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我有兩個活動，我需要將一些字符串和一個字符串構建器從TailorThreeActivity.java傳遞到EnquireActivity.java。從活動之間傳遞字符串和字符串構建器
在EnquireActivity屏幕上顯示字符串和stringbuilder數據後，我打電話通過單擊「發送郵件」按鈕來發送郵件。 「發送郵件」按鈕將打開一個郵件客戶端，並將所有字符串和stringbuilder數據設置爲電子郵件正文。
我能夠在EnquireActivity.java中顯示stringbuilder的值，但來自TailorThreeActivity.java的其他字符串沒有顯示在活動中。儘管在EnquireActivity中顯示了stringbuilder，但在電子郵件消息體中都不顯示字符串和stringbuilder。
這是TailorThreeActivity.java
package com.example.travelplanner;
import android.os.Bundle;
import java.util.ArrayList;
import java.util.Calendar;
import android.app.Activity;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.view.Window;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
public class TailoredthreeActivity extends Activity implements OnClickListener{
TextView txtday1, txtmon1, txtday2, txtmon2;
EditText et_name,et_email,et_adult,et_child,et_phone;
Button btn;
private int year,year1;
private int month,month1;
private int day,day1;
String date1, date2;
ArrayList<String> getChecked;
static final int DATE_DIALOG_ID = 0;
static final int DATE2_DIALOG_ID = 1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_tailoredthree);
et_name = (EditText) findViewById(R.id.editname);
et_adult = (EditText) findViewById(R.id.editno_adult);
et_child = (EditText) findViewById(R.id.editno_child);
et_email = (EditText) findViewById(R.id.editmail);
et_phone = (EditText) findViewById(R.id.editphone);
txtday1 = (TextView) findViewById(R.id.txtdate_day);
txtday2 = (TextView) findViewById(R.id.txtdate_day1);
txtmon1 = (TextView) findViewById(R.id.txtdate_mon_year);
txtmon2 = (TextView) findViewById(R.id.txtdate_mon_year1);
btn = (Button)findViewById(R.id.btn_tailorthree_verify);
btn.setOnClickListener(this);
Calendar c = Calendar.getInstance();
year = c.get(Calendar.YEAR);
month = c.get(Calendar.MONTH);
day = c.get(Calendar.DAY_OF_MONTH);
year1 = c.get(Calendar.YEAR);
month1 = c.get(Calendar.MONTH);
day1 = c.get(Calendar.DAY_OF_MONTH);
//get Intents
Bundle extras = getIntent().getExtras();
if(extras!=null)
{
getChecked = extras.getStringArrayList("list");
}
}
@SuppressWarnings("deprecation")
public void showdate(View v) {
showDialog(DATE_DIALOG_ID);
}
@SuppressWarnings("deprecation")
public void showdate1(View v) {
showDialog(DATE2_DIALOG_ID);
}
public void updateDate() {
final String[] MONTHS = {"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};
String mon = MONTHS[month];
txtday1.setText(""+day);
txtmon1.setText(mon+"'"+year);
}
public void updateDate1() {
final String[] MONTHS = {"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};
String mon = MONTHS[month];
txtday2.setText(""+day);
txtmon2.setText(mon+"'"+year);
}
private DatePickerDialog.OnDateSetListener datedialog = new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int yy, int mm,
int dd) {
// TODO Auto-generated method stub
month = mm;
day = dd;
year = yy;
date1 = day+"/"+month+"/"+year;
updateDate();
}
};
private DatePickerDialog.OnDateSetListener datedialog2 = new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int yy, int mm,
int dd) {
// TODO Auto-generated method stub
month1 = mm;
day1 = dd;
year1 = yy;
date2 = day1+"/"+month1+"/"+year1;
updateDate1();
}
};
protected Dialog onCreateDialog(int id) {
//new DatePick
switch (id) {
case DATE_DIALOG_ID:
return new DatePickerDialog(this,
datedialog, year, month,day);
case DATE2_DIALOG_ID:
return new DatePickerDialog(this,
datedialog2, year1, month1,day1);
}
return null;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.tailoredthree, menu);
return true;
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent i1 = new Intent(this, EnquireActivity.class);
i1.putExtra(et_name.getText().toString(), "name");
i1.putExtra(et_adult.getText().toString(), "adults");
i1.putExtra(et_child.getText().toString(), "child");
i1.putExtra(et_email.getText().toString(), "email");
i1.putExtra(et_phone.getText().toString(), "phone");
i1.putExtra(date1, "datedept");
i1.putExtra(date2, "datearr");
i1.putStringArrayListExtra("list1", getChecked);
startActivity(i1);
}
}
這是EnquireActivity.java
package com.example.travelplanner;
import java.util.ArrayList;
import java.util.Calendar;
import android.os.Bundle;
import android.app.Activity;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.DatePicker;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.EditText;
public class EnquireActivity extends Activity implements OnClickListener, OnCheckedChangeListener {
//setting var for datepicker
private int year,year1;
private int month,month1;
private int day,day1;
String date1, date2;
static final int DATE_DIALOG_ID = 0;
static final int DATE2_DIALOG_ID = 1;
Button btn;
StringBuilder stringbuilder, mailbuilder;
String to, subject,msg;
String getname,getadult, getchild, getmail, getphone, getdatedept, getdatearr;
ArrayList<String> getChecked;
CheckBox chk;
EditText et_citylist, et_name, et_adult, et_child, et_mail, et_phone, et_datedepart, et_datearrive;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_enquire);
//registering edittexts
et_citylist = (EditText)findViewById(R.id.enquire_edit_city);
et_name = (EditText)findViewById(R.id.enquire_edit_name);
et_adult = (EditText)findViewById(R.id.enquire_edit_adult);
et_child = (EditText)findViewById(R.id.enquire_edit_child);
et_mail = (EditText)findViewById(R.id.enquire_edit_email);
et_phone = (EditText)findViewById(R.id.enquire_edit_phone);
et_datearrive = (EditText)findViewById(R.id.enquire_edit_datearrival);
et_datedepart = (EditText)findViewById(R.id.enquire_edit_datedeparture);
//setting up email button
btn = (Button)findViewById(R.id.btnemail);
btn.setVisibility(View.GONE);
btn.setOnClickListener(this);
//setting up mail content
to = "[email protected]";
subject = "Tour Package Details Summary";
msg = "Tour Enquiry Details:\nName: "+et_name.getText().toString()+"\nDestinations: "+et_citylist.getText().toString()+"\nNo. of Adult Members: "+et_adult.getText().toString()+"\nNo. of Child Members: "+et_child.getText().toString()+"\nDeparture: "+et_datedepart.getText().toString()+"\nArrival: "+et_datearrive.getText().toString()+"\nEmail: "+et_mail.getText().toString()+"\nContact No.: "+et_phone.getText().toString();
//setting checkbox
chk = (CheckBox)findViewById(R.id.chkenquire);
chk.setOnCheckedChangeListener(this);
//setting calender components for datepicker
Calendar c = Calendar.getInstance();
year = c.get(Calendar.YEAR);
month = c.get(Calendar.MONTH);
day = c.get(Calendar.DAY_OF_MONTH);
year1 = c.get(Calendar.YEAR);
month1 = c.get(Calendar.MONTH);
day1 = c.get(Calendar.DAY_OF_MONTH);
//getting Intents from previous activities
Bundle extras = getIntent().getExtras();
if(extras!=null)
{
getChecked = extras.getStringArrayList("list1");
getname = extras.getString("name");
getadult = extras.getString("adults");
getchild = extras.getString("child");
getmail = extras.getString("email");
getphone = extras.getString("phone");
getdatedept = extras.getString("datedept");
getdatearr = extras.getString("datearr");
stringbuilder = new StringBuilder();
for(String value:getChecked){
stringbuilder.append(value).append(" ");
}
}
//adding citylist to edittext
et_citylist.setText(stringbuilder);
et_name.setText(getname);
et_adult.setText(getadult);
et_child.setText(getchild);
et_mail.setText(getmail);
et_phone.setText(getmail);
et_datearrive.setText(getdatearr);
et_datedepart.setText(getdatedept);
}
@SuppressWarnings("deprecation")
public void showdate(View v) {
showDialog(DATE_DIALOG_ID);
}
@SuppressWarnings("deprecation")
public void showdate1(View v) {
showDialog(DATE2_DIALOG_ID);
}
public void updateDate() {
final String[] MONTHS = {"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};
String mon = MONTHS[month];
et_datedepart.setText(date1);
}
public void updateDate1() {
final String[] MONTHS = {"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};
String mon = MONTHS[month];
et_datearrive.setText(date2);
}
private DatePickerDialog.OnDateSetListener datedialog = new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int yy, int mm,
int dd) {
// TODO Auto-generated method stub
month = mm;
day = dd;
year = yy;
date1 = day+"/"+month+"/"+year;
updateDate();
}
};
private DatePickerDialog.OnDateSetListener datedialog2 = new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int yy, int mm,
int dd) {
// TODO Auto-generated method stub
month1 = mm;
day1 = dd;
year1 = yy;
date2 = day1+"/"+month1+"/"+year1;
updateDate1();
}
};
protected Dialog onCreateDialog(int id) {
//new DatePick
switch (id) {
case DATE_DIALOG_ID:
return new DatePickerDialog(this,
datedialog, year, month,day);
case DATE2_DIALOG_ID:
return new DatePickerDialog(this,
datedialog2, year1, month1,day1);
}
return null;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.enquire, menu);
return true;
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
//Send Mail
Intent email = new Intent(Intent.ACTION_SEND);
email.putExtra(Intent.EXTRA_EMAIL, new String[]{ to});
//email.putExtra(Intent.EXTRA_CC, new String[]{ to});
//email.putExtra(Intent.EXTRA_BCC, new String[]{to});
email.putExtra(Intent.EXTRA_SUBJECT, subject);
email.putExtra(Intent.EXTRA_TEXT, msg);
//need this to prompts email client only
email.setType("message/rfc822");
startActivity(Intent.createChooser(email, "Choose an Email client :"));
}
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
// TODO Auto-generated method stub
if(chk.isChecked())
btn.setVisibility(View.VISIBLE);
else
btn.setVisibility(View.GONE);
}
}
從stringbuilder中獲取文本，並在點擊發送電子郵件按鈕後以字符串的形式傳遞它 – KOTIOS
您是否嘗試使用Log.d（）來查找傳遞給EnquireActivity.java並由TailorAcitivityThree.java發送的值？ – rahulserver