网上很多人对设置控件的位置都使用view.setPadding(left, top, right, bottom) ，其实这玩意很差劲，它是设置自己本身位置的偏移，我们很少需要这种效果，我需要的设置控件相对屏幕左上角的X 、Y位置
/*
*获取、设置控件信息
*/
public classWidgetController {
/*
*获取控件宽
*/
public static intgetWidth(View view) {
intw = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
inth = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
view.measure(w, h);
return(view.getMeasuredWidth());
}
/*
*获取控件高
*/
public static intgetHeight(View view) {
intw = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
inth = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
view.measure(w, h);
return(view.getMeasuredHeight());
}
/*
*设置控件所在的位置X，并且不改变宽高，
* X为绝对位置，此时Y可能归0
*/
public static voidsetLayoutX(View view,intx) {
MarginLayoutParams margin =newMarginLayoutParams(view.getLayoutParams());
margin.setMargins(x, margin.topMargin, x + margin.width, margin.bottomMargin);
RelativeLayout.LayoutParams layoutParams =newRelativeLayout.LayoutParams(margin);
view.setLayoutParams(layoutParams);
}
/*
*设置控件所在的位置Y，并且不改变宽高，
* Y为绝对位置，此时X可能归0
*/
public static voidsetLayoutY(View view,inty) {
MarginLayoutParams margin =newMarginLayoutParams(view.getLayoutParams());
margin.setMargins(margin.leftMargin, y, margin.rightMargin, y + margin.height);
RelativeLayout.LayoutParams layoutParams =newRelativeLayout.LayoutParams(margin);
view.setLayoutParams(layoutParams);
}
/*
*设置控件所在的位置YY，并且不改变宽高，
* XY为绝对位置
*/
public static voidsetLayout(View view,intx,inty) {
MarginLayoutParams margin =newMarginLayoutParams(view.getLayoutParams());
margin.setMargins(x, y, x + margin.width, y + margin.height);
RelativeLayout.LayoutParams layoutParams =newRelativeLayout.LayoutParams(margin);
view.setLayoutParams(layoutParams);
}
}