Method for detecting projection transverse and vertical screens of vehicular internet mobile terminals

The invention provides a method for detecting projection transverse and vertical screens of vehicular internet mobile terminals. The method includes steps of 1, projecting screens of the mobile terminals onto screens of vehicular machines and caching projected images in physical memories of the vehicular machines; 2, acquiring effective cache addresses of the projected images on the screens; 3, sampling standard projection width and height values of transverse and vertical screen states of the mobile terminals; 4, detecting boundaries of the images in each certain time period according to the effective cache addresses of the projected images on the screens and acquiring actual width and height values of the images in real time; 5, respectively comparing the actual width and height values of the projected images on the screens to the sampled standard projection width and height values of the transverse and vertical screen states of the mobile terminals and determining the transverse and vertical screen states of the screens according to compared difference values. Compared with other methods for acquiring state information from mobile terminals and then transmitting the state information to vehicular machines, the method has the advantages that the method can be directly implemented at vehicular machine ends, operation procedures can be carried out easily, conveniently and quickly, the cost can be lowered, and the efficiency can be improved.