A method for realizing the progress bar control of the dynamic graph display of the audio frequency spectrum
A technology of audio frequency spectrum and implementation method, which is applied in the field of custom control (self-drawing control), can solve the problem of single function, achieve the effect of small space occupation, harmony and unity of progress bar change and spectrum animation, and rich spectrum animation display effect
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[0042] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0043] Such as figure 1 , 2 , 3, the implementation method of the moving picture display progress bar control of the audio frequency spectrum described in the present invention, first based on the View custom control, by custom processing spectrum drawing and progress bar drawing, custom processing touch and button events, realize the spectrum The display and interaction of the animation display and the progress bar, and the audio spectrum and the progress bar are superimposed in the same area, see figure 1 , 2 as shown,
[0044] in:
[0045] Overload the onDraw method to realize the dynamic display of spectrum data, and draw the playback progress and buffer progress at the same time.
[0046] Overload the onTouchEvent method to realize the progress bar drag operation,
[0047] This implements a control that can drag the progress and display the audio s...
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