InnerAudioContext.destroy

解釋?zhuān)轰N(xiāo)毀當(dāng)前實(shí)例

方法參數(shù)

無(wú)

示例 

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圖片示例

代碼示例

<view class="wrap">
    <view class="card-area">
        <button type="primary" bindtap="destroy">創(chuàng)建并銷(xiāo)毀一個(gè)新實(shí)例</button>
    </view>
</view>

Page({
    onLoad() {
        const innerAudioContext = swan.createInnerAudioContext();
        innerAudioContext.src = 'https://b.bdstatic.com/miniapp/images/yanyuan.mp3';
        innerAudioContext.autoplay = true;
    },
    destroy() {
        // 在實(shí)際項(xiàng)目中，若一個(gè)頁(yè)面有兩種形式的語(yǔ)音播放，如：一個(gè)是播放語(yǔ)音列表里的語(yǔ)音，一個(gè)是預(yù)聽(tīng)待提交的語(yǔ)音。這兩種的onPlay和onEnd回調(diào)內(nèi)部執(zhí)行的不一樣，不可能在onLoad里面用同一個(gè)回調(diào),所以需要?jiǎng)?chuàng)建兩個(gè)innerAudioContext實(shí)例對(duì)象時(shí)，可在當(dāng)前音頻播放結(jié)束的onEnd的回調(diào)事件里面和音頻播放錯(cuò)誤onError回調(diào)事件里，調(diào)用destory方法銷(xiāo)毀該實(shí)例。
        const createInnerAudioContextTask = new Promise((resolve, reject) => {
            const innerAudioContext = swan.createInnerAudioContext();
            innerAudioContext.src = 'https://b.bdstatic.com/miniapp/images/yanyuan.mp3';
            innerAudioContext.autoplay = false;
            innerAudioContext.onEnded(() => {
                innerAudioContext.destroy();
            });
            innerAudioContext.play();
            innerAudioContext.onPlay(res => {
                resolve();
                console.log('onPlay', res);
            });
            this.innerAudioContext = innerAudioContext;
        })
        .then(destroyTask => {
            swan.showModal({
                title: 'destroy',
                content: '銷(xiāo)毀實(shí)例成功'
            });
            this.innerAudioContext.destroy();
        });
    }
});