Android Tutorial => Setting flags

Example

You can set the following flags in the constructor, or with setFlags(int flags)

Paint.ANTI_ALIAS_FLAG Enable antialiasing, smooths the drawing.
Paint.DITHER_FLAG Enable dithering. If color precision is higher than the device's, this will happen.
Paint.EMBEDDED_BITMAP_TEXT_FLAG Enables the use of bitmap fonts.
Paint.FAKE_BOLD_TEXT_FLAG will draw text with a fake bold effect, can be used instead of using a bold typeface. Some fonts have styled bold, fake bold won't
Paint.FILTER_BITMAP_FLAG Affects the sampling of bitmaps when transformed.
Paint.HINTING_OFF, Paint.HINTING_ON Toggles font hinting, see this
Paint.LINEAR_TEXT_FLAG Disables font scaling, draw operations are scaled instead
Paint.SUBPIXEL_TEXT_FLAG Text will be computed using subpixel accuracy.
Paint.STRIKE_THRU_TEXT_FLAG Text drawn will be striked
Paint.UNDERLINE_TEXT_FLAG Text drawn will be underlined

You can add a flag and remove flags like this:

Paint paint = new Paint();
paint.setFlags(paint.getFlags() | Paint.FLAG);   // Add flag
paint.setFlags(paint.getFlags() & ~Paint.FLAG);  // Remove flag

Trying to remove a flag that isn't there or adding a flag that is already there won't change anything. Also note that most flags can also be set using set<Flag>(boolean enabled), for example setAntialias(true).

You can use paint.reset() to reset the paint to its default settings. The only default flag is EMBEDDED_BITMAP_TEXT_FLAG. It will be set even if you use new Paint(0), you will have

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Android Paint Setting flags

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