我们通俗可以直接在xml里设置margin,如:
url:http://greatverve.cnblogs.com/archive/2012/01/29/android-margin.html
<ImageView android:layout_margin="5dip" android:src="@drawable/image" />
然则有些景象下,须要在java代码里来写,可是View本身没有setMargin办法,怎么办呢?
经由过程查阅android api,我们发明android.view.ViewGroup.MarginLayoutParams有个办法setMargins(left, top, right, bottom).
其直接的子类有: FrameLayout.LayoutParams, LinearLayout.LayoutParams and RelativeLayout.LayoutParams.
应用办法:
LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
lp.setMargins(10, 20, 30, 40);
imageView.setLayoutParams(lp);
lp.setMargins(10, 20, 30, 40);
imageView.setLayoutParams(lp);
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