendar.DATE, 1);
        dayString.add(itemvalue);
    }
}

private int getMaxP() {
    int maxP;
    if (month.get(GregorianCalendar.MONTH) == month
            .getActualMinimum(GregorianCalendar.MONTH)) {
        pmonth.set((month.get(GregorianCalendar.YEAR) - 1),
                month.getActualMaximum(GregorianCalendar.MONTH), 1);
    } else {
        pmonth.set(GregorianCalendar.MONTH,
                month.get(GregorianCalendar.MONTH) - 1);
    }
    maxP = pmonth.getActualMaximum(GregorianCalendar.DAY_OF_MONTH);

    return maxP;
}}

     <activity
    android:name=".CalendarView"
    android:configChanges="keyboardHidden|orientation|screenSize"
    android:label="@string/app_name" >
        </activity> 

@Override
public void onSaveInstanceState(Bundle savedInstanceState) {
  super.onSaveInstanceState(savedInstanceState);
  // Save UI state changes to the savedInstanceState.
  // This bundle will be passed to onCreate if the process is
  // killed and restarted.

  savedInstanceState.putInt("MyInt", 1);
  // etc.
}

@Override
public void onRestoreInstanceState(Bundle savedInstanceState) {
  super.onRestoreInstanceState(savedInstanceState);
  // Restore UI state from the savedInstanceState.
  // This bundle has also been passed to onCreate.

  int myInt = savedInstanceState.getInt("MyInt");
}