Djbl/app/src/main/java/com/guangzhou/haochuan/jxtv/util/ScreenUtil.java

package com.guangzhou.haochuan.jxtv.util;

import android.content.Context;
import android.graphics.Point;
import android.util.DisplayMetrics;
import android.view.Display;
import android.view.WindowManager;

/**
 * Created by yunhaipiaodi on 2017/9/27.
 */

public class ScreenUtil {
    private Context mContext;
    private Display display;
    private static ScreenUtil instance;

    public static ScreenUtil getInstance(){
        if(instance == null){
            instance = new ScreenUtil();
        }
        return instance;
    }

    public int getScreenWidth(Context context){
        WindowManager wm = (WindowManager) context
                .getSystemService(Context.WINDOW_SERVICE);
        display = wm.getDefaultDisplay();
        Point size = new Point();
        display.getSize(size);
        int width = size.x;
        return width;
    }

    public int getScreenHeight(Context context){
        WindowManager wm = (WindowManager) context
                .getSystemService(Context.WINDOW_SERVICE);
        display = wm.getDefaultDisplay();
        Point size = new Point();
        display.getSize(size);
        int height = size.y;
        return height;
    }

    public String getDpiType(Context context){
        DisplayMetrics displayMetrics = context.getResources().getDisplayMetrics();
        int densityDpi = displayMetrics.densityDpi;
        String dpiType = "";
        switch (densityDpi){
            case 120:
                dpiType = "ldpi";
                break;
            case 160:
                int screenWidth = getScreenWidth(context);
                int screenHeight = getScreenHeight(context);
                if(screenWidth == 1280 && screenHeight == 720){
                    dpiType = "xhdpi";
                }else if(screenWidth == 1920 && screenHeight == 1080){
                    dpiType = "xxhdpi";
                }else{
                    dpiType = "mdpi";
                }
                break;
            case 240:
                dpiType = "hdpi";
                break;
            case 320:
                dpiType = "xhdpi";
                break;
            case 480:
                dpiType = "xxhdpi";
                break;
            default:
                dpiType = "xxhdpi";
                break;

        }

        return dpiType;
    }
}