package io.hefuyi.zhihudaily.util;
import android.app.Activity;
import android.content.Context;
import android.graphics.Point;
import android.util.DisplayMetrics;
import android.view.Display;
import android.view.WindowManager;
import java.lang.reflect.InvocationTargetException;
/**
* Created by hefuyi on 16/7/30.
*/
public class DensityUtil {
public static int getScreenHeight(Context context) {
DisplayMetrics displayMetrics = new DisplayMetrics();
((Activity) context).getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
return displayMetrics.heightPixels;
}
public static int getScreenWidth(Context context) {
DisplayMetrics displayMetrics = new DisplayMetrics();
((Activity) context).getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
return displayMetrics.widthPixels;
}
public static int getScreenHeightWithDecorations(Context context) {
int heightPixes;
WindowManager windowManager = ((Activity) context).getWindowManager();
Display display = windowManager.getDefaultDisplay();
Point realSize = new Point();
try {
Display.class.getMethod("getRealSize", Point.class).invoke(display, realSize);
} catch (NoSuchMethodException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
}
heightPixes = realSize.y;
return heightPixes;
}
public static int dip2px(Context context, float dpVale) {
final float scale = context.getResources().getDisplayMetrics().density;
return (int) (dpVale * scale + 0.5f);
}
public static int px2dip(Context context, float pxValue) {
final float scale = context.getResources().getDisplayMetrics().density;
return (int) (pxValue / scale + 0.5f);
}
}