13.鸿蒙HarmonyOS App(JAVA)文本框按钮点击提示

点击按钮触发组件状态，点击改变颜色

文本框组件，文本居中，斜体，左右对齐，点击显示提示信息

Button button=(Button) findComponentById(ResourceTable.Id_btn_1);
button.setClickedListener(new Component.ClickedListener() {@Overridepublic void onClick(Component component) {new ToastDialog(getContext()).setText("登录信息提示").setAlignment(LayoutAlignment.CENTER).show();}
});

字体设置

Text text_bold = (Text) findComponentById(ResourceTable.Id_text_bold);
text_bold.setFont(Font.DEFAULT_BOLD);
text_bold.setTextColor(Color.BLUE);

text,textfiled控件

编辑器动作：

 TextField textField = (TextField) findComponentById(ResourceTable.Id_text_filed_user_name);// textField.setInputMethodOption(InputAttribute.ENTER_KEY_TYPE_SEARCH);// textField.setInputMethodOption(InputAttribute.ENTER_KEY_TYPE_GO);
// textField.setInputMethodOption(InputAttribute.ENTER_KEY_TYPE_SEND);textField.setInputMethodOption(InputAttribute.ENTER_KEY_TYPE_UNSPECIFIED);

MainAbilitySlice

package com.example.myapplication.slice;import com.example.myapplication.ResourceTable;
import ohos.aafwk.ability.AbilitySlice;
import ohos.aafwk.content.Intent;
import ohos.agp.components.*;
import ohos.agp.text.Font;
import ohos.agp.utils.Color;
import ohos.agp.utils.LayoutAlignment;
import ohos.agp.window.dialog.ToastDialog;public class MainAbilitySlice extends AbilitySlice {@Overridepublic void onStart(Intent intent) {super.onStart(intent);super.setUIContent(ResourceTable.Layout_ability_main);Text text_bold = (Text) findComponentById(ResourceTable.Id_text_bold);text_bold.setFont(Font.DEFAULT_BOLD);text_bold.setTextColor(Color.BLUE);TextField textField = (TextField) findComponentById(ResourceTable.Id_text_filed_user_name);textField.setInputMethodOption(InputAttribute.ENTER_KEY_TYPE_SEARCH);// textField.setInputMethodOption(InputAttribute.ENTER_KEY_TYPE_GO);// textField.setInputMethodOption(InputAttribute.ENTER_KEY_TYPE_SEND);// textField.setInputMethodOption(InputAttribute.ENTER_KEY_TYPE_UNSPECIFIED);Button button=(Button) findComponentById(ResourceTable.Id_btn_1);button.setClickedListener(new Component.ClickedListener() {@Overridepublic void onClick(Component component) {new ToastDialog(getContext()).setText("登录信息提示").setAlignment(LayoutAlignment.CENTER).show();}});}@Overridepublic void onActive() {super.onActive();}@Overridepublic void onForeground(Intent intent) {super.onForeground(intent);}
}

 layout 

ability_main.xml

<?xml version="1.0" encoding="utf-8"?>
<DirectionalLayoutxmlns:ohos="http://schemas.huawei.com/res/ohos"ohos:height="match_parent"ohos:width="match_parent"ohos:alignment="center"ohos:orientation="vertical"><Textohos:id="$+id:text_user_name"ohos:height="match_content"ohos:width="350vp"ohos:background_element="$graphic:background_ability_main"ohos:text="用户名："ohos:text_size="40vp"/><TextFieldohos:id="$+id:text_filed_user_name"ohos:height="match_content"ohos:background_element="#FC0A84EF"ohos:width="350vp"ohos:hint="请输入用户名"ohos:margin="2vp"ohos:text_size="40vp"/><Textohos:id="$+id:text_pass"ohos:height="match_content"ohos:width="350vp"ohos:background_element="$graphic:background_ability_main"ohos:text="密码："ohos:text_size="40vp"/><TextFieldohos:id="$+id:text_filed_ps"ohos:height="match_content"ohos:background_element="#FC0A84EF"ohos:width="350vp"ohos:hint="请输入密码"ohos:text_input_type="pattern_password"ohos:margin="2vp"ohos:text_size="40vp"/><Textohos:id="$+id:text_1"ohos:height="match_content"ohos:width="match_content"ohos:background_element="$graphic:btn_state_container"ohos:layout_alignment="horizontal_center"ohos:text="测试文本"ohos:text_size="40vp"/><Textohos:id="$+id:text_bold"ohos:height="match_content"ohos:width="match_content"ohos:background_element="$graphic:background_ability_main"ohos:layout_alignment="horizontal_center"ohos:text="加粗文本"ohos:text_size="40vp"/><Textohos:id="$+id:text_xieti"ohos:height="match_content"ohos:width="390vp"ohos:background_element="#FF84F136"ohos:layout_alignment="horizontal_center"ohos:text="斜体文本"ohos:italic="true"ohos:text_size="40vp"/><Textohos:id="$+id:text_2"ohos:height="match_content"ohos:width="390vp"ohos:background_element="$graphic:background_ability_main"ohos:layout_alignment="horizontal_center"ohos:text="左对齐"ohos:text_alignment="left"ohos:text_size="40vp"/><Textohos:id="$+id:text_3"ohos:height="match_content"ohos:width="match_content"ohos:background_element="$graphic:background_ability_main"ohos:layout_alignment="horizontal_center"ohos:text="居中文本"ohos:text_alignment="center"ohos:text_size="40vp"/><Textohos:id="$+id:text_3a"ohos:height="match_content"ohos:background_element="#FC0A84EF"ohos:width="390vp"ohos:text_alignment="right"ohos:text="右对齐文本"ohos:margin="2vp"ohos:text_size="40vp"/><Textohos:id="$+id:text_3b"ohos:height="match_content"ohos:width="match_content"ohos:background_element="$graphic:background_ability_main"ohos:layout_alignment="horizontal_center"ohos:text="多行文本1234567890多行文本多行文本多行文本多行文本多行文"ohos:multiple_lines="true"ohos:text_size="40vp"/><Buttonohos:id="$+id:btn_1"ohos:height="match_content"ohos:width="match_content"ohos:background_element="$graphic:btn_state_container"ohos:layout_alignment="horizontal_center"ohos:text="登录按钮"ohos:text_size="40vp"/></DirectionalLayout>

graphic

btn_state_container.xml

<?xml version="1.0" encoding="utf-8"?>
<state-containerxmlns:ohos="http://schemas.huawei.com/res/ohos"><item ohos:state ="component_state_pressed" ohos:element ="#FF4286EE"/><!--按下切换到该状态 --><item ohos:state ="component_state_hovered" ohos:element ="#FF76EE42"/><!--触摸设备不会切换到该状态 --><item ohos:state ="component_state_empty" ohos:element ="#FF65D9EE"/><!--默认状态 --><item ohos:state ="component_state_selected" ohos:element ="#FFE7F14A"/><!--默认状态 -->
</state-container>