ion-back-button

Contents

back buttonは、クリックするとアプリのひとつ前の履歴に戻ります。modeに基づいてどのようにレンダリングし、ナビゲーションスタックに基づいていつ表示するかを知っていれば十分です。

back buttonの表示内容を変更するには、texticon のプロパティを使用します。

利用方法

<!-- Default back button -->
<ion-header>
  <ion-toolbar>
    <ion-buttons slot="start">
      <ion-back-button></ion-back-button>
    </ion-buttons>
  </ion-toolbar>
</ion-header>

<!-- Back button with a default href -->
<ion-header>
  <ion-toolbar>
    <ion-buttons slot="start">
      <ion-back-button defaultHref="home"></ion-back-button>
    </ion-buttons>
  </ion-toolbar>
</ion-header>

<!-- Back button with custom text and icon -->
<ion-header>
  <ion-toolbar>
    <ion-buttons slot="start">
      <ion-back-button
          [text]="buttonText"
          [icon]="buttonIcon">
      </ion-back-button>
    </ion-buttons>
  </ion-toolbar>
</ion-header>

<!-- Back button with no text and custom icon -->
<ion-header>
  <ion-toolbar>
    <ion-buttons slot="start">
      <ion-back-button text="" icon="add"></ion-back-button>
    </ion-buttons>
  </ion-toolbar>
</ion-header>

<!-- Danger back button next to a menu button -->
<ion-header>
  <ion-toolbar>
    <ion-buttons slot="start">
      <ion-menu-button></ion-menu-button>
      <ion-back-button color="danger"></ion-back-button>
    </ion-buttons>
  </ion-toolbar>
</ion-header>
<!-- Default back button -->
<ion-header>
  <ion-toolbar>
    <ion-buttons slot="start">
      <ion-back-button></ion-back-button>
    </ion-buttons>
  </ion-toolbar>
</ion-header>

<!-- Back button with a default href -->
<ion-header>
  <ion-toolbar>
    <ion-buttons slot="start">
      <ion-back-button default-href="home"></ion-back-button>
    </ion-buttons>
  </ion-toolbar>
</ion-header>

<!-- Back button with custom text and icon -->
<ion-header>
  <ion-toolbar>
    <ion-buttons slot="start">
      <ion-back-button text="Volver" icon="close"></ion-back-button>
    </ion-buttons>
  </ion-toolbar>
</ion-header>

<!-- Back button with no text and custom icon -->
<ion-header>
  <ion-toolbar>
    <ion-buttons slot="start">
      <ion-back-button text="" icon="add"></ion-back-button>
    </ion-buttons>
  </ion-toolbar>
</ion-header>

<!-- Danger back button next to a menu button -->
<ion-header>
  <ion-toolbar>
    <ion-buttons slot="start">
      <ion-menu-button></ion-menu-button>
      <ion-back-button color="danger"></ion-back-button>
    </ion-buttons>
  </ion-toolbar>
</ion-header>
import React from 'react';
import { IonBackButton, IonHeader, IonToolbar, IonButtons, IonMenuButton, IonContent } from '@ionic/react';

export const BackButtonExample: React.FunctionComponent = () => (
  <IonContent>
    {/*-- Default back button --*/}
    <IonHeader>
      <IonToolbar>
        <IonButtons slot="start">
          <IonBackButton />
        </IonButtons>
      </IonToolbar>
    </IonHeader>

    {/*-- Back button with a default href --*/}
    <IonHeader>
      <IonToolbar>
        <IonButtons slot="start">
          <IonBackButton defaultHref="home" />
        </IonButtons>
      </IonToolbar>
    </IonHeader>

    {/*-- Back button with custom text and icon --*/}
    <IonHeader>
      <IonToolbar>
        <IonButtons slot="start">
          <IonBackButton text="buttonText" icon="buttonIcon" />
        </IonButtons>
      </IonToolbar>
    </IonHeader>

    {/*-- Back button with no text and custom icon --*/}
    <IonHeader>
      <IonToolbar>
        <IonButtons slot="start">
          <IonBackButton text="" icon="add" />
        </IonButtons>
      </IonToolbar>
    </IonHeader>

    {/*-- Danger back button next to a menu button --*/}
    <IonHeader>
      <IonToolbar>
        <IonButtons slot="start">
          <IonMenuButton />
          <IonBackButton color="danger" />
        </IonButtons>
      </IonToolbar>
    </IonHeader>
  </IonContent>
);
<template>
  <!-- Default back button -->
  <ion-header>
    <ion-toolbar>
      <ion-buttons slot="start">
        <ion-back-button></ion-back-button>
      </ion-buttons>
    </ion-toolbar>
  </ion-header>

  <!-- Back button with a default href -->
  <ion-header>
    <ion-toolbar>
      <ion-buttons slot="start">
        <ion-back-button defaultHref="home"></ion-back-button>
      </ion-buttons>
    </ion-toolbar>
  </ion-header>

  <!-- Back button with custom text and icon -->
  <ion-header>
    <ion-toolbar>
      <ion-buttons slot="start">
        <ion-back-button
            :text="buttonText"
            :icon="buttonIcon">
        </ion-back-button>
      </ion-buttons>
    </ion-toolbar>
  </ion-header>

  <!-- Back button with no text and custom icon -->
  <ion-header>
    <ion-toolbar>
      <ion-buttons slot="start">
        <ion-back-button text="" icon="add"></ion-back-button>
      </ion-buttons>
    </ion-toolbar>
  </ion-header>

  <!-- Danger back button next to a menu button -->
  <ion-header>
    <ion-toolbar>
      <ion-buttons slot="start">
        <ion-menu-button></ion-menu-button>
        <ion-back-button color="danger"></ion-back-button>
      </ion-buttons>
    </ion-toolbar>
  </ion-header>
</template>

プロパティ

color

Description

The color to use from your application's color palette. Default options are: "primary", "secondary", "tertiary", "success", "warning", "danger", "light", "medium", and "dark". For more information on colors, see theming.

Attributecolor
Typestring | undefined

defaultHref

Description

The url to navigate back to by default when there is no history.

Attributedefault-href
Typestring | undefined

disabled

Description

If true, the user cannot interact with the button.

Attributedisabled
Typeboolean
Defaultfalse

icon

Description

The icon name to use for the back button.

Attributeicon
Typenull | string | undefined

mode

Description

The mode determines which platform styles to use.

Attributemode
Type"ios" | "md"

text

Description

The text to display in the back button.

Attributetext
Typenull | string | undefined

type

Description

The type of the button.

Attributetype
Type"button" | "reset" | "submit"
Default'button'

CSSカスタムプロパティ

NameDescription
--backgroundBackground of the button
--background-focusedBackground of the button when focused with the tab key
--background-hoverBackground of the button when hover
--border-radiusBorder radius of the button
--colorText color of the button
--color-focusedText color of the button when focused with the tab key
--color-hoverText color of the button when hover
--icon-font-sizeFont size of the button icon
--icon-font-weightFont weight of the button icon
--icon-margin-bottomBottom margin of the button icon
--icon-margin-endRight margin if direction is left-to-right, and left margin if direction is right-to-left of the button icon
--icon-margin-startLeft margin if direction is left-to-right, and right margin if direction is right-to-left of the button icon
--icon-margin-topTop margin of the button icon
--icon-padding-bottomBottom padding of the button icon
--icon-padding-endRight padding if direction is left-to-right, and left padding if direction is right-to-left of the button icon
--icon-padding-startLeft padding if direction is left-to-right, and right padding if direction is right-to-left of the button icon
--icon-padding-topTop padding of the button icon
--margin-bottomBottom margin of the button
--margin-endRight margin if direction is left-to-right, and left margin if direction is right-to-left of the button
--margin-startLeft margin if direction is left-to-right, and right margin if direction is right-to-left of the button
--margin-topTop margin of the button
--min-heightMinimum height of the button
--min-widthMinimum width of the button
--opacityOpacity of the button
--padding-bottomBottom padding of the button
--padding-endRight padding if direction is left-to-right, and left padding if direction is right-to-left of the button
--padding-startLeft padding if direction is left-to-right, and right padding if direction is right-to-left of the button
--padding-topTop padding of the button
--ripple-colorColor of the button ripple effect
--transitionTransition of the button
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