react-native-camera

npm install @ohmi/react-native-camera

yarn add @ohmi/react-native-camera

import React, {useState, useRef} from 'react';
import {StyleSheet, Text, View, Button, Image} from 'react-native';
import {RNCamera} from 'react-native-camera';

export const PhotoDemo = () => {
  const cameraRef = useRef(null);
  const [capturedImage, setCapturedImage] = useState(null);

  const takePicture = async () => {
    if (cameraRef.current) {
      try {
        const options = {quality: 0.5, base64: false};
        const data = await cameraRef.current.takePictureAsync(options);
        setCapturedImage(data.uri);
      } catch (error) {
        console.error('拍照出错:', error);
      }
    }
  };

  return (
    <View style={styles.container}>
      {capturedImage ? (
        <Image source={{uri: capturedImage}} style={styles.capturedImage} />
      ) : (
        <RNCamera
          ref={cameraRef}
          style={styles.preview}
          type={RNCamera.Constants.Type.back}
          flashMode={RNCamera.Constants.FlashMode.off}
        />
      )}
      <Button title="拍照" onPress={takePicture} />
    </View>
  );
};

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
  },
  preview: {
    width: 300,
    height: 400,
    marginBottom: 20,
  },
  capturedImage: {
    width: 300,
    height: 400,
    marginBottom: 20,
  },
});

import React, {useState, useRef} from 'react';
import {StyleSheet, Text, View, Button} from 'react-native';
import {RNCamera} from 'react-native-camera';

export const VideoDemo = () => {
  const cameraRef = useRef(null);
  const [isRecording, setIsRecording] = useState(false);
  const [isPaused, setIsPaused] = useState(false);
  const [videoUri, setVideoUri] = useState(null);

  const startRecording = async () => {
    if (cameraRef.current) {
      try {
        const options = {quality: RNCamera.Constants.VideoQuality['720p']};
        const videoRecordPromise = cameraRef.current.recordAsync(options);

        if (videoRecordPromise) {
          setIsRecording(true);
          const data = await videoRecordPromise;
          setVideoUri(data.uri);
          setIsRecording(false);
        }
      } catch (error) {
        console.error('录制视频出错:', error);
      }
    }
  };

  const stopRecording = () => {
    if (cameraRef.current) {
      cameraRef.current.stopRecording();
      setIsRecording(false);
    }
  };

  const pauseRecording = () => {
    if (cameraRef.current) {
      cameraRef.current.pausePreview();
      setIsPaused(true);
    }
  };

  const resumeRecording = () => {
    if (cameraRef.current) {
      cameraRef.current.resumePreview();
      setIsPaused(false);
    }
  };

  return (
    <View style={styles.container}>
      <RNCamera
        ref={cameraRef}
        style={styles.preview}
        type={RNCamera.Constants.Type.back}
        flashMode={RNCamera.Constants.FlashMode.off}
        captureAudio={true}
        onRecordingStart={()=>{}}
      />
      <View style={styles.buttonContainer}>
        {!isRecording && <Button title="开始录制" onPress={startRecording} />}
        {isRecording && !isPaused && (
          <Button title="暂停录制" onPress={pauseRecording} />
        )}
        {isRecording && isPaused && (
          <Button title="恢复录制" onPress={resumeRecording} />
        )}
        {isRecording && <Button title="停止录制" onPress={stopRecording} />}
      </View>
      {videoUri && (
        <Text style={styles.videoUriText}>视频保存路径: {videoUri}</Text>
      )}
    </View>
  );
};

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
  },
  preview: {
    width: 300,
    height: 400,
    marginBottom: 20,
  },
  buttonContainer: {
    flexDirection: 'row',
    justifyContent: 'space-around',
    width: '100%',
    backgroundColor: '#000',
    padding: 4,
  },
  videoUriText: {
    textAlign: 'center',
  },
  videoPlayer: {
    width: 300,
    height: 400,
    marginBottom: 20,
  },
});

{
  ...
  "overrides": {
    "@rnoh/react-native-openharmony" : "./react_native_openharmony"
  }
}

"dependencies": {
    "@rnoh/react-native-openharmony": "file:../react_native_openharmony",
    "@ohmi/react-native-camera": "file:../../node_modules/@ohmi/react-native-camera/harmony/camera.har"
  }

cd entry
ohpm install

project(rnapp)
cmake_minimum_required(VERSION 3.4.1)
set(CMAKE_SKIP_BUILD_RPATH TRUE)
set(RNOH_APP_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
set(NODE_MODULES "${CMAKE_CURRENT_SOURCE_DIR}/../../../../../node_modules")
+ set(OH_MODULES "${CMAKE_CURRENT_SOURCE_DIR}/../../../oh_modules")
set(RNOH_CPP_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../react-native-harmony/harmony/cpp")
set(LOG_VERBOSITY_LEVEL 1)
set(CMAKE_ASM_FLAGS "-Wno-error=unused-command-line-argument -Qunused-arguments")
set(CMAKE_CXX_FLAGS "-fstack-protector-strong -Wl,-z,relro,-z,now,-z,noexecstack -s -fPIE -pie")
set(WITH_HITRACE_SYSTRACE 1) # for other CMakeLists.txt files to use
add_compile_definitions(WITH_HITRACE_SYSTRACE)

add_subdirectory("${RNOH_CPP_DIR}" ./rn)

# RNOH_BEGIN: manual_package_linking_1
add_subdirectory("../../../../sample_package/src/main/cpp" ./sample-package)
+ add_subdirectory("${OH_MODULES}/@ohmi/react-native-camera/src/main/cpp" ./camera)
# RNOH_END: manual_package_linking_1

file(GLOB GENERATED_CPP_FILES "./generated/*.cpp")

add_library(rnoh_app SHARED
    ${GENERATED_CPP_FILES}
    "./PackageProvider.cpp"
    "${RNOH_CPP_DIR}/RNOHAppNapiBridge.cpp"
)
target_link_libraries(rnoh_app PUBLIC rnoh)

# RNOH_BEGIN: manual_package_linking_2
target_link_libraries(rnoh_app PUBLIC rnoh_sample_package)
+ target_link_libraries(rnoh_app PUBLIC rnoh_camera)
# RNOH_END: manual_package_linking_2

#include "RNOH/PackageProvider.h"
#include "generated/RNOHGeneratedPackage.h"
#include "SamplePackage.h"
+ #include "RTNCameraPackage.h"

using namespace rnoh;

std::vector<std::shared_ptr<Package>> PackageProvider::getPackages(Package::Context ctx) {
    return {
        std::make_shared<RNOHGeneratedPackage>(ctx),
        std::make_shared<SamplePackage>(ctx),
+       std::make_shared<RTNCameraPackage>(ctx),
    };
}

  ...
+ import { RTNCameraView } from "@ohmi/react-native-camera";

@Builder
export function buildCustomRNComponent(ctx: ComponentBuilderContext) {
  ...
+ if (ctx.componentName === RTNCameraView.NAME) {
+   RTNCameraView({
+     ctx: ctx.rnComponentContext,
+     tag: ctx.tag,
+   })
+ }
...
}
...

  ...
 const arkTsComponentNames: Array<string> = [..., RTNCameraView.NAME]; 
  ...

  ...
+ import { RTNCameraPackage } from "@ohmi/react-native-camera/ts";

export function createRNPackages(ctx: RNPackageContext): RNPackage[] {
  return [
    new SamplePackage(ctx),
+   new RTNCameraPackage(ctx),
  ];
}

cd entry
ohpm install

...
"requestPermissions": [
+  {
+    "name": "ohos.permission.CAMERA",
+    "reason": "$string:camera_reason",
+    "usedScene": {
+      "abilities": [
+        "EntryAbility"
+      ],
+      "when":"inuse"
+    }
+  },
+  {
+    "name": "ohos.permission.MICROPHONE",
+    "reason": "$string:microphone_reason",
+    "usedScene": {
+      "abilities": [
+        "EntryAbility"
+      ],
+      "when":"inuse"
+    }
+  },
]

...
{
  "string": [
+    {
+      "name": "camera_reason",
+      "value": "使用相机"
+    },
+    {
+      "name": "microphone_reason",
+      "value": "使用麦克风"
+    },
  ]
}