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mdev/rn_capscreen.native.js

@@ -0,0 +1,81 @@
+//@flow
+import React, { Fragment, useState, useCallback, useRef } from 'react';
+import { StyleSheet, View, SafeAreaView, Text, Image, Modal } from 'react-native';
+import { captureScreen, captureRef } from 'react-native-view-shot';
+import Btn from './Btn';
+import Desc from './Desc';
+
+const styles = StyleSheet.create({
+  root: {
+    padding: 50,
+  },
+  preview: {
+    marginTop: 20,
+    width: 200,
+    height: 200,
+    borderWidth: 1,
+    borderColor: '#aaa',
+  },
+  modal: {
+    alignSelf: 'flex-end',
+    padding: 20,
+    backgroundColor: '#eee',
+  },
+  buttons: {
+    flexDirection: 'row',
+  },
+});
+
+const ModalExample = () => {
+  const [opened, setOpened] = useState(false);
+  const [source, setSource] = useState(null);
+  const modalRef = useRef();
+
+  const onOpenModal = useCallback(() => setOpened(true), []);
+
+  const onCapture = useCallback(uri => {
+    setSource({ uri });
+    setOpened(false);
+  }, []);
+
+  const onPressCapture = useCallback(() => {
+    captureScreen().then(onCapture);
+  }, [onCapture]);
+
+  const onPressCaptureModalContent = useCallback(() => {
+    captureRef(modalRef).then(onCapture);
+  }, [onCapture]);
+
+  return (
+    <Fragment>
+      <SafeAreaView>
+        <View style={styles.root}>
+          <Desc
+            desc="We can notice that, in current implementation, react-native-view-shot does not
+            screenshot Modal as part of a captureScreen."
+          />
+          <Btn onPress={onOpenModal} label="Open Modal" />
+          <Image fadeDuration={0} source={source} style={styles.preview} resizeMode="contain" />
+        </View>
+      </SafeAreaView>
+
+      <Modal transparent animated animationType="slide" visible={opened}>
+        <SafeAreaView>
+          <View ref={modalRef} style={styles.modal}>
+            <Text>This is a modal</Text>
+            <View style={styles.buttons}>
+              <Btn onPress={onPressCapture} label="Capture Screen" />
+              <Btn onPress={onPressCaptureModalContent} label="Capture This" />
+            </View>
+          </View>
+        </SafeAreaView>
+      </Modal>
+    </Fragment>
+  );
+};
+
+ModalExample.navigationOptions = {
+  title: 'Modal',
+};
+
+export default ModalExample;