public static int dip2px(Context context,float dipValue) {
return (int) (dipValue * (getScreenDensity(context) /160f) +0.5f);
}
public static int px2dip(Context context,float pxValue) {
return (int) ((pxValue *160) /getScreenDensity(context));
}
public static float sp2px(Context context,float sp) {
return sp *getScreenScaledDensity(context);
}
public static float px2sp(Context context,float px) {
return px /getScreenScaledDensity(context) +0.5f;
}
@SuppressWarnings("deprecation")
public static int getScreenDensity(Context context) {
DisplayMetrics dm =new DisplayMetrics();
((Activity) context).getWindowManager().getDefaultDisplay()
.getMetrics(dm);
return dm.densityDpi;
}
/**
* get Screen Density
* @param context
* @return
*/
@SuppressWarnings("deprecation")
public static float getScreenScaledDensity(Context context) {
return context.getResources().getDisplayMetrics().scaledDensity;
}
调用举例：ViewUtils.dip2px(mContext,12)；
