set height of imageview as matchparent programmatically

Question

I need to set the height of an imageview as matchparent programatically if it is a fixed height i know how to set   but how can i set it as matchparent     EDIT   actually height of the parent layout is dynamic so i need to make the height of the imageview as the height of parent

User · Answer

imageView getLayoutParams   height  ViewGroup LayoutParams MATCH PARENT

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You can try this incase you would like to match parent  The dimensions arrangement is width and height inorder  web   new WebView this           web setLayoutParams new ViewGroup LayoutParams ViewGroup LayoutParams MATCH PARENT  ViewGroup LayoutParams MATCH PARENT

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For Kotlin Users   val params   mImageView  layoutParams as FrameLayout LayoutParams params width   FrameLayout LayoutParams MATCH PARENT params height   FrameLayout LayoutParams MATCH PARENT mImageView  layoutParams   params   Here I used FrameLayout LayoutParams since my views  ImageView  parent is FrameLayout

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initiate LayoutParams    assign  the parent s width and height and pass it to setLayoutParams method of the imageview

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imageView setLayoutParams new LayoutParams LayoutParams MATCH PARENT  LayoutParams MATCH PARENT

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imageView setLayoutParams      new ViewGroup MarginLayoutParams          width  ViewGroup LayoutParams MATCH PARENT      The Type of layout params depends on the parent view group  If you put the wrong one it will cause exception

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You can use the MATCH PARENT constant or its numeric value -1

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I had same issue  Resolved by firstly setting    imageView setMinHeight 0   imageView setMinimumHeight 0     And then     imageView getLayoutParams   height  ViewGroup LayoutParams MATCH PARENT    setMinHeight is defined by ImageView  while setMinimumHeight is defined by View  According to the docs  the greater of the two values is used  so both must be set

[android] set height of imageview as matchparent programmatically

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