Android 对话框(Dialog)大全示例（建立你自己的对话框）

protected void dialog() {
 AlertDialog.Builder builder = new Builder(Main.this);
 builder.setMessage("确认退出吗？");

 builder.setTitle("提示");

 builder.setPositiveButton("确认", new OnClickListener() {

  @Override
  public void onClick(DialogInterface dialog, int which) {
  dialog.dismiss();

  Main.this.finish();
  }
 });

 builder.setNegativeButton("取消", new OnClickListener() {

  @Override
  public void onClick(DialogInterface dialog, int which) {
  dialog.dismiss();
  }
 });

 builder.create().show();
 }

public boolean onKeyDown(int keyCode, KeyEvent event) {
 if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0) {
  dialog();
 }
 return false;
 }

Dialog dialog = new AlertDialog.Builder(this).setIcon(
   android.R.drawable.btn_star).setTitle("喜好调查").setMessage(
   "你喜欢李连杰的电影吗？").setPositiveButton("很喜欢",
   new OnClickListener() {

   @Override
   public void onClick(DialogInterface dialog, int which) {
    // TODO Auto-generated method stub
    Toast.makeText(Main.this, "我很喜欢他的电影。",
     Toast.LENGTH_LONG).show();
   }
   }).setNegativeButton("不喜欢", new OnClickListener() {

  @Override
  public void onClick(DialogInterface dialog, int which) {
   // TODO Auto-generated method stub
   Toast.makeText(Main.this, "我不喜欢他的电影。", Toast.LENGTH_LONG)
    .show();
  }
  }).setNeutralButton("一般", new OnClickListener() {

  @Override
  public void onClick(DialogInterface dialog, int which) {
   // TODO Auto-generated method stub
   Toast.makeText(Main.this, "谈不上喜欢不喜欢。", Toast.LENGTH_LONG)
    .show();
  }
  }).create();

  dialog.show();

new AlertDialog.Builder(this).setTitle("请输入").setIcon(
   android.R.drawable.ic_dialog_info).setView(
   new EditText(this)).setPositiveButton("确定", null)
   .setNegativeButton("取消", null).show();

new AlertDialog.Builder(this).setTitle("复选框").setMultiChoiceItems(
   new String[] { "Item1", "Item2" }, null, null)
   .setPositiveButton("确定", null)
   .setNegativeButton("取消", null).show();

new AlertDialog.Builder(this).setTitle("单选框").setIcon(
   android.R.drawable.ic_dialog_info).setSingleChoiceItems(
   new String[] { "Item1", "Item2" }, 0,
   new DialogInterface.OnClickListener() {
   public void onClick(DialogInterface dialog, int which) {
    dialog.dismiss();
   }
   }).setNegativeButton("取消", null).show();

new AlertDialog.Builder(this).setTitle("列表框").setItems(
   new String[] { "Item1", "Item2" }, null).setNegativeButton(
   "确定", null).show();

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 android:layout_height="wrap_content" android:layout_width="wrap_content"
 android:background="#ffffffff" android:orientation="horizontal"
 android:id="@+id/dialog">
 <TextView android:layout_height="wrap_content"
  android:layout_width="wrap_content"
 android:id="@+id/tvname" android:text="姓名：" />
 <EditText android:layout_height="wrap_content"
 android:layout_width="wrap_content" android:id="@+id/etname" android:minWidth="100dip"/>

</LinearLayout>

LayoutInflater inflater = getLayoutInflater();
  View layout = inflater.inflate(R.layout.dialog,
   (ViewGroup) findViewById(R.id.dialog));

  new AlertDialog.Builder(this).setTitle("自定义布局").setView(layout)
   .setPositiveButton("确定", null)
   .setNegativeButton("取消", null).show();