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() {

@Override

public 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 {

@Override

public 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() {

@Override

public void onClick(Component component) {

new ToastDialog(getContext())

.setText("登录信息提示")

.setAlignment(LayoutAlignment.CENTER)

.show();

}

});

}

@Override

public void onActive() {

super.onActive();

}

@Override

public void onForeground(Intent intent) {

super.onForeground(intent);

}

}

 layout 

ability_main.xml

xmlns:ohos="http://schemas.huawei.com/res/ohos"

ohos:height="match_parent"

ohos:width="match_parent"

ohos:alignment="center"

ohos:orientation="vertical">

ohos: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"

/>

ohos: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"

/>

ohos: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"

/>

ohos: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"

/>

ohos: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"

/>

ohos: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"

/>

ohos: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"

/>

ohos: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"

/>

ohos: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"

/>

ohos: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"

/>

ohos: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"

/>

ohos: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"

/>

graphic

btn_state_container.xml

xmlns:ohos="http://schemas.huawei.com/res/ohos">

参考链接

评论可见，请评论后查看内容，谢谢！！！
 您阅读本篇文章共花了：