android Dialog

 Dialog

  

package com.example.dialogdemol;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends Activity {

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

    }

    /**
     * 显示标准的对话框    
     * @param view
     */
    public void btnDialog(View view) {
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setPositiveButton("確定", listener);
        builder.setNegativeButton("取消", listener);
        // 设置 点击返回键或者对话框之外的区域能否让对话框消失
        // 即是否能够中断对话框
        builder.setCancelable(false);
        builder.show();
    }

    private DialogInterface.OnClickListener listener = new OnClickListener() {

        @Override
        public void onClick(DialogInterface dialog, int which) {
            switch (which) {
            case DialogInterface.BUTTON_POSITIVE:
                Toast.makeText(getApplicationContext(), "确定点击", Toast.LENGTH_SHORT).show();
                break;
            case DialogInterface.BUTTON_NEGATIVE:
                Toast.makeText(getApplicationContext(), "取消点击", Toast.LENGTH_SHORT).show();
                break;

            default:
                break;
            }
        }
    };

    /**
     * 自定义Dialog
     * 
     * @param view
     */
    @SuppressLint("InflateParams")
    public void btnMyDialog(View view) {

        final AlertDialog dialog = new AlertDialog.Builder(this).create();
        LayoutInflater inflater = LayoutInflater.from(this);
        View dialogView = inflater.inflate(R.layout.dialog_layout, null);
        final EditText editText = (EditText) dialogView.findViewById(R.id.editText);
        Button btnOk = (Button) dialogView.findViewById(R.id.btnOK);
        btnOk.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                Toast.makeText(getApplicationContext(), editText.getText().toString().trim(), Toast.LENGTH_SHORT)
                        .show();
                ;
                dialog.dismiss();
            }
        });
        dialog.setView(dialogView);
        dialog.show();
    }

}