Add xxhdpi; fix ActivityManager.getLauncherLargeIconSize() etc.

Change-Id: I519d6cdc527a402d93b98df17a64fc1da52ad598

Author: Dianne Hackborn

api/current.txt

@@ -21388,6 +21388,7 @@ package android.util {
     field public static final int DENSITY_MEDIUM = 160; // 0xa0
     field public static final int DENSITY_TV = 213; // 0xd5
     field public static final int DENSITY_XHIGH = 320; // 0x140
+    field public static final int DENSITY_XXHIGH = 480; // 0x1e0
     field public float density;
     field public int densityDpi;
     field public int heightPixels;

core/java/android/app/ActivityManager.java

@@ -1442,9 +1442,10 @@ public ConfigurationInfo getDeviceConfigurationInfo() {
     public int getLauncherLargeIconDensity() {
         final Resources res = mContext.getResources();
         final int density = res.getDisplayMetrics().densityDpi;
+        final int sw = res.getConfiguration().smallestScreenWidthDp;
 
-        if ((res.getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK)
-                != Configuration.SCREENLAYOUT_SIZE_XLARGE) {
+        if (sw < 600) {
+            // Smaller than approx 7" tablets, use the regular icon size.
             return density;
         }
 
@@ -1456,9 +1457,13 @@ public int getLauncherLargeIconDensity() {
             case DisplayMetrics.DENSITY_HIGH:
                 return DisplayMetrics.DENSITY_XHIGH;
             case DisplayMetrics.DENSITY_XHIGH:
-                return DisplayMetrics.DENSITY_MEDIUM * 2;
+                return DisplayMetrics.DENSITY_XXHIGH;
+            case DisplayMetrics.DENSITY_XXHIGH:
+                return DisplayMetrics.DENSITY_XHIGH * 2;
             default:
-                return density;
+                // The density is some abnormal value.  Return some other
+                // abnormal value that is a reasonable scaling of it.
+                return (int)(density*1.5f);
         }
     }
 
@@ -1471,9 +1476,10 @@ public int getLauncherLargeIconDensity() {
     public int getLauncherLargeIconSize() {
         final Resources res = mContext.getResources();
         final int size = res.getDimensionPixelSize(android.R.dimen.app_icon_size);
+        final int sw = res.getConfiguration().smallestScreenWidthDp;
 
-        if ((res.getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK)
-                != Configuration.SCREENLAYOUT_SIZE_XLARGE) {
+        if (sw < 600) {
+            // Smaller than approx 7" tablets, use the regular icon size.
             return size;
         }
 
@@ -1487,9 +1493,13 @@ public int getLauncherLargeIconSize() {
             case DisplayMetrics.DENSITY_HIGH:
                 return (size * DisplayMetrics.DENSITY_XHIGH) / DisplayMetrics.DENSITY_HIGH;
             case DisplayMetrics.DENSITY_XHIGH:
-                return (size * DisplayMetrics.DENSITY_MEDIUM * 2) / DisplayMetrics.DENSITY_XHIGH;
+                return (size * DisplayMetrics.DENSITY_XXHIGH) / DisplayMetrics.DENSITY_XHIGH;
+            case DisplayMetrics.DENSITY_XXHIGH:
+                return (size * DisplayMetrics.DENSITY_XHIGH*2) / DisplayMetrics.DENSITY_XXHIGH;
             default:
-                return size;
+                // The density is some abnormal value.  Return some other
+                // abnormal value that is a reasonable scaling of it.
+                return (int)(size*1.5f);
         }
     }
 

core/java/android/util/DisplayMetrics.java

@@ -56,6 +56,13 @@ public class DisplayMetrics {
      */
     public static final int DENSITY_XHIGH = 320;
 
+    /**
+     * Standard quantized DPI for extra-extra-high-density screens.  Applications
+     * should not generally worry about this density; relying on XHIGH graphics
+     * being scaled up to it should be sufficient for almost all cases.
+     */
+    public static final int DENSITY_XXHIGH = 480;
+
     /**
      * The reference density used throughout the system.
      */

include/utils/ResourceTypes.h

@@ -843,6 +843,8 @@ struct ResTable_config
         DENSITY_MEDIUM = ACONFIGURATION_DENSITY_MEDIUM,
         DENSITY_TV = ACONFIGURATION_DENSITY_TV,
         DENSITY_HIGH = ACONFIGURATION_DENSITY_HIGH,
+        DENSITY_XHIGH = ACONFIGURATION_DENSITY_XHIGH,
+        DENSITY_XXHIGH = ACONFIGURATION_DENSITY_XXHIGH,
         DENSITY_NONE = ACONFIGURATION_DENSITY_NONE
     };
 

native/include/android/configuration.h

@@ -42,6 +42,8 @@ enum {
     ACONFIGURATION_DENSITY_MEDIUM = 160,
     ACONFIGURATION_DENSITY_TV = 213,
     ACONFIGURATION_DENSITY_HIGH = 240,
+    ACONFIGURATION_DENSITY_XHIGH = 320,
+    ACONFIGURATION_DENSITY_XXHIGH = 480,
     ACONFIGURATION_DENSITY_NONE = 0xffff,
 
     ACONFIGURATION_KEYBOARD_ANY  = 0x0000,

tools/aapt/AaptAssets.cpp

@@ -1079,12 +1079,17 @@ bool AaptGroupEntry::getDensityName(const char* name,
         if (out) out->density = ResTable_config::DENSITY_HIGH;
         return true;
     }
-    
+
     if (strcmp(name, "xhdpi") == 0) {
-        if (out) out->density = ResTable_config::DENSITY_MEDIUM*2;
+        if (out) out->density = ResTable_config::DENSITY_XHIGH;
         return true;
     }
-    
+
+    if (strcmp(name, "xxhdpi") == 0) {
+        if (out) out->density = ResTable_config::DENSITY_XXHIGH;
+        return true;
+    }
+
     char* c = (char*)name;
     while (*c >= '0' && *c <= '9') {
         c++;