什么是Toast
Toast是用来短时显示提示信息并自动消失的UI控件. 默认一般显示在屏幕的下方.
基础样例
- 显示默认toast
- 效果图:
- 代码:
new ToastDialog(getContext()).setText("花生皮编程，哈哈").show();- 在顶部显示toast
- 效果图:
- 代码:
ToastDialog dialog = new ToastDialog(getContext());
dialog.setText("花生皮编程，哈哈");
dialog.setAlignment(LayoutAlignment.TOP);
dialog.show();
- 居中显示toast
- 效果图:
- 代码:
ToastDialog dialog = new ToastDialog(getContext());
dialog.setText("花生皮编程，哈哈");
dialog.setAlignment(LayoutAlignment.CENTER);
dialog.show();
完整源代码
https://gitee.com/hspbc/harmonyos_demos/tree/master/toastDemo