Android入门第十篇之PopupWindow
介绍过AlertDialog之后,接下来就介绍一下PopupWindow这种对话框。PopupWindow是阻塞对话框,只有在外部线程 或者 PopupWindow本身做退出操作才行。PopupWindow完全依赖Layout做外观,在常见的开发中,PopupWindow应该会与AlertDialog常混用。
贴出本例中运行的结果图:
main.xml的源码如下:
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<Button android:id="@+id/Button01" android:layout_height="wrap_content" android:layout_width="fill_parent" android:text="PopupWindow演示"></Button>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<Button android:id="@+id/Button01" android:layout_height="wrap_content" android:layout_width="fill_parent" android:text="PopupWindow演示"></Button>
</LinearLayout>
下图是PopupWindow弹出的截图,这里的PopupWindow是个登录框,点“确定”则自动填写,点“取消”则关闭PopupWindow。
popupwindow.xml的源码:
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent" android:layout_height="wrap_content"
android:orientation="vertical" android:background="#000000">
<TextView android:id="@+id/username_view"
android:layout_height="wrap_content"
android:layout_marginLeft="20dip"
android:layout_marginRight="20dip" android:text="用户名"
android:textAppearance="?android:attr/textAppearanceMedium" android:layout_width="fill_parent"/>
<EditText android:id="@+id/username_edit"
android:layout_height="wrap_content"
android:layout_width="fill_parent" android:layout_marginLeft="20dip"
android:layout_marginRight="20dip" android:capitalize="none"
android:textAppearance="?android:attr/textAppearanceMedium" />
<TextView android:id="@+id/password_view"
android:layout_height="wrap_content"
android:layout_marginLeft="20dip"
android:layout_marginRight="20dip" android:text="密码"
android:textAppearance="?android:attr/textAppearanceMedium" android:layout_width="fill_parent"/>
<EditText android:id="@+id/password_edit"
android:layout_height="wrap_content"
android:layout_width="fill_parent" android:layout_marginLeft="20dip"
android:layout_marginRight="20dip" android:capitalize="none"
android:password="true"
android:textAppearance="?android:attr/textAppearanceMedium" />
<LinearLayout android:id="@+id/LinearLayout01" android:layout_height="wrap_content" android:layout_width="fill_parent" android:gravity="center"><Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/BtnOK" android:layout_weight="100" android:text="确定"></Button><Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="100" android:text="取消" android:id="@+id/BtnCancel"></Button></LinearLayout>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent" android:layout_height="wrap_content"
android:orientation="vertical" android:background="#000000"><TextView android:id="@+id/username_view"
android:layout_height="wrap_content"
android:layout_marginLeft="20dip"
android:layout_marginRight="20dip" android:text="用户名"
android:textAppearance="?android:attr/textAppearanceMedium" android:layout_width="fill_parent"/><EditText android:id="@+id/username_edit"
android:layout_height="wrap_content"
android:layout_width="fill_parent" android:layout_marginLeft="20dip"
android:layout_marginRight="20dip" android:capitalize="none"
android:textAppearance="?android:attr/textAppearanceMedium" /><TextView android:id="@+id/password_view"
android:layout_height="wrap_content"
android:layout_marginLeft="20dip"
android:layout_marginRight="20dip" android:text="密码"
android:textAppearance="?android:attr/textAppearanceMedium" android:layout_width="fill_parent"/><EditText android:id="@+id/password_edit"
android:layout_height="wrap_content"
android:layout_width="fill_parent" android:layout_marginLeft="20dip"
android:layout_marginRight="20dip" android:capitalize="none"
android:password="true"
android:textAppearance="?android:attr/textAppearanceMedium" /><LinearLayout android:id="@+id/LinearLayout01" android:layout_height="wrap_content" android:layout_width="fill_parent" android:gravity="center"><Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/BtnOK" android:layout_weight="100" android:text="确定"></Button><Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="100" android:text="取消" android:id="@+id/BtnCancel"></Button></LinearLayo
补充:移动开发 , Android ,