ios's view view dynamic background

How to achieve this? The webview cover at the bottom? Can not directly play the animation? Because it is the background, it is not covered by the above controls
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The webview cover at the bottom?

I may be bad ability to understand, do not understand what you're saying. Gif can be done by moving up in the background. If it is another video, can not do background.
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cited a floor reply:

the webview cover at the bottom?

I may be bad ability to understand, do not understand what you're saying. Gif can be done by moving up in the background. If it is another video, can not do background.

Well, it is simply, how do gif background. In fact, had wanted to use other formats
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You put forward uiwebview below, put gif on uiwebview inside, then other controls on top, the other controls the background is set to transparent.

Other video format the system will automatically use the player to play, so can not do background. Unless you put the video into a frame by frame rgb picture, and then put under a uiimageview. Then the timing change the picture up. This little difficult, but achievable.
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xcode there is such, nib editor controls the left side of the top surface is up and running on the bottom, at the back of the controls up and running on at the top. So what you want at the bottom, you put the top surface
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references, 4th Floor reply:

xcode there is this, nib editor controls the left side of the top surface is up and running on the bottom, at the back of the control running on at the top. So what you want at the bottom, you put the top surface

ImageView not use it?
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How to gif on uiwebview inside this requires a little knowledge of html, you can create an html file in the project inside, and then inside the img tag with the picture into them, images and html put this together with a relative path can be. Then uiwebview load the html on it.
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imageview inside the picture does not seem to move. You can try, which I have not tried. uiwebview inside the picture is moving. You can look up what the controls inside the gif moving.
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reference to the 7th floor of replies:

imageview inside the picture does not seem to move. You can try, which I have not tried. uiwebview inside the picture is moving. You can look up what the controls inside the gif moving.

How to prevent uiwebview in that picture is selected, as well as to prevent the user or by sliding uiwebview Zoom
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All controls have attributes, like asking enabletouch, you get rid of this, it can not accept that controls the user touches the incident.
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reference to the 9th floor Reply:

all controls have attributes, like asking enabletouch, you get rid of this, it can not accept that controls the user touches the incident.

Thanks, there is a problem, if the pop-up modal view inside view in a parent, how to make the background transparent modal view, parent view can be displayed in the background, and the subview opaque modal view on this
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What you say is presentModalViewController? This get well. You can get hold of their own view, write your own code to put it pop it, the view in the background is set to transparent, subview opaque background on it.
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Note that the background transparent, alpha property is not control. The background color is set to clear color on it