Android定时发短信源代码

package com.ldci.cccc; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Calendar; import java.util.Date; import android.app.Activity; import android.app.AlarmManager; import android.app.AlertDialog; import android.app.PendingIntent; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.SharedPreferences; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.DatePicker; import android.widget.EditText; import android.widget.TimePicker; import android.widget.Toast; public class MainActivity extends Activity implements OnClickListener { MyEvent event2; ArrayList<MyEvent> al = new ArrayList<MyEvent>(); TyhYa ya; /** Called when the activity is first created. */ String moblenum; String sendsms; private EditText bt1, nr; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Button bt = (Button) findViewById(R.id.Button01); bt.setOnClickListener(this); bt1 = (EditText) findViewById(R.id.EditText01); nr = (EditText) findViewById(R.id.EditText02); } @Override public void onClick(View v) { switch (v.getId()) { case R.id.Button01: View view = getLayoutInflater().inflate(R.layout.alarm, null); final TimePicker timePicker = (TimePicker) view .findViewById(R.id.timepicker); final DatePicker datePicker = (DatePicker) view .findViewById(R.id.DatePicker01); timePicker.setIs24HourView(true); new AlertDialog.Builder(this).setTitle("设置提醒时间").setView(view) .setPositiveButton("确定", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Calendar c = Calendar.getInstance(); c.set(datePicker.getYear(), datePicker .getMonth(), datePicker .getDayOfMonth(), timePicker .getCurrentHour(), timePicker .getCurrentMinute(), 0); SimpleDateFormat sdf = new SimpleDateFormat( "yyyy-MM-dd HH:mm"); moblenum = bt1.getText().toString(); sendsms = nr.getText().toString(); Date date2 = TyhYa.getDateTime(sdf.format(c .getTime())); event2 = new MyEvent(moblenum, sendsms, date2.getTime()); al.add(event2); ya = new TyhYa(al); event2.runEvent(); Thread thread = new Thread(ya); thread.start(); Toast .makeText( MainActivity.this, "您将在" + sdf.format(c .getTime()) + "发送短信", Toast.LENGTH_LONG).show(); bt1.setText(""); nr.setText(""); } }).setNegativeButton("取消", null).show(); break; } } }