android使用xml布局文件设计提示对话框

1.prompt_layout.xml文件

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
   android:layout_width="fill_parent"
   android:layout_height="wrap_content"
   android:orientation="vertical">

   <TextView
      android:id="@+id/promptmessage"
      android:layout_height="wrap_content"
      android:layout_width="wrap_content"
      android:layout_marginLeft="20dip"
      android:layout_marginRight="20dip"
      android:text="Your text goes here"
      android:gravity="left"
      android:textAppearance="?android:attr/textAppearanceMedium" />

   <EditText
      android:id="@+id/editText_prompt"
      android:layout_height="wrap_content"
      android:layout_width="fill_parent"
      android:layout_marginLeft="20dip"
      android:layout_marginRight="20dip"
      android:scrollHorizontally="true"
      android:autoText="false"
      android:capitalize="none"
      android:gravity="fill_horizontal"
      android:textAppearance="?android:attr/textAppearanceMedium" />
</LinearLayout>

2. java文件

LayoutInflater li = LayoutInflater.from(this);
		View view = li.inflate(R.layout.prompt_layout, null);

		//get a builder and set the view
		AlertDialog.Builder builder = new AlertDialog.Builder(this);
		builder.setTitle("Prompt");
		builder.setView(view);
		builder.setPositiveButton("确定",null);   
        builder.setNegativeButton("取消",null);  
        builder.create();
        builder.show();

3. 效果图