要做的程式在某面要放多個不同的功能，目前有放掃描器和選擇時間日期的等等
但是選擇日期的dateandtimeHandler這部分的錯誤我抓不出來..想請路過的高手幫我看看!! 感謝!!!
程式碼如下:
package tw.project1;
import java.util.Calendar;
import android.app.Activity;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.app.TimePickerDialog;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.TimePicker;
public class third extends Activity {
private Button btn_1;
private TextView txt_1;
private Spinner spinner;
private TextView data;
//
private EditText showDate = null;
private Button pickDate = null;
private EditText showTime = null;
private Button pickTime = null;
private static final int SHOW_DATAPICK = 0;
private static final int DATE_DIALOG_ID = 1;
private static final int SHOW_TIMEPICK = 2;
private static final int TIME_DIALOG_ID = 3;
private int mYear;
private int mMonth;
private int mDay;
private int mHour;
private int mMinute;
//
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.thirdpage);
initializeViews();
final Calendar c = Calendar.getInstance();
mYear = c.get(Calendar.YEAR);
mMonth = c.get(Calendar.MONTH);
mDay = c.get(Calendar.DAY_OF_MONTH);
mHour = c.get(Calendar.HOUR_OF_DAY);
mMinute = c.get(Calendar.MINUTE);
setDateTime();
setTimeOfDay();
//*SCANNER部分*
btn_1 = (Button) findViewById(R.id.widget34);
txt_1 = (TextView) findViewById(R.id.textView1);
btn_1.setOnClickListener(widget34Lis);
//*SPINNER部分*
spinner = (Spinner) findViewById(R.id.spinner);
data = (EditText) findViewById(R.id.edt1);
//
}
private void initializeViews(){
showDate = (EditText) findViewById(R.id.showdate);
pickDate = (Button) findViewById(R.id.pickdate);
showTime = (EditText)findViewById(R.id.showtime);
pickTime = (Button)findViewById(R.id.picktime);
pickDate.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Message msg = new Message();
if (pickDate.equals((Button) v)) {
msg.what = third.SHOW_DATAPICK;
}
third.this.dateandtimeHandler.sendMessage(msg);
}
});
pickTime.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Message msg = new Message();
if (pickTime.equals((Button) v)) {
msg.what = third.SHOW_TIMEPICK;
}
third.this.dateandtimeHandler.sendMessage(msg);
}
});
}
/**
* 设置日期
*/
private void setDateTime(){
final Calendar c = Calendar.getInstance();
mYear = c.get(Calendar.YEAR);
mMonth = c.get(Calendar.MONTH);
mDay = c.get(Calendar.DAY_OF_MONTH);
updateDateDisplay();
}
/**
* 更新日期
*/
private void updateDateDisplay(){
showDate.setText(new StringBuilder().append(mYear).append("-")
.append((mMonth + 1) < 10 ? "0" + (mMonth + 1) : (mMonth + 1)).append("-")
.append((mDay < 10) ? "0" + mDay : mDay));
}
/**
* 日期控件
*/
private DatePickerDialog.OnDateSetListener mDateSetListener = new DatePickerDialog.OnDateSetListener() {
public void onDateSet(DatePicker view, int year, int monthOfYear,
int dayOfMonth) {
mYear = year;
mMonth = monthOfYear;
mDay = dayOfMonth;
updateDateDisplay();
}
};
/**
* 时间
*/
private void setTimeOfDay(){
final Calendar c = Calendar.getInstance();
mHour = c.get(Calendar.HOUR_OF_DAY);
mMinute = c.get(Calendar.MINUTE);
updateTimeDisplay();
}
/**
* 時間顯示
*/
private void updateTimeDisplay(){
showTime.setText(new StringBuilder().append(mHour).append(":")
.append((mMinute < 10) ? "0" + mMinute : mMinute));
}
/**
* 時間控制
*/
private TimePickerDialog.OnTimeSetListener mTimeSetListener = new TimePickerDialog.OnTimeSetListener() {
@Override
public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
mHour = hourOfDay;
mMinute = minute;
updateTimeDisplay();
}
};
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case DATE_DIALOG_ID:
return new DatePickerDialog(this, mDateSetListener, mYear, mMonth,
mDay);
case TIME_DIALOG_ID:
return new TimePickerDialog(this, mTimeSetListener, mHour, mMinute, true);
}
return null;
}
@Override
protected void onPrepareDialog(int id, Dialog dialog) {
switch (id) {
case DATE_DIALOG_ID:
((DatePickerDialog) dialog).updateDate(mYear, mMonth, mDay);
break;
case TIME_DIALOG_ID:
((TimePickerDialog) dialog).updateTime(mHour, mMinute);
break;
}
/**
* Handler
*/
Handler dateandtimeHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case third.SHOW_DATAPICK:
showDialog(DATE_DIALOG_ID);
break;
case third.SHOW_TIMEPICK:
showDialog(TIME_DIALOG_ID);
break;
}
}
};
//SPINNER
ArrayAdapter<CharSequence> adaptstaff = ArrayAdapter.createFromResource(this, R.array.staff, android.R.layout.simple_spinner_item);
adaptstaff.setDropDownViewResource(android.R.layout.simple_dropdown_item_1line);
spinner.setAdapter(adaptstaff);
spinner.setOnItemSelectedListener(new Spinner.OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> arg0,View arg1,
int arg2, long arg3){
data.setText(spinner.getSelectedItem() .toString());
}
public void onNothingSelected(AdapterView<?> arg0){
}
});
}
//scanner
private OnClickListener widget34Lis = new OnClickListener() {
public void onClick(View v) {
Intent intent = new Intent("com.google.zxing.client.android.SCAN"); //開啟條碼掃描器
intent.putExtra("SCAN_MODE", "QR_CODE_MODE"); //設定QR Code參數
startActivityForResult(intent, 1);
}
};
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// TODO Auto-generated method stub
super.onActivityResult(requestCode, resultCode, data);
String contents = data.getStringExtra("SCAN_RESULT"); //取得QR Code內容
txt_1.setText(contents);
};
}
程式碼中紅字dateandtimeHandler的部分是錯誤及抓不到的地方
感謝!! |
鑽石
碎鑽
金豆
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