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Custome Views

Avatar for saulpower saulpower
March 13, 2014
Technology
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Custome Views

Avatar for saulpower

saulpower

March 13, 2014
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Transcript

  1. Learn Android Custom Views

  2. Goals Create a custom view

  3. Views Use in XML Custom Attributes Apply attributes in constructor

  4. Layout Measure Pass onMeasure() MeasureSpec Size and Mode AT_MOST, EXACTLY,

    UNSPECIFIED setMeasuredDimension() Layout Pass onLayout() requestLayout()

  5. Drawing Canvas & Paint Transformations Drawing operations invalidate() ObjectAnimator

  6. Touch MotionEvent Action onInterceptTouchEvent() onTouchEvent()