commit 9e54c29821efd94a2a7cd59a10626391a897ef93
author Hyunyoung Song <hyunyoungs@google.com> Mon Mar 18 14:43:47 2019 -0700
committer Hyunyoung Song <hyunyoungs@google.com> Mon Mar 18 14:43:47 2019 -0700
tree b9e271142fe179fa058b0e5c53f32917aaf53726
parent 98935783561b2e31c02d344d86c6074cd1031185

Do not show Style & Wallpaper if the corresponding apk does not exist.

Bug: 128681467
Change-Id: Iff2b1dc5618dda61356203f0b33b4d6efcaaebfb

src/com/android/launcher3/views/OptionsPopupView.java

diff --git a/src/com/android/launcher3/views/OptionsPopupView.java b/src/com/android/launcher3/views/OptionsPopupView.java
index 48cf9e8..e259cfe 100644
--- a/src/com/android/launcher3/views/OptionsPopupView.java
+++ b/src/com/android/launcher3/views/OptionsPopupView.java
@@ -18,8 +18,10 @@
 import static com.android.launcher3.Utilities.EXTRA_WALLPAPER_FLAVOR;
 import static com.android.launcher3.Utilities.EXTRA_WALLPAPER_OFFSET;
 
+import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.ResolveInfo;
 import android.graphics.Rect;
 import android.graphics.RectF;
 import android.text.TextUtils;
@@ -150,7 +152,7 @@
         RectF target = new RectF(x - halfSize, y - halfSize, x + halfSize, y + halfSize);
 
         ArrayList<OptionItem> options = new ArrayList<>();
-        int res = FeatureFlags.STYLE_WALLPAPER.get() ?
+        int res = FeatureFlags.STYLE_WALLPAPER.get() && existsStyleWallpapers(launcher) ?
                 R.string.styles_wallpaper_button_text : R.string.wallpaper_button_text;
         options.add(new OptionItem(res, R.drawable.ic_wallpaper,
                 ControlType.WALLPAPER_BUTTON, OptionsPopupView::startWallpaperPicker));
@@ -164,6 +166,14 @@
         show(launcher, target, options);
     }
 
+    private static boolean existsStyleWallpapers(Launcher launcher) {
+        Intent intent = new Intent(Intent.ACTION_SET_WALLPAPER);
+        intent.setComponent(new ComponentName(launcher.getString(R.string.wallpaper_picker_package),
+                "com.android.customization.picker.CustomizationPickerActivity"));
+        ResolveInfo ri = launcher.getPackageManager().resolveActivity(intent, 0);
+        return ri != null;
+    }
+
     public static boolean onWidgetsClicked(View view) {
         return openWidgets(Launcher.getLauncher(view.getContext()));
     }