When working with react-native, I aim to utilize the 'contain' feature for vertical images and the 'stretch' feature for horizontal images. What would be the best way to determine the orientation of an image as either horizontal or vertical?
<Image resizeMode={orientation === 'horizontal' ? 'contain' : 'stretch'} />
To handle this scenario, I recommend implementing a conditional rendering function that determines the size using the static getSize method from the Image class as shown below:
handleImage = (imageUri) => {
Image.getSize(imageUri, (width, height) => {
if (width > height) {
//image is horizontal
return [<Image resizeMode={'contain'}/>];
} else {
//image is vertical
return [<Image resizeMode={'stretch'}/>];
}
});
return [];
}
render() {
return(
{this.handleImage(this.state.image)}
)
}
Check out the getSize Docs for more information.
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