Appinventor Study Notes (iv)--study on the application of hamster

First, the component design 1, the overall preview

2, the Image Wizard add

(1) First add a canvas in

Adjust properties

(2) Adding sprites

Add sprites, then upload a picture for property modification

3. Join Clock

Direct join, set to 1000ms

Second, block programming

1. Block function Establishment

(1) First select this module, change procedure to Movemole

Then add the module to the right, the composition of the diagram is as follows

The module in which the random number is found in math.

Focus on mastering the mapping coordinates of the Android app

A, the origin in the upper-left corner, the horizontal axis of the positive direction is horizontally right, the vertical axis is perpendicular downward

B, the anchor point is also in the upper left corner.

(2) constantly calling this function in the program

Find the two methods in screen and clock, then find the method we established in Produrce.

2, establish the ground mouse logic

It's not hard, you can try it.

3, the rest of the button settings

Above is the design of the reset button.

Here are the vibrating reminders.

Iii. Demonstration of results

Appinventor Study Notes (iv)--study on the application of hamster