Android dynamically changes the component size. android Components

Android dynamically changes the component size. android Components

Note: to change the component, set it to warp_content in XML. For example:

If you want to change the width of a button, set its layout_width to wrap_content in xml.

In the code, you can dynamically set the width by setting LayoutParams.

ImageView pictureView = (ImageView) convertView. findViewById (R. id. picture_view); ViewGroup. layoutParams layoutParams = holder. picture. getLayoutParams (); layoutParams. width = 1024; layoutParams. height = 768; pictureView. setLayoutParams (layoutParams );

Android interview questions Video Explanation

Dynamically set the widget size? Android

For example, a button is in a LinearLayout.
So
B. setLayoutParams (new LinearLayout. LayoutParams (10, 10 ));
The unit of d is pixel.

How does the android control dynamically change the location and size as the screen size of the mobile phone varies?

Weight is the proportion. All weight is the total size.