我是Android的新手，我完全绑定了我的应用程序，但我希望现在可以更改它。
当有人发送短信时，我想显示一个确认对话框，用于发送短信请求发送。我必须创建一个公共类，因为我已经编写了源代码并且它工作正常但如果用户没有单击是或取消对话框熄灭但我希望它仍然会显示，直到用户没有单击是或取消按钮。
如何解决？
public void send_SMS( final String message)
{
try{
AlertDialog.Builder dialog = new AlertDialog.Builder(ctx);
dialog.setTitle("Send SMS");
dialog.setMessage("Are U sure want to Send SMS");
dialog.setCancelable(true);
dialog.setPositiveButton("Yes", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
sentpi = PendingIntent.getBroadcast(ctx, 0, new Intent(SENT),0);
delpi = PendingIntent.getBroadcast(ctx, 0, new Intent(DELIVERED), 0);//
String id = message.substring(3, 4);
int msgId = Integer.valueOf(id, 16).intValue();
if(dba.IsConOpenOrClose()==false)
dba.Open();
if(ConstantClass.SelectCord.equals("All")){
if(msgId == 3 || msgId == 9){
devId = message.substring(4, 20);
ConstantClass.CurrentId = devId;
strSql = new String("SELECT * FROM "+ ConstantClass.dbName[2] + " WHERE " + DataBaseAdapter.Key_DevID + " = ?");
cur = dba.ExecuteSelect(strSql, devId);
if(cur!=null)
cur.moveToFirst();
int cordId = cur.getInt(cur.getColumnIndex(DataBaseAdapter.Key_DevCoordId));
phoneNumber = dba.getSendSmsMobileNo(cordId);
dba.prcUpdateOrClean(devId, 1);
cur.close();
}
}else{
phoneNumber = dba.getSendSmsMobileNo(dba.CurrentWorkingCoordinator(DataBaseAdapter.Key_SendCoord, 1));
/*********now getting the Field smsProcess Update for particular devices ********************/
if(msgId == 3 || msgId == 9 || msgId == 7){
devId = message.substring(4, 20);
if(dba.IsConOpenOrClose()==false)
dba.Open();
ConstantClass.CurrentId = devId;
dba.prcUpdateOrClean(devId, 1);
}else if(msgId == 15 || msgId == 13 || msgId == 11 || msgId == 1){
if (dba.IsConOpenOrClose()==false)
dba.Open();
phoneNumber = dba.getSendSmsMobileNo(dba.CurrentWorkingCoordinator(DataBaseAdapter.Key_SendCoord, 1));
if(phoneNumber.length()==11){
pdNo = phoneNumber.substring(1, 11);
}else{
pdNo = phoneNumber.substring(0, 10);
}
devId = "000000" + pdNo;
ConstantClass.CurrentId = devId;
dba.prcUpdateOrClean(devId, 1);
}
}
SmsManager sms = SmsManager.getDefault();
if(phoneNumber!=null){
sms.sendTextMessage(phoneNumber, null, message.toUpperCase(), sentpi, delpi);
}else{
throw new java.lang.NullPointerException() ;
}
}
});
dialog.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
dialog.cancel();
}
});
AlertDialog dlg = dialog.create();
dlg.show();
}catch(Throwable e){
dlg = new ExceptionDialog(this.ctx,"Sending SMS",e.getMessage());
dlg.show();
}
}
public BroadcastReceiver sms_send = new BroadcastReceiver(){
@Override
public void onReceive(Context context,Intent intent){
String Info = "Send Info:";
switch(getResultCode()){
case Activity.RESULT_OK:
Info += "Sms Send Successfull";
break;
case SmsManager.RESULT_ERROR_GENERIC_FAILURE:
Info += "Sms Sending faild : genric faliure";
break;
case SmsManager.RESULT_ERROR_NO_SERVICE:
Info += "Sending failed due to no Service";
break;
case SmsManager.RESULT_ERROR_NULL_PDU:
Info += "Send failed : Null PDU";
break;
case SmsManager.RESULT_ERROR_RADIO_OFF:
Info += "Send failed: Radio Service OFF";
break;
}
Toast.makeText(ctx, Info, Toast.LENGTH_SHORT).show();
}
};
public BroadcastReceiver sms_delivered = new BroadcastReceiver(){
@Override
public void onReceive(Context context, Intent intent){
String Info = "SMS Delivered :";
switch(getResultCode()){
case Activity.RESULT_OK:
Info += "Sms Deliverd";
break;
case Activity.RESULT_CANCELED:
Info += "Sms not Delivered";
break;
}
Toast.makeText(ctx, Info, Toast.LENGTH_SHORT).show();
}
};
public IntentFilter getSentIntentFilter(){
return new IntentFilter(SENT);
}
public IntentFilter getDeliveredFilter(){
return new IntentFilter(DELIVERED);
}
/*private void reThrow(MyException ex){
if(ex.nullPointerException instanceof NullPointerException ){
}
}
private class MyException extends Exception{
public Exception nullPointerException;
public MyException (){}
public MyException(Exception NullPointerException){
this.nullPointerException = NullPointerException;
}
}*/
}
答案 0 :(得分：2)
dialog.setCancelable(true); should be like dialog.setCancelable(false);
当用户按下按钮时，它可以防止关闭警告对话框：）
答案 1 :(得分：2)
使用我的班级：
import java.util.ArrayList;
import org.mabna.order.R;
import org.mabna.order.dataModel.EntMapMovementsCollection;
import android.app.Activity;
import android.app.AlertDialog;
import android.graphics.Typeface;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;
public class MessageBox {
static ArrayList<AlertDialog> arrAlertDialog = new ArrayList<AlertDialog>();
static OnMyDialogResult mDialogResult; // the callback
public enum MessageBoxState {
OK, YesNo
}
public enum MessageBoxResult {
OK, Cancel, Yes, No
}
public final static void show(final Activity parent, String title,
String message, MessageBoxState state) {
// if (alertDialog != null)
// {
// alertDialog.dismiss();
// }
AlertDialog.Builder builder;
LayoutInflater inflater = (LayoutInflater) parent
.getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
View layout = inflater.inflate(R.layout.dialog_messagebox,
(ViewGroup) parent.findViewById(R.id.layout_root));
layout.setMinimumWidth(400);
Typeface tf = Farsi.GetFarsiFont(parent);
TextView tvTitle = (TextView) layout.findViewById(R.id.tvTitle);
tvTitle.setText(Farsi.Convert(title));
tvTitle.setTypeface(tf);
tvTitle.setPadding(10, 10, 10, 10);
TextView tvMessage = (TextView) layout.findViewById(R.id.tvMessage);
tvMessage.setText(Farsi.Convert(message));
tvMessage.setTypeface(tf);
tvMessage.setPadding(10, 10, 10, 10);
Button btnOK = (Button) layout.findViewById(R.id.btnOK);
Button btnYes = (Button) layout.findViewById(R.id.btnYes);
Button btnNo = (Button) layout.findViewById(R.id.btnNo);
Button btnCancel = (Button) layout.findViewById(R.id.btnCancel);
btnOK.setText(Farsi.Convert("تایید"));
btnOK.setTypeface(tf);
LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) btnOK
.getLayoutParams();
lp.setMargins(10, 10, 10, 10);
btnOK.setLayoutParams(lp);
btnYes.setText(Farsi.Convert("بله"));
btnYes.setTypeface(tf);
lp = (LinearLayout.LayoutParams) btnYes
.getLayoutParams();
lp.setMargins(10, 10, 10, 10);
btnYes.setLayoutParams(lp);
btnNo.setText(Farsi.Convert("خیر"));
btnNo.setTypeface(tf);
btnNo.setPadding(10, 10, 10, 10);
lp = (LinearLayout.LayoutParams) btnNo
.getLayoutParams();
lp.setMargins(10, 10, 10, 10);
btnNo.setLayoutParams(lp);
btnCancel.setText(Farsi.Convert("انصراف"));
btnCancel.setTypeface(tf);
btnCancel.setPadding(10, 10, 10, 10);
lp = (LinearLayout.LayoutParams) btnCancel
.getLayoutParams();
lp.setMargins(10, 10, 10, 10);
btnCancel.setLayoutParams(lp);
btnOK.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
btnOK_onClick();
}
});
btnYes.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
btnYes_onClick();
}
});
btnNo.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
btnNo_onClick();
}
});
btnCancel.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
btnCancel_onClick();
}
});
LinearLayout layout_OK = (LinearLayout) layout
.findViewById(R.id.layout_OK);
LinearLayout layout_YesNo = (LinearLayout) layout
.findViewById(R.id.layout_YesNo);
switch (state) {
case OK:
layout_YesNo.setVisibility(LinearLayout.GONE);
layout_OK.setVisibility(LinearLayout.VISIBLE);
break;
case YesNo:
layout_YesNo.setVisibility(LinearLayout.VISIBLE);
layout_OK.setVisibility(LinearLayout.GONE);
break;
default:
break;
}
builder = new AlertDialog.Builder(parent);
builder.setView(layout);
AlertDialog alertDialog;
alertDialog = builder.create();
alertDialog.setCancelable(false);
alertDialog.show();
mDialogResult = null; // causes each messageBox instance has its own
// DialogResult because it removes previous
// DialogResults
arrAlertDialog.add(alertDialog);
return;
}
public static void showException(Activity act,
Exception e) {
MessageBox.show(act, "خطا", e.toString(), MessageBoxState.OK);
}
public static void showException(Activity act, String additionalDetails,
Exception e) {
MessageBox.show(act, "خطا", additionalDetails + ": " + e.toString(),
MessageBoxState.OK);
}
private static AlertDialog getLastDialog() {
AlertDialog dialog = arrAlertDialog.get(arrAlertDialog.size() - 1);
arrAlertDialog.remove(dialog);
return dialog;
}
private final static void btnOK_onClick() {
AlertDialog currentdialog = getLastDialog();
if (mDialogResult != null) {
mDialogResult.finish(MessageBoxResult.OK);
currentdialog.dismiss();
mDialogResult.dialogClosed();
} else {
currentdialog.dismiss();
}
}
private final static void btnYes_onClick() {
AlertDialog currentdialog = getLastDialog();
if (mDialogResult != null) {
mDialogResult.finish(MessageBoxResult.Yes);
currentdialog.dismiss();
mDialogResult.dialogClosed();
} else {
currentdialog.dismiss();
}
}
private final static void btnNo_onClick() {
AlertDialog currentdialog = getLastDialog();
if (mDialogResult != null) {
mDialogResult.finish(MessageBoxResult.No);
currentdialog.dismiss();
mDialogResult.dialogClosed();
} else {
currentdialog.dismiss();
}
}
private final static void btnCancel_onClick() {
AlertDialog currentdialog = getLastDialog();
if (mDialogResult != null) {
mDialogResult.finish(MessageBoxResult.Cancel);
currentdialog.dismiss();
mDialogResult.dialogClosed();
} else {
currentdialog.dismiss();
}
}
public final static void setDialogResult(OnMyDialogResult dialogResult) {
mDialogResult = dialogResult;
}
public interface OnMyDialogResult {
void finish(MessageBoxResult result);
void dialogClosed();
}
}
其布局：
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/layout_root"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="@color/white"
android:orientation="vertical"
android:padding="10dp" >
<TextView
android:id="@+id/tvTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="right"
android:layout_weight="1"
android:text="TextView"
android:textStyle="bold" >
</TextView>
<TextView
android:id="@+id/tvLine"
android:layout_width="fill_parent"
android:layout_height="2dip"
android:layout_weight="1"
android:background="@color/black"
android:text="" >
</TextView>
<TextView
android:id="@+id/tvMessage"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="right"
android:layout_weight="1"
android:text="TextView" >
</TextView>
<LinearLayout
android:id="@+id/layout_YesNo"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_gravity="center_horizontal"
android:gravity="center" >
<Button
android:id="@+id/btnCancel"
android:layout_width="70dip"
android:layout_height="40dip"
android:text="Button" >
</Button>
<Button
android:id="@+id/btnNo"
android:layout_width="70dip"
android:layout_height="40dip"
android:text="Button" />
<Button
android:id="@+id/btnYes"
android:layout_width="70dip"
android:layout_height="40dip"
android:text="Button" >
</Button>
</LinearLayout>
<LinearLayout
android:id="@+id/layout_OK"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:baselineAligned="true"
android:orientation="vertical" >
<Button
android:id="@+id/btnOK"
android:layout_width="80dip"
android:layout_height="40dip"
android:layout_gravity="center"
android:gravity="center"
android:text="Button" >
</Button>
</LinearLayout>
</LinearLayout>
并在活动中：
MessageBox.show(this, "warning", "Are you sure?", MessageBoxState.YesNo);
MessageBox.setDialogResult(new OnMyDialogResult() {
@Override
public void finish(MessageBoxResult result) {
if (result == MessageBoxResult.Yes)
//...
}
@Override
public void dialogClosed() {
}
});