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扫描动画停止 #29

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扫描动画停止 #29

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bc2810e
扫描动画停止
May 14, 2019
b1b5131
不需要麦克风权限
May 14, 2019
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1 change: 1 addition & 0 deletions src/QRScanner.js
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Expand Up @@ -53,6 +53,7 @@ export default class QRScanner extends PureComponent {
style={{
flex: 1
}}
captureAudio = {false}
onBarCodeRead={this._handleBarCodeRead}
barCodeTypes={[RNCamera.Constants.BarCodeType.qr]}
flashMode={!this.props.flashMode ? RNCamera.Constants.FlashMode.off : RNCamera.Constants.FlashMode.torch}
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9 changes: 9 additions & 0 deletions src/QRScannerView.js
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Expand Up @@ -52,6 +52,7 @@ export default class QRScannerView extends Component {
leftWidth: 0,
animatedValue: new Animated.Value(0)
}
this.isClosed = false;
}

//获取背景颜色
Expand Down Expand Up @@ -306,7 +307,15 @@ export default class QRScannerView extends Component {
this.scannerLineMove();
}

componentWillUnmount() {
this.isClosed = true;
}

scannerLineMove() {
if (this.isClosed) {
return;
}

this.state.animatedValue.setValue(0); //重置Rotate动画值为0
Animated.timing(
this.state.animatedValue,
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