public class DisplayUtils {
/**
* 将px值转换为dp值
*/
public static int px2dp(Context context, float pxValue) {
final float scale = context.getResources().getDisplayMetrics().density;
return (int) (pxValue / scale + 0.5f);
}
/**
* 将dp值转换为px值
*/
public static int dp2px(Context context, float dpValue) {
final float scale = context.getResources().getDisplayMetrics().density;
return (int) (dpValue * scale + 0.5f);
}
/**
* 获取屏幕宽度
*/
public static int getScreenWidthPixels(Activity context) {
DisplayMetrics metric = new DisplayMetrics();
context.getWindowManager().getDefaultDisplay().getMetrics(metric);
return metric.widthPixels;
}
/**
* 获取屏幕高度
*/
public static int getScreenHeightPixels(Activity context) {
DisplayMetrics metric = new DisplayMetrics();
context.getWindowManager().getDefaultDisplay().getMetrics(metric);
return metric.heightPixels;
}
}
