我正在使用 Image Picker 来获取用户照片,然后我需要在下一个屏幕中显示它。我怎样才能做到这一点?
图像选择器功能:
const options={
title: 'Profile picture',
takePhotoButtonTitle: 'Take picture',
chooseFromLibraryButtonTitle: 'Choose from gallery'
}
myFun=()=>{
ImagePicker.showImagePicker(options, (response) => {
console.log('Response = ', response);
if (response.didCancel) {
console.log('User cancelled image picker');
} else if (response.error) {
console.log('ImagePicker Error: ', response.error);
}
else {
const source = { uri: response.uri };
// You can also display the image using data:
// const source = { uri: 'data:image/jpeg;base64,' + response.data };
this.setState({
avatarSource: source,
});
}
});
}
我需要使用此按钮将图像传递到下一个屏幕:
<GradientButton text='Next' onPress={() => {this.props.navigation.navigate('NextScreen', {photo: this.state.avatarSource} )}}/>
这就是我尝试的方式,但我无法让它工作,我只设法通过导航参数传递正常值,如字符串。