我是Android的新手尝试添加用户联系的一些出生日期，并将数据库中存储的这些日期与系统的当前日期进行比较，下面是我的代码，它成功存储数据但是，然后在警告对话框中显示一些问题部分，警报不起作用，任何人都可以帮助
public class start extends Activity {
// Button b1, b2, b3, b4;
ImageView i1, i2;
entry entry;
String date[];
String name[];
String cono[];
String month[] = { "Jan", "Feb", "March", "Apr", "May", "Jun", "Jul",
"Aug", "Sep", "Oct", "Nov", "Dec" };
int num[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 };
@SuppressLint("SimpleDateFormat")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(com.example.forget.R.layout.start);
final Context context = this;
i1 = (ImageView) findViewById(com.example.forget.R.id.imageView1);
i2 = (ImageView) findViewById(com.example.forget.R.id.imageView2);
final Intent intent = new Intent(this, MainActivity.class);
final Intent intent1 = new Intent(this, show.class);
String da = getDate();
System.out.println(da);
// get data by Dob
entry = new entry(context);
List<Event> event = entry.getdatabByDate(da);
Iterator li = event.iterator();
String dateev = "";
String nameev = "";
String conodob = "";
while (li.hasNext()) {
Event event2 = (Event) li.next();
dateev = event2.getDob() + "/" + dateev;
conodob = event2.getContact() + "/" + conodob;
nameev = event2.getName() + "/" + nameev;
}
date = dateev.split("/");
name = nameev.split("/");
cono = conodob.split("/");
for (int i = 0; i < date.length; i++) {
if (date[i].equals(da)) {
final String n = name[i];
final String con = cono[i];
AlertDialog.Builder ab = new AlertDialog.Builder(context);
ab.setTitle("Your Title");
ab.setMessage("Today " + n + " Birthday")
.setPositiveButton("OK",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface arg0,
int arg1) {
sendSms(con);
}
})
.setNegativeButton("CANCEL",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which) {
Toast.makeText(getApplicationContext(),
"NO", 4000).show();
}
});
AlertDialog ab1 = ab.create();
ab1.show();
}
}
i1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
startActivity(intent);
}
});
i2.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
startActivity(intent1);
}
});
}
public void sendSms(String conoOfDob) {
Toast.makeText(getApplicationContext(), conoOfDob, 4000).show();
/*
* PendingIntent
* pendingIntent=PendingIntent.getActivities(getApplicationContext(), 0,
* null, 0); SmsManager sms=SmsManager.getDefault();
* sms.sendTextMessage(conoOfDob, null, "Happy Bday", pendingIntent,
* null);
*/
}
public void SendSms(String conoOfDob) {
Toast.makeText(getApplicationContext(), conoOfDob, 4000).show();
/*
* PendingIntent
* pendingIntent=PendingIntent.getActivities(getApplicationContext(), 0,
* null, 0); SmsManager sms=SmsManager.getDefault();
* sms.sendTextMessage(conoOfDob, null, "Happy Bday", pendingIntent,
* null);
*/
}
@SuppressLint("SimpleDateFormat")
public String getDate() {
Calendar cal = Calendar.getInstance();
SimpleDateFormat sdf = new SimpleDateFormat("M-dd");
String strDate = sdf.format(cal.getTime());
Toast.makeText(getApplicationContext(), strDate, 2000).show();
return strDate;
}
}