如何获取相机传感器大小在Android设备？ [英] How to get Camera Sensor Size in android device?

问题描述

任何人都可以知道如何在Android设备中获取相机的传感器尺寸。

can anyone know how to get sensor size of camera in android device ?

感谢

推荐答案

从API级别21开始是可能的。从文档（ https://developer.android.com/reference/android/hardware/camera2/CameraCharacteristics.html#SENSOR_INFO_PHYSICAL_SIZE ）：

It is possible as of API level 21. From the documentation (https://developer.android.com/reference/android/hardware/camera2/CameraCharacteristics.html#SENSOR_INFO_PHYSICAL_SIZE):

public static final Key SENSOR_INFO_PHYSICAL_SIZE

public static final Key SENSOR_INFO_PHYSICAL_SIZE

整个像素阵列的物理尺寸。 [...]

The physical dimensions of the full pixel array. [...]

单位：毫米

的代码。注意，可能不只一个摄像头：

I use this kind of code. Beware, there might be more than just one camera:

import android.hardware.camera2.CameraAccessException;
import android.hardware.camera2.CameraCharacteristics;
import android.hardware.camera2.CameraManager;

private SizeF getCameraResolution(int camNum)
{
    SizeF size = new SizeF(0,0);
    CameraManager manager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
    try {
        String[] cameraIds = manager.getCameraIdList();
        if (cameraIds.length > camNum) {
            CameraCharacteristics character = manager.getCameraCharacteristics(cameraIds[camNum]);
            size = character.get(CameraCharacteristics.SENSOR_INFO_PHYSICAL_SIZE);
        }
    }
    catch (CameraAccessException e)
    {
        Log.e("YourLogString", e.getMessage(), e);
    }
    return size;
}

注意异常 CameraAccessException

不要忘记添加< uses-sdk android：minSdkVersion =21/& code>到您的清单。

Don't forget to add <uses-sdk android:minSdkVersion="21" /> to your manifest.

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