<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:background="@drawable/background"

    android:orientation="vertical" >

    <LinearLayout

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:layout_marginLeft="10dp"

        android:layout_marginRight="10dp"

        android:orientation="horizontal" >

        <ImageView

            android:layout_width="0dp"

            android:layout_height="wrap_content"

            android:layout_weight="1"

            android:src="@drawable/airsign" />

        <TextView

            android:layout_width="0dp"

            android:layout_height="wrap_content"

            android:layout_gravity="center"

            android:layout_weight="3"

            android:gravity="center"

            android:text="请输入密码"

            android:textColor="#FFFFFFFF"

            android:textSize="32px"

            android:textStyle="bold" />

    </LinearLayout>

    <EditText

       android:id="@+id/et_pass"

        android:layout_width="match_parent"

        android:layout_height="40dp"

        android:layout_marginLeft="10dp"

        android:layout_marginRight="10dp"

        android:background="@drawable/tv_background"

        android:paddingLeft="10dp"/>

    <LinearLayout

         android:layout_marginTop="10dp"

         android:layout_marginBottom="10dp"

        android:layout_marginLeft="10dp"

        android:layout_marginRight="10dp"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:orientation="horizontal" >

        <Button

            android:id="@+id/btn_ok"

            android:layout_width="wrap_content"

            android:layout_height="40dp"

            style="?android:attr/buttonStyleSmall"

            android:layout_weight="1"

            android:background="@drawable/background"

            android:textColor="#FFFFFFFF"

            android:text="确定"/>

        <Button

            android:id="@+id/btn_delete"

            android:layout_marginLeft="20dp"

            android:layout_width="wrap_content"

            android:layout_height="40dp"

            style="?android:attr/buttonStyleSmall"

            android:layout_weight="1"

            android:textColor="#FFFFFFFF"

            android:background="@drawable/background"

            android:text="取消"/>

    </LinearLayout>

</LinearLayout>

public class MainActivity extends Activity {

    private Context context = MainActivity.this;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

    }

    public void clickView(View v) {

        AlertDialog.Builder builder = new AlertDialog.Builder(this);

        // 创建对话框

        AlertDialog dialog = builder.create();

        // 没有下面这句代码会导致自定义对话框还存在原有的背景

        builder.setView(View.inflate(this, R.layout.auto_dialog, null));

        // 弹出对话框

        dialog.show();

        // 以下两行代码是对话框的EditText点击后不能显示输入法的

        dialog.getWindow().clearFlags(

                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE

                        | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);

        dialog.getWindow().setSoftInputMode(

                WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);

        // *** 主要就是在这里实现这种效果的.

        // 设置窗口的内容页面,shrew_exit_dialog.xml文件中定义view内容

        Window window = dialog.getWindow();

        window.setContentView(R.layout.auto_dialog);

        EditText et_pass = (EditText) window.findViewById(R.id.et_pass);

        final Button btn_ok = (Button) window.findViewById(R.id.btn_ok);

        final Button btn_delete = (Button) window.findViewById(R.id.btn_delete);

        // 为两个button按钮添加点击的监听事件

        btn_ok.setOnClickListener(new OnClickListener() {

            @Override

            public void onClick(View arg0) {

                // TODO Auto-generated method stub

                Toast.makeText(context, btn_ok.getText(), 0).show();

            }

        });

        btn_delete.setOnClickListener(new OnClickListener() {

            @Override

            public void onClick(View arg0) {

                // TODO Auto-generated method stub

                Toast.makeText(context, btn_delete.getText(), 0).show();

            }

        });

    }

}