安卓自定義View，實時繪圖保存爲圖片

採用單緩衝與雙緩衝機制分別實現。 html 1、單緩衝機制java 1.1自定義View，重寫ondraw函數android public class Brush extends View { private Paint brush = new Paint(); private Path path = new Path(); int j = 0, n = 0; // x

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