1. Multimedia
a lot of media: text (TextView, simply don't speak ), pictures, sounds, videos and so on.
2. Picture
How does a computer represent a picture?
(1) BMP high-quality preservation
256-color bitmap: Each pixel in the picture can have 256 colors to choose from, and 1 pixels to use 1 byte notation. (BYTE:00~FF)
24-color bitmap: Each pixel in the picture can have
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Choice of Colors
16-color bitmap: Each pixel in the picture can have
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Choice of Colors
monochrome bitmap: Each pixel in the picture can have 1 colors to choose from.
(2) JPG good quality preservation
graphics compression algorithm. Merge similar colors together and replace them with the same color
(3) PNG high quality preservation
Graphics compression algorithm (advanced algorithm). Combine similar colors and replace them with the same color, suitable for computer networks
From for notes (Wiz)
Android (Java) Learning Note 235: Computer graphics representation of multimedia