Settings: Add Utility function

Change-Id: Ic5316765d3db48351a9feaa9b3cce286d256071e

1 files changed, 44 insertions, 0 deletions

diff --git a/src/com/android/settings/Utils.java b/src/com/android/settings/Utils.java
index 6d76bed..29dcbf4 100644
--- a/src/com/android/settings/Utils.java
+++ b/src/com/android/settings/Utils.java
@@ -56,9 +56,12 @@ import android.provider.ContactsContract.Profile;
 import android.provider.ContactsContract.RawContacts;
 import android.telephony.TelephonyManager;
 import android.text.TextUtils;
+import android.util.DisplayMetrics;
 import android.util.Log;
+import android.view.DisplayInfo;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.WindowManager;
 import android.widget.ListView;
 import android.widget.TabWidget;
 
@@ -97,6 +100,14 @@ public class Utils {
      */
     private static final String META_DATA_PREFERENCE_SUMMARY = "com.android.settings.summary";
 
+    // Device types
+    private static final int DEVICE_PHONE = 0;
+    private static final int DEVICE_HYBRID = 1;
+    private static final int DEVICE_TABLET = 2;
+
+    // Device type reference
+    private static int mDeviceType = -1;
+
     /**
      * Finds a matching activity for a preference's intent. If a matching
      * activity is not found, it will remove the preference.
@@ -587,4 +598,37 @@ public class Utils {
         return ((UserManager) context.getSystemService(Context.USER_SERVICE))
                 .getUsers().size() > 1;
     }
+
+    private static int getScreenType(Context con) {
+        if (mDeviceType == -1) {
+            WindowManager wm = (WindowManager)con.getSystemService(Context.WINDOW_SERVICE);
+            DisplayInfo outDisplayInfo = new DisplayInfo();
+            wm.getDefaultDisplay().getDisplayInfo(outDisplayInfo);
+            int shortSize = Math.min(outDisplayInfo.logicalHeight, outDisplayInfo.logicalWidth);
+            int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / outDisplayInfo.logicalDensityDpi;
+            if (shortSizeDp < 600) {
+                // 0-599dp: "phone" UI with a separate status & navigation bar
+                mDeviceType =  DEVICE_PHONE;
+            } else if (shortSizeDp < 720) {
+                // 600-719dp: "phone" UI with modifications for larger screens
+                mDeviceType = DEVICE_HYBRID;
+            } else {
+                // 720dp: "tablet" UI with a single combined status & navigation bar
+                mDeviceType = DEVICE_TABLET;
+            }
+        }
+        return mDeviceType;
+    }
+
+    public static boolean isPhone(Context con) {
+        return getScreenType(con) == DEVICE_PHONE;
+    }
+
+    public static boolean isHybrid(Context con) {
+        return getScreenType(con) == DEVICE_HYBRID;
+    }
+
+    public static boolean isTablet(Context con) {
+        return getScreenType(con) == DEVICE_TABLET;
+    }
 }