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I want to set margins by percentage.. I have 4 imageviews in a linearlayout and want to set default left,right,top,bottom margins that keep same percentage for each screen size.
is it possible ?
here is a demo what i want.. 
And here is what i've tried and doesn't work
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:weightSum="10" > <Thumbnail android:id="@+id/thumb1" android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="4" /> <Thumbnail android:id="@+id/thumb2" android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="4" /> </LinearLayout> <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:weightSum="10" > <Thumbnail android:id="@+id/thumb3" android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="4" > </Thumbnail> <Thumbnail android:id="@+id/thumb4" android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="4" /> </LinearLayout> </LinearLayout> Thanks for your help
441
You can currently do this in a couple of ways. One is to create guidelines (right-click the design area, then click add vertical/horizontal guideline). You can then click the guideline's "header" to change the positioning to be percentage based. Finally, you can constrain views to guidelines.
No, you should not use negative margin .
Note that padding goes completely around the content: there is padding on the top, bottom, right and left sides (which can be independent). Margins are the spaces outside the border, between the border and the other elements next to this view. In the image, the margin is the grey area outside the entire object.
You can have invisible Views in your LinearLayouts as spacers and use the layout_weight mechanism to assign them relative size.
Example:
<LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1"> <Thumbnail android:id="@+id/thumb1" android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="4" /> <View android:layout_width="0dp" android:layout_height="0dp" android:layout_weight="2" android:visibility="invisible"/> <Thumbnail android:id="@+id/thumb2" android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="4" /> </LinearLayout> If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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