Kotlin在Android::

    override fun onBackPressed() {
        confirmToCancel()
    }

    private fun confirmToCancel() {
        AlertDialog.Builder(this)
            .setTitle("Title")
            .setMessage("Do you want to cancel?")
            .setCancelable(false)
            .setPositiveButton("Yes") {
                dialog: DialogInterface, _: Int ->
                dialog.dismiss()
                // for sending data to previous activity use
                // setResult(response code, data)
                finish()
            }
            .setNegativeButton("No") {
                dialog: DialogInterface, _: Int ->
                dialog.dismiss()
            }
            .show()
    } 

问一个人他是否想打电话对话。

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ImageView;
import android.widget.Toast;

public class Firstclass extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {    
        super.onCreate(savedInstanceState);    
        setContentView(R.layout.first);

        ImageView imageViewCall = (ImageView) findViewById(R.id.ring_mig);

        imageViewCall.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v){
                try{
                    showDialog("0728570527");
                } catch (Exception e){
                    e.printStackTrace();
                }                   
            }    
        });    
    }

    public void showDialog(final String phone) throws Exception {
        AlertDialog.Builder builder = new AlertDialog.Builder(Firstclass.this);

        builder.setMessage("Ring: " + phone);       

        builder.setPositiveButton("Ring", new DialogInterface.OnClickListener(){
            @Override
            public void onClick(DialogInterface dialog, int which){

                Intent callIntent = new Intent(Intent.ACTION_DIAL);// (Intent.ACTION_CALL);                 
                callIntent.setData(Uri.parse("tel:" + phone));
                startActivity(callIntent);

                dialog.dismiss();
            }
        });

        builder.setNegativeButton("Abort", new DialogInterface.OnClickListener(){   
            @Override
            public void onClick(DialogInterface dialog, int which){
                dialog.dismiss();
            }
        });         
        builder.show();
    }    
}

1.创建AlertDialog，设置消息、标题和正面、负面按钮:

final AlertDialog alertDialog = new AlertDialog.Builder(this)
                        .setCancelable(false)
                        .setTitle("Confirmation")
                        .setMessage("Do you want to remove this Picture?")
                        .setPositiveButton("Yes",null)
                        .setNegativeButton("No",null)
                        .create();

2.现在在DialogInterface上找到两个按钮，然后单击setOnClickListener():

alertDialog.setOnShowListener(new DialogInterface.OnShowListener() {
            @Override
            public void onShow(DialogInterface dialogInterface) {
                Button yesButton = (alertDialog).getButton(android.app.AlertDialog.BUTTON_POSITIVE);
                Button noButton = (alertDialog).getButton(android.app.AlertDialog.BUTTON_NEGATIVE);
                yesButton.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View view) {
                        //Now Background Class To Update Operator State
                        alertDialog.dismiss();
                        Toast.makeText(GroundEditActivity.this, "Click on Yes", Toast.LENGTH_SHORT).show();
                        //Do Something here 
                    }
                });

                noButton.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View view) {
                        alertDialog.dismiss();
                        Toast.makeText(GroundEditActivity.this, "Click on No", Toast.LENGTH_SHORT).show();
                        //Do Some Thing Here 
                    }
                });
            }
        });

3.To 显示警报对话框：

alertDialog.show();

注意:不要忘记AlertDialog的Final Keyword。

Kotlin在Android::

    override fun onBackPressed() {
        confirmToCancel()
    }

    private fun confirmToCancel() {
        AlertDialog.Builder(this)
            .setTitle("Title")
            .setMessage("Do you want to cancel?")
            .setCancelable(false)
            .setPositiveButton("Yes") {
                dialog: DialogInterface, _: Int ->
                dialog.dismiss()
                // for sending data to previous activity use
                // setResult(response code, data)
                finish()
            }
            .setNegativeButton("No") {
                dialog: DialogInterface, _: Int ->
                dialog.dismiss()
            }
            .show()
    } 

AlertDialog.Builder altBx = new AlertDialog.Builder(this);
    altBx.setTitle("My dialog box");
    altBx.setMessage("Welcome, Please Enter your name");
    altBx.setIcon(R.drawable.logo);

    altBx.setPositiveButton("Ok", new DialogInterface.OnClickListener()
    {
      public void onClick(DialogInterface dialog, int which)
      {
          if(edt.getText().toString().length()!=0)
          {
              // Show any message
          }
          else 
          {

          }
      }
    });
    altBx.setNeutralButton("Cancel", new DialogInterface.OnClickListener()
    {
      public void onClick(DialogInterface dialog, int which)
      {
          //show any message
      }

    });
  altBx.show();  

这里所有的答案都归结为冗长且不利于读者的代码:这正是提问者试图避免的。对我来说，最简单的方法是在这里使用lambdas:

new AlertDialog.Builder(this)
        .setTitle("Are you sure?")
        .setMessage("If you go back you will loose any changes.")
        .setPositiveButton("Yes", (dialog, which) -> {
            doSomething();
            dialog.dismiss();
        })
        .setNegativeButton("No", (dialog, which) -> dialog.dismiss())
        .show();

Android中的Lambdas需要retrolambda插件(https://github.com/evant/gradle-retrolambda)，但无论如何，它对编写更清晰的代码非常有帮助。