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63 lines
1.4 KiB
JavaScript

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let main;
let filter;
let receiver;
let tag = false;
/**
* 开始广播监听扫码
*/
const start = () => {
/* #ifdef APP-PLUS */
main.registerReceiver(receiver, filter);
/* #endif */
}
/**
* 停止广播监听扫码
* that传this
*/
const stop = () => {
/* #ifdef APP-PLUS */
main.unregisterReceiver(receiver);
/* #endif */
}
/** 剩余下个变量已经做了全局变量
*
* 定义广播
* that传this
*/
const init = (onReceive) => {
/* #ifdef APP-PLUS */
//获取activity
main = plus.android.runtimeMainActivity();
const IntentFilter = plus.android.importClass('android.content.IntentFilter');
filter = new IntentFilter();
// 扫描设置的广播名称A(上面指代了)
filter.addAction("android.intent.ACTION_DECODE_DATA");
receiver = plus.android.implements('io.dcloud.feature.internal.reflect.BroadcastReceiver', {
onReceive: function(context, intent) {
plus.android.importClass(intent);
// 扫描设置的标签名称B(上面指代了)
const code = intent.getStringExtra("barcode_string");
if (tag) return;
tag = true;
setTimeout(function() {
tag = false;
}, 150);
//到这里扫描成功了可以调用自己的业务逻辑code就是扫描的结果 return出code进行业务处理
onReceive && onReceive(code);
}
});
/* #endif */
}
export const broadcastScan = {
init,
start,
stop,
};