本文整理匯總了TypeScript中nativescript-barcodescanner.BarcodeScanner.hasCameraPermission方法的典型用法代碼示例。如果您正苦於以下問題:TypeScript BarcodeScanner.hasCameraPermission方法的具體用法?TypeScript BarcodeScanner.hasCameraPermission怎麽用?TypeScript BarcodeScanner.hasCameraPermission使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類nativescript-barcodescanner.BarcodeScanner
的用法示例。
在下文中一共展示了BarcodeScanner.hasCameraPermission方法的2個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
示例1: doCheckHasCameraPermission
public doCheckHasCameraPermission() {
this.barcodeScanner.hasCameraPermission().then(permitted => {
alert({
title: "Has Camera permission?",
message: permitted ? "YES" : "NO",
okButtonText: "OK"
});
}, (err) => {
alert(err);
});
}
示例2: scanTapped
public scanTapped(): void {
let scan = () => {
this.barcodeScanner.scan({
formats: "QR_CODE, EAN_13",
beepOnScan: true,
reportDuplicates: true,
preferFrontCamera: false
// continuousScanCallback: scanResult => {
// console.log("result: " + JSON.stringify(scanResult));
// this.barcodeScanner.stop();
// }
})
.then(result => console.log(JSON.stringify(result)))
.catch(error => console.log(error));
};
this.barcodeScanner.hasCameraPermission()
.then(granted => granted ? scan() : console.log("Permission denied"))
.catch(() => {
this.barcodeScanner.requestCameraPermission()
.then(() => scan());
});
}