android - 如何打印相机动作日志

Question

在我的项目中，我尝试在 onReceive 方法中实现相机动作。单击相机图标时，我们可以打印日志。我在广播接收器中尝试过。但我无法得到结果。我在这里附上了我的一段代码。

    public void onReceive(Context context, Intent intent) {

        if (intent.getAction().equals(Intent.ACTION_CAMERA_BUTTON)) {

            Log.e("cam0","cam");
        //Intent cameraIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
        //context.startService(cameraIntent);
   // startActivity(cameraIntent, CAMERA_PIC_REQUEST);
        }
    }

是否可以为此打印日志。我在敲我的头，我仍然找不到结果。在这种情况下寻求帮助。先感谢您。

Answer 1

You can create a filter for Logcat so that every log with a specific TAG gets grouped together for quick and easy viewing. Just open up the Logcat view and to the left there is a button (green plus sign) for adding new filters.

And its convention to declare a constant in the class to be used as a log tag, for example private static final string TAG = TAG_camActivity.

If the log isn't showing up then that if statement in all likelihood isn't being evaluated to true.