DensityUtils.java

package xyz.yhsj.yhutils.string;

import android.content.Context;
import android.util.TypedValue;

import xyz.yhsj.yhutils.logutils.LogUtils;


/**
 * 单位转换 工具类<br>
 */
public class DensityUtils {

    /**
     * dp转px
     */
    public static int dp2px(Context context, float dpVal) {
        int result = (int) TypedValue.applyDimension(
                TypedValue.COMPLEX_UNIT_DIP, dpVal, context.getResources()
                        .getDisplayMetrics());
        LogUtils.i("dp-->px：" + result);
        return result;
    }

    /**
     * sp转px
     */
    public static int sp2px(Context context, float spVal) {
        int result = (int) TypedValue.applyDimension(
                TypedValue.COMPLEX_UNIT_SP, spVal, context.getResources()
                        .getDisplayMetrics());
        LogUtils.i("sp-->px：" + result);
        return result;
    }

    /**
     * px转dp
     */
    public static int px2dp(Context context, float pxVal) {
        final float scale = context.getResources().getDisplayMetrics().density;
        int result = (int) (pxVal / scale);
        LogUtils.i("px-->dp：" + result);
        return result;
    }

    /**
     * px转sp
     */
    public static float px2sp(Context context, float pxVal) {
        int result = (int) (pxVal / context.getResources().getDisplayMetrics().scaledDensity);
        LogUtils.i("px-->sp：" + result);
        return result;
    }

}