百度智能小程序 獲取屏幕亮度

swan.getScreenBrightness

解釋：獲取屏幕亮度。

Web 態(tài)說明：Web 態(tài)暫不支持獲取屏幕亮度功能，調(diào)用該 API 會觸發(fā) fail 回調(diào)。

方法參數(shù)

Object object

object 參數(shù)說明

success 返回參數(shù)說明

示例 

在開發(fā)者工具中打開

圖片示例

代碼示例

<view class="wrap">
    <view class="card-area">
        <view class="display-area">
            <view class="brightness-title">當(dāng)前屏幕亮度</view>
            <view class="value">{{value/100}}</view>
        </view>
    </view>
    <view class="card-area">
        <view class="top-description border-bottom">設(shè)置屏幕亮度</view>
        <slider min="0" max="100" value="{{value}}" step="1" class="slider" bindchanging="brightnessChange"></slider>
    </view>
    <view class="card-area">
        <view class="item-scroll block">
            <text class="switch-text">設(shè)置保持屏幕常亮</text>
            <switch bindchange="keepScreenOn"></switch>
        </view>
     </view>
    <view class="tip-week">注：屏幕亮度及屏幕常亮設(shè)置僅在當(dāng)前小程序生效，離開小程序后失效。</view>
</view>

Page({
    data: {
        value: 10
    },
    onLoad(e) {
        swan.getScreenBrightness({
            success: res => {
                let value = res.value || 0.1;
                value = (value * 100).toFixed(0);
                this.setData('value', value);
            },
            fail: err => {
                console.log('getScreenBrightness fail', err);
            }
        });
    },
    brightnessChange(e) {
        const value = e.detail.value;
        this.setData('value', value);

        swan.setScreenBrightness({
            value: parseFloat(value / 100),
            success: () => {
                console.log('setScreenBrightness success');
            },
            fail: err => {
                console.log('setScreenBrightness fail', err);
            }
        });
    },
    keepScreenOn(e) {
        swan.setKeepScreenOn({
            keepScreenOn: e.detail.checked,
            success: () => {
                console.log('keepScreenOn success');
            },
            fail: err => {
                console.log('keepScreenOn fail', err);
            }
        });
    }
});

錯誤碼

Android