Let's give you a detailed analysis of the Illustrator software and share the tutorial on creating a texture APP icon.
Tutorial sharing:
In the Ai software, create a 800*800 document, select the rectangle tool, hold down shift to draw a square, and fill the color, as shown in the figure.
Then select the square to the effect-stylized-rounded corner, as shown in the figure.
Then, select the rounded corner image to the object-path-offset path and fill in the color, as shown in the figure.
Next, select the font tool and write the text, as shown in the figure.
Finally, select the elliptical tool, draw an elliptical image, and add the gradient color, as shown in the figure.
The following figure shows the effect.
All right, the above information is the detailed tutorial on creating a texture APP icon for all the users of this software of Illustrator, users now see this. I believe you have a very good understanding of the rendering method, so you can follow the small series of tutorials to try to draw it yourself.