AsyncTask

//My Main Class - It's a Calendar

final TextView tvDate[] = new TextView[7];
final TextView tvIssue[] = new TextView[7];

Class Calender extends Activity{
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.calender);

        tvDate[0] = (TextView) findViewById(R.id.tvFirstDate);
        tvDate[1] = (TextView) findViewById(R.id.tvSecondDate);
        tvDate[2] = (TextView) findViewById(R.id.tvThirdDate);
        tvDate[3] = (TextView) findViewById(R.id.tvFourthDate);
        tvDate[4] = (TextView) findViewById(R.id.tvFifthDate);
        tvDate[5] = (TextView) findViewById(R.id.tvSixthDate);
        tvDate[6] = (TextView) findViewById(R.id.tvSeventhDate);

        for (int i = 0; i < 7; i++) {
            tvIssue[i] = new TextView(Calender.this);
        }

        layoutLinear[0] = (LinearLayout) findViewById(R.id.Llfirstday);
        layoutLinear[1] = (LinearLayout) findViewById(R.id.LlSecondDay);
        layoutLinear[2] = (LinearLayout) findViewById(R.id.LlThirdDay);
        layoutLinear[3] = (LinearLayout) findViewById(R.id.LlFourthDay);
        layoutLinear[4] = (LinearLayout) findViewById(R.id.LlFifthDay);
        layoutLinear[5] = (LinearLayout) findViewById(R.id.LlSixthDay);
        layoutLinear[6] = (LinearLayout) findViewById(R.id.LlSeventhDay);

        calendar = Calendar.getInstance();
        calendar.clear();
        calendar.set(Calendar.YEAR, year);
        calendar.set(Calendar.WEEK_OF_YEAR, week);
        date = calendar.getTime();
        String dt;

        dt = sdf.format(date);
        calendar.add(Calendar.DATE, 1);
        calendar.set(Calendar.YEAR, year);
        calendar.set(Calendar.WEEK_OF_YEAR, week);

        try {
            calendar.setTime(sdf.parse(dt));
        } catch (ParseException e2) {

            e2.printStackTrace();
        }
        calendar.add(Calendar.DATE, -1);

        new AsyncIssue().execute();
}

class AsyncIssue extends AsyncTask<Void, Void, Void>{

         @Override
         protected Void doInBackground(Void... params) {
             for(int i = 0; i < 7; i++) {
                    SimpleDateFormat sdf = new SimpleDateFormat("M-dd-yyyy");
                    strDate = "";
                    calendar.add(Calendar.DATE, 1);
                    strDate = sdf.format(calendar.getTime());
                    System.out.println("Date in AsyncIssue is :"+strDate);
                    tvDate[i].setText(strDate);

                    try{
                        String LDID = "";
                        JSONObject[] arrJSONCalData = null;

                        arrJSONCalData = gd.FillCalendarData(Login.userId, strDate, Login.userName);

                        for(int k = 0 ; k < arrJSONCalData.length;k++){

                            String leaveTitle = arrJSONCalData[k].get("leaveTitle").toString();
                            LDID = arrJSONCalData[k].get("LDID").toString();

                            final String calDisplay = arrJSONCalData[k].get("detail").toString();
                            final String headerinIssue = arrJSONCalData[k].get("Header").toString();
                            final String deleteReason = arrJSONCalData[k].get("Delete_reason").toString();

                            System.out.println(i + " :=> LeaveTitle      : " + leaveTitle);
                            System.out.println(i + " :=> Detail : " + arrJSONCalData[k].get("detail").toString());
                            System.out.println(i + " :=> Header     : " + arrJSONCalData[k].get("Header").toString());
                            System.out.println(i + " :=> Delete_Reason  : " + arrJSONCalData[k].get("Delete_reason").toString());
                            System.out.println(i + " :=> LDID : " + arrJSONCalData[k].get("LDID").toString());

                            tvIssue[i] = new TextView(Calender.this);
                            tvIssue[i].setText("> " + leaveTitle);
                            tvIssue[i].setTag(LDID);
                            tvIssue[i].setTextColor(Color.parseColor("#000000"));

                            if(k % 2 == 0 || k == 0){
                                tvIssue[i].setBackgroundColor(Color.parseColor("#bdc3bd"));
                            }

                            tvIssue[i].setWidth(150);
                            tvIssue[i].setTextSize(11);
                            tvIssue[i].setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
                            tvIssue[i].offsetTopAndBottom(5);
                            layoutLinear[i].addView(tvIssue[i]);

                            tvIssue[i].setOnClickListener(new OnClickListener() {
                                public void onClick(View v) {
                                    try {

                                        System.out.println("Reason in CLick :"+deleteReason);
                                        System.out.println("LDID in CLick :"+ v.getTag().toString());
                                        System.out.println("calDisplay in CLick :" + calDisplay);
                                        System.out.println("headerinIssue in CLick :"+ headerinIssue);

                                        Intent intent = new Intent(Calender.this,AddDisplayIssue.class);
                                        intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
                                        intent.putExtra("Detail",calDisplay);
                                        intent.putExtra("LDID", v.getTag().toString());
                                        intent.putExtra("Header", headerinIssue);
                                        intent.putExtra("Delete Reason",deleteReason);
                                        intent.putExtra("Flag", "DisplayIssueDetail");

                                        startActivity(intent);
                                    }
                                    catch (Exception e) {
                                        System.out.println("Error on click of Issue :"+e);
                                    }
                                }
                            });
                        }
                    }
                    catch (Exception e) {
                        System.out.println("Error in AsyncIssue :"+e);
                    }
             }

             return null;
         }

            @Override
            protected void onPostExecute(Void result) {
               // new AsyncIssue().execute();
            }
    }