MeasureUtils.java

package com.dl7.mvp.utils;

import android.content.Context;
import android.util.DisplayMetrics;
import android.util.TypedValue;
import android.view.View;
import android.view.ViewGroup;

/**
 * Created by Rukey7 on 2016/7/18.
 */
public class MeasureUtils {

    private MeasureUtils() {
        throw new AssertionError();
    }


    public static float dp2px(Context context, float dp) {
        return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,
                context.getResources().getDisplayMetrics());
    }

    public static float sp2px(Context context, float sp) {
        return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, sp,
                context.getResources().getDisplayMetrics());
    }


    public static int getMeasuredWidthWithMargins(View child) {
        final ViewGroup.MarginLayoutParams lp = (ViewGroup.MarginLayoutParams) child.getLayoutParams();
        return child.getMeasuredWidth() + lp.leftMargin + lp.rightMargin;
    }

    public static DisplayMetrics getDisplayMetrics(Context context) {
        if (context == null) {
            return null;
        }
        return context.getResources().getDisplayMetrics();
//        activity.getWindowManager().getDefaultDisplay().getMetrics();
    }

    public static int[] getViewLocation(View view) {
        int[] location = new int[2];
        view.getLocationOnScreen(location);
        return location;
    }
}