如果在使用Android相机API 2时遇到了不正确的相机特性,可以尝试以下解决方法:
CameraManager cameraManager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
String cameraId = cameraManager.getCameraIdList()[0]; // 获取设备第一个相机
CameraCharacteristics characteristics = cameraManager.getCameraCharacteristics(cameraId);
int[] capabilities = characteristics.get(CameraCharacteristics.REQUEST_AVAILABLE_CAPABILITIES);
if (!contains(capabilities, CameraCharacteristics.REQUEST_AVAILABLE_CAPABILITIES_MANUAL_SENSOR)) {
// 设备不支持手动设置传感器参数
}
CameraManager cameraManager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
String cameraId = cameraManager.getCameraIdList()[0]; // 获取设备第一个相机
CameraCharacteristics characteristics = cameraManager.getCameraCharacteristics(cameraId);
StreamConfigurationMap configurationMap = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
Size[] outputSizes = configurationMap.getOutputSizes(ImageFormat.JPEG);
Size[] rawSizes = configurationMap.getOutputSizes(ImageFormat.RAW_SENSOR);
// 设置相机参数
CameraDevice cameraDevice;
cameraManager.openCamera(cameraId, new CameraDevice.StateCallback() {
@Override
public void onOpened(@NonNull CameraDevice camera) {
cameraDevice = camera;
// 设置相机参数
// ...
}
@Override
public void onDisconnected(@NonNull CameraDevice camera) {
cameraDevice.close();
}
@Override
public void onError(@NonNull CameraDevice camera, int error) {
cameraDevice.close();
}
}, null);
// 检查并请求相机权限
if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.CAMERA}, REQUEST_CAMERA_PERMISSION);
}
这些解决方法可以帮助您处理Android相机API 2中的不正确相机特性。根据具体的问题,您可能还需要进一步调查和调试,以找到最佳解决方案。