package com.sunfusheng.StickyHeaderListView.util;
import android.app.Activity;
import android.content.Context;
import android.util.DisplayMetrics;
public class DensityUtil {
// 根据手机的分辨率将dp的单位转成px(像素)
public static int dip2px(Context context, float dpValue) {
final float scale = context.getResources().getDisplayMetrics().density;
return (int) (dpValue * scale + 0.5f);
}
// 根据手机的分辨率将px(像素)的单位转成dp
public static int px2dip(Context context, float pxValue) {
final float scale = context.getResources().getDisplayMetrics().density;
return (int) (pxValue / scale + 0.5f);
}
// 将px值转换为sp值
public static int px2sp(Context context, float pxValue) {
final float fontScale = context.getResources().getDisplayMetrics().scaledDensity;
return (int) (pxValue / fontScale + 0.5f);
}
// 将sp值转换为px值
public static int sp2px(Context context, float spValue) {
final float fontScale = context.getResources().getDisplayMetrics().scaledDensity;
return (int) (spValue * fontScale + 0.5f);
}
// 屏幕宽度(像素)
public static int getWindowWidth(Activity context){
DisplayMetrics metric = new DisplayMetrics();
context.getWindowManager().getDefaultDisplay().getMetrics(metric);
return metric.widthPixels;
}
// 屏幕高度(像素)
public static int getWindowHeight(Activity activity){
DisplayMetrics metric = new DisplayMetrics();
activity.getWindowManager().getDefaultDisplay().getMetrics(metric);
return metric.heightPixels;
}
}