How do I get the ScreenSize programmatically in android

Solution 1:

Copy and paste this code into your Activity and when it is executed it will Toast the device's screen size category.

int screenSize = getResources().getConfiguration().screenLayout &
        Configuration.SCREENLAYOUT_SIZE_MASK;

String toastMsg;
switch(screenSize) {
    case Configuration.SCREENLAYOUT_SIZE_LARGE:
        toastMsg = "Large screen";
        break;
    case Configuration.SCREENLAYOUT_SIZE_NORMAL:
        toastMsg = "Normal screen";
        break;
    case Configuration.SCREENLAYOUT_SIZE_SMALL:
        toastMsg = "Small screen";
        break;
    default:
        toastMsg = "Screen size is neither large, normal or small";
}
Toast.makeText(this, toastMsg, Toast.LENGTH_LONG).show();

Solution 2:

private static String getScreenResolution(Context context)
{
    WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    Display display = wm.getDefaultDisplay();
    DisplayMetrics metrics = new DisplayMetrics();
    display.getMetrics(metrics);
    int width = metrics.widthPixels;
    int height = metrics.heightPixels;

    return "{" + width + "," + height + "}";
}

Solution 3:

Determine Screen Size :

int screenSize = getResources().getConfiguration().screenLayout &Configuration.SCREENLAYOUT_SIZE_MASK;
  switch(screenSize) {
      case Configuration.SCREENLAYOUT_SIZE_LARGE:
        Toast.makeText(this, "Large screen",Toast.LENGTH_LONG).show();
         break;
       case Configuration.SCREENLAYOUT_SIZE_NORMAL:
          Toast.makeText(this, "Normal screen",Toast.LENGTH_LONG).show();
           break;
       case Configuration.SCREENLAYOUT_SIZE_SMALL:
           Toast.makeText(this, "Small screen",Toast.LENGTH_LONG).show();
           break;
       default:
           Toast.makeText(this, "Screen size is neither large, normal or small" , Toast.LENGTH_LONG).show();

 }

Determine density:

int density= getResources().getDisplayMetrics().densityDpi;
   switch(density)
  {
  case DisplayMetrics.DENSITY_LOW:
     Toast.makeText(context, "LDPI", Toast.LENGTH_SHORT).show();
      break;
  case DisplayMetrics.DENSITY_MEDIUM:
       Toast.makeText(context, "MDPI", Toast.LENGTH_SHORT).show();
      break;
  case DisplayMetrics.DENSITY_HIGH:
      Toast.makeText(context, "HDPI", Toast.LENGTH_SHORT).show();
      break;
  case DisplayMetrics.DENSITY_XHIGH:
       Toast.makeText(context, "XHDPI", Toast.LENGTH_SHORT).show();
      break;
  }

for Ref: http://devl-android.blogspot.in/2013/10/wifi-connectivity-and-hotspot-in-android.html

Solution 4:

I think it is a pretty straight forward simple piece of code!

public Map<String, Integer> deriveMetrics(Activity activity) {
    try {
        DisplayMetrics metrics = new DisplayMetrics();

        if (activity != null) {
            activity.getWindowManager().getDefaultDisplay().getMetrics(metrics);
        }

        Map<String, Integer> map = new HashMap<String, Integer>();
        map.put("screenWidth", Integer.valueOf(metrics.widthPixels));
        map.put("screenHeight", Integer.valueOf(metrics.heightPixels));
        map.put("screenDensity", Integer.valueOf(metrics.densityDpi));

        return map;
    } catch (Exception err) {
        ; // just use zero values
        return null;
    }
}

This method now can be used anywhere independently. Wherever you want to get information about device screen do it as follows:

        Map<String, Integer> map = deriveMetrics2(this);
        map.get("screenWidth");
        map.get("screenHeight");
        map.get("screenDensity");

Hope this might be helpful to someone out there and may find it easier to use. If I need to re-correct or improve please don't hesitate to let me know! :-)

Cheers!!!

Solution 5:

DisplayMetrics displayMetrics = new DisplayMetrics();

getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);

int width = displayMetrics.widthPixels;

int height = displayMetrics.heightPixels;