我编写了一个简单的类（AlertDialogBuilder），您可以使用它在按下对话框按钮时禁用自动关闭功能。

它还与Android 1.6兼容，因此它不使用OnShowListener（仅API>=8可用）。

因此，您可以使用此CustomAlertDialogBuilder，而不是使用AlertDialogBuilder。最重要的部分是不应该调用create（），而应该只调用show（）方法。我添加了setCanceledOnTouchOutside（）和setOnDismissListener等方法，这样您仍然可以直接在生成器上设置它们。

我在Android 1.6、2.x、3.x和4.x上测试了它，所以它应该工作得很好。如果你发现一些问题，请在这里评论。

package com.droidahead.lib.utils;

import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.view.View;
import android.view.View.OnClickListener;

public class CustomAlertDialogBuilder extends AlertDialog.Builder {
    /**
     * Click listeners
     */
    private DialogInterface.OnClickListener mPositiveButtonListener = null;
    private DialogInterface.OnClickListener mNegativeButtonListener = null;
    private DialogInterface.OnClickListener mNeutralButtonListener = null;

    /**
     * Buttons text
     */
    private CharSequence mPositiveButtonText = null;
    private CharSequence mNegativeButtonText = null;
    private CharSequence mNeutralButtonText = null;

    private DialogInterface.OnDismissListener mOnDismissListener = null;

    private Boolean mCancelOnTouchOutside = null;

    public CustomAlertDialogBuilder(Context context) {
        super(context);
    }

    public CustomAlertDialogBuilder setOnDismissListener (DialogInterface.OnDismissListener listener) {
        mOnDismissListener = listener;
        return this;
    }

    @Override
    public CustomAlertDialogBuilder setNegativeButton(CharSequence text, DialogInterface.OnClickListener listener) {
        mNegativeButtonListener = listener;
        mNegativeButtonText = text;
        return this;
    }

    @Override
    public CustomAlertDialogBuilder setNeutralButton(CharSequence text, DialogInterface.OnClickListener listener) {
        mNeutralButtonListener = listener;
        mNeutralButtonText = text;
        return this;
    }

    @Override
    public CustomAlertDialogBuilder setPositiveButton(CharSequence text, DialogInterface.OnClickListener listener) {
        mPositiveButtonListener = listener;
        mPositiveButtonText = text;
        return this;
    }

    @Override
    public CustomAlertDialogBuilder setNegativeButton(int textId, DialogInterface.OnClickListener listener) {
        setNegativeButton(getContext().getString(textId), listener);
        return this;
    }

    @Override
    public CustomAlertDialogBuilder setNeutralButton(int textId, DialogInterface.OnClickListener listener) {
        setNeutralButton(getContext().getString(textId), listener);
        return this;
    }

    @Override
    public CustomAlertDialogBuilder setPositiveButton(int textId, DialogInterface.OnClickListener listener) {
        setPositiveButton(getContext().getString(textId), listener);
        return this;
    }

    public CustomAlertDialogBuilder setCanceledOnTouchOutside (boolean cancelOnTouchOutside) {
        mCancelOnTouchOutside = cancelOnTouchOutside;
        return this;
    }



    @Override
    public AlertDialog create() {
        throw new UnsupportedOperationException("CustomAlertDialogBuilder.create(): use show() instead..");
    }

    @Override
    public AlertDialog show() {
        final AlertDialog alertDialog = super.create();

        DialogInterface.OnClickListener emptyOnClickListener = new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) { }
        };


        // Enable buttons (needed for Android 1.6) - otherwise later getButton() returns null
        if (mPositiveButtonText != null) {
            alertDialog.setButton(AlertDialog.BUTTON_POSITIVE, mPositiveButtonText, emptyOnClickListener);
        }

        if (mNegativeButtonText != null) {
            alertDialog.setButton(AlertDialog.BUTTON_NEGATIVE, mNegativeButtonText, emptyOnClickListener);
        }

        if (mNeutralButtonText != null) {
            alertDialog.setButton(AlertDialog.BUTTON_NEUTRAL, mNeutralButtonText, emptyOnClickListener);
        }

        // Set OnDismissListener if available
        if (mOnDismissListener != null) {
            alertDialog.setOnDismissListener(mOnDismissListener);
        }

        if (mCancelOnTouchOutside != null) {
            alertDialog.setCanceledOnTouchOutside(mCancelOnTouchOutside);
        }

        alertDialog.show();

        // Set the OnClickListener directly on the Button object, avoiding the auto-dismiss feature
        // IMPORTANT: this must be after alert.show(), otherwise the button doesn't exist..
        // If the listeners are null don't do anything so that they will still dismiss the dialog when clicked
        if (mPositiveButtonListener != null) {
            alertDialog.getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener(new OnClickListener() {

                @Override
                public void onClick(View v) {
                    mPositiveButtonListener.onClick(alertDialog, AlertDialog.BUTTON_POSITIVE);
                }
            });
        }

        if (mNegativeButtonListener != null) {
            alertDialog.getButton(AlertDialog.BUTTON_NEGATIVE).setOnClickListener(new OnClickListener() {

                @Override
                public void onClick(View v) {
                    mNegativeButtonListener.onClick(alertDialog, AlertDialog.BUTTON_NEGATIVE);
                }
            });
        }

        if (mNeutralButtonListener != null) {
            alertDialog.getButton(AlertDialog.BUTTON_NEUTRAL).setOnClickListener(new OnClickListener() {

                @Override
                public void onClick(View v) {
                    mNeutralButtonListener.onClick(alertDialog, AlertDialog.BUTTON_NEUTRAL);
                }
            });
        }

        return alertDialog;
    }   
}

EDIT下面是一个关于如何使用CustomAlertDialogBuilder的小示例：

// Create the CustomAlertDialogBuilder
CustomAlertDialogBuilder dialogBuilder = new CustomAlertDialogBuilder(context);

// Set the usual data, as you would do with AlertDialog.Builder
dialogBuilder.setIcon(R.drawable.icon);
dialogBuilder.setTitle("Dialog title");
dialogBuilder.setMessage("Some text..");

// Set your buttons OnClickListeners
dialogBuilder.setPositiveButton ("Button 1", new DialogInterface.OnClickListener() {
    public void onClick (DialogInterface dialog, int which) {
        // Do something...

        // Dialog will not dismiss when the button is clicked
        // call dialog.dismiss() to actually dismiss it.
    }
});

// By passing null as the OnClickListener the dialog will dismiss when the button is clicked.               
dialogBuilder.setNegativeButton ("Close", null);

// Set the OnDismissListener (if you need it)       
dialogBuilder.setOnDismissListener(new DialogInterface.OnDismissListener() {
    public void onDismiss(DialogInterface dialog) {
        // dialog was just dismissed..
    }
});

// (optional) set whether to dismiss dialog when touching outside
dialogBuilder.setCanceledOnTouchOutside(false);

// Show the dialog
dialogBuilder.show();

干杯

Yuvi

科特林

val dialogView = LayoutInflater.from(requireContext()).inflate(R.layout.dialog_userinput, null)
        val dialogBuilder = MaterialAlertDialogBuilder(requireContext(), R.style.AlertDialogTheme)
   
        dialogBuilder.setView(dialogView)
        dialogBuilder.setCancelable(false)
        dialogBuilder.setPositiveButton("send",null)
        dialogBuilder.setNegativeButton("cancel") { dialog,_ ->
        dialog.dismiss()
        }


        val alertDialog = dialogBuilder.create()
        alertDialog.show()

        val positiveButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE)
        positiveButton.setOnClickListener {
            val myInputText = dialogView.etxt_userinput.text.toString().trim()
            if(myInputText.isNotEmpty()){
             //Do something
            }else{
                //Prompt error
                dialogView.etxt_userinput.error = "Please fill this"
            }
        }

我们只需使用dialogBuilder创建一个AlertDialog，然后根据需要设置肯定按钮

防止对话框在单击时关闭，并且仅在internet可用时关闭

我也在尝试做同样的事情，因为我不希望对话框在互联网连接之前关闭。

这是我的代码：

AlertDialog.Builder builder=new AlertDialog.Builder(MainActivity.this); builder.setTitle("Internet Not Connected");
    if(ifConnected()){

        Toast.makeText(this, "Connected or not", Toast.LENGTH_LONG).show();
    }
    else{
        builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialogInterface, int i) {
               if(!ifConnected())
               {
                   builder.show();
               }
            }
        }).setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialogInterface, int i) {
                finish();
            }
        });
        builder.show();

    }

这是我的连接管理器代码：

 private boolean ifConnected()
{
    ConnectivityManager connectivityManager= (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo networkInfo=connectivityManager.getActiveNetworkInfo();
   return networkInfo!=null && networkInfo.isConnected();
}

超简单的Kotlin方法

 with(AlertDialog.Builder(this)) {
        setTitle("Title")
        setView(R.layout.dialog_name)
        setPositiveButton("Ok", null)
        setNegativeButton("Cancel") { _, _ -> }
        create().apply {
            setOnShowListener {
                getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener {
                    //Validate and dismiss
                    dismiss()
                }
            }
        }
    }.show()

使用此代码，您可以防止单击肯定按钮时对话框关闭。此外，您还可以使用否定按钮实现相同的功能。

    final AlertDialog alertDialog = alertDialogBuilder
            .setCancelable(false)
            .setTitle("TITLE");
            .setPositiveButton("OK", null)
            .setNegativeButton("CANCEL",
                    (dialog, id) -> {
                        dialog.cancel();
                    })
            .show();
    Button positiveButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
    positiveButton.setOnClickListener(v -> {
         // check whatever you want
         if(checkMyCondition())
             dialog.cancel();
    })

编辑：这只适用于一些评论中提到的API 8+。

这是一个迟到的回答，但您可以在AlertDialog中添加一个onShowListener，然后可以覆盖按钮的onClickListener。

final AlertDialog dialog = new AlertDialog.Builder(context)
        .setView(v)
        .setTitle(R.string.my_title)
        .setPositiveButton(android.R.string.ok, null) //Set to null. We override the onclick
        .setNegativeButton(android.R.string.cancel, null)
        .create();

dialog.setOnShowListener(new DialogInterface.OnShowListener() {

    @Override
    public void onShow(DialogInterface dialogInterface) {

        Button button = ((AlertDialog) dialog).getButton(AlertDialog.BUTTON_POSITIVE);
        button.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View view) {
                // TODO Do something

                //Dismiss once everything is OK.
                dialog.dismiss();
            }
        });
    }
});
dialog.show();