Only add entry with unique package name to default browser list.
am: 688d1d81cb

Change-Id: I36e4ececdbe333a25f2f7cba6e4a3e4e2f229b71
diff --git a/src/com/android/settings/applications/defaultapps/DefaultBrowserPicker.java b/src/com/android/settings/applications/defaultapps/DefaultBrowserPicker.java
index 8153be2..c243970 100644
--- a/src/com/android/settings/applications/defaultapps/DefaultBrowserPicker.java
+++ b/src/com/android/settings/applications/defaultapps/DefaultBrowserPicker.java
@@ -17,9 +17,11 @@
 package com.android.settings.applications.defaultapps;
 
 import android.content.Context;
+import android.content.pm.ComponentInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 
+import android.util.ArraySet;
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
 
@@ -27,6 +29,7 @@
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Set;
 
 /**
  * Fragment for choosing default browser.
@@ -62,14 +65,20 @@
                 DefaultBrowserPreferenceController.BROWSE_PROBE, PackageManager.MATCH_ALL, mUserId);
 
         final int count = list.size();
+        final Set<String> addedPackages = new ArraySet<>();
         for (int i = 0; i < count; i++) {
             ResolveInfo info = list.get(i);
             if (info.activityInfo == null || !info.handleAllWebDataURI) {
                 continue;
             }
+            final String packageName = info.activityInfo.packageName;
+            if (addedPackages.contains(packageName)) {
+                continue;
+            }
             try {
                 candidates.add(new DefaultAppInfo(context, mPm,
-                        mPm.getApplicationInfoAsUser(info.activityInfo.packageName, 0, mUserId)));
+                        mPm.getApplicationInfoAsUser(packageName, 0, mUserId)));
+                addedPackages.add(packageName);
             } catch (PackageManager.NameNotFoundException e) {
                 // Skip unknown packages.
             }
diff --git a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultBrowserPickerTest.java b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultBrowserPickerTest.java
index 4f4c90e..15a1a67 100644
--- a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultBrowserPickerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultBrowserPickerTest.java
@@ -16,6 +16,8 @@
 
 package com.android.settings.applications.defaultapps;
 
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyInt;
 import static org.mockito.Matchers.eq;
 import static org.mockito.Mockito.verify;
@@ -23,11 +25,20 @@
 
 import android.app.Activity;
 import android.content.Context;
+import android.content.Intent;
+import android.content.pm.ActivityInfo;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.content.pm.ResolveInfo;
 import android.os.UserManager;
 
+import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settingslib.applications.DefaultAppInfo;
 import com.android.settingslib.wrapper.PackageManagerWrapper;
 
+import java.util.ArrayList;
+import java.util.List;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -53,6 +64,7 @@
     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
+        FakeFeatureFactory.setupForTest();
         when(mActivity.getSystemService(Context.USER_SERVICE)).thenReturn(mUserManager);
 
         mPicker = new DefaultBrowserPicker();
@@ -72,4 +84,39 @@
         mPicker.getDefaultKey();
         verify(mPackageManager).getDefaultBrowserPackageNameAsUser(anyInt());
     }
+
+    @Test
+    public void getCandidates_shouldNotIncludeDuplicatePackageName() throws NameNotFoundException {
+        final List<ResolveInfo> resolveInfos = new ArrayList<>();
+        final String PACKAGE_ONE = "com.first.package";
+        final String PACKAGE_TWO = "com.second.package";
+        resolveInfos.add(createResolveInfo(PACKAGE_ONE));
+        resolveInfos.add(createResolveInfo(PACKAGE_TWO));
+        resolveInfos.add(createResolveInfo(PACKAGE_ONE));
+        resolveInfos.add(createResolveInfo(PACKAGE_TWO));
+        when(mPackageManager.queryIntentActivitiesAsUser(any(Intent.class), anyInt(), anyInt()))
+            .thenReturn(resolveInfos);
+        when(mPackageManager.getApplicationInfoAsUser(eq(PACKAGE_ONE), anyInt(), anyInt()))
+            .thenReturn(createApplicationInfo(PACKAGE_ONE));
+        when(mPackageManager.getApplicationInfoAsUser(eq(PACKAGE_TWO), anyInt(), anyInt()))
+            .thenReturn(createApplicationInfo(PACKAGE_TWO));
+
+        final List<DefaultAppInfo> defaultBrowserInfo = mPicker.getCandidates();
+
+        assertThat(defaultBrowserInfo.size()).isEqualTo(2);
+    }
+
+    private ResolveInfo createResolveInfo(String packageName) {
+        final ResolveInfo info = new ResolveInfo();
+        info.handleAllWebDataURI = true;
+        info.activityInfo = new ActivityInfo();
+        info.activityInfo.packageName = packageName;
+        return info;
+    }
+
+    private ApplicationInfo createApplicationInfo(String packageName) {
+        final ApplicationInfo info = new ApplicationInfo();
+        info.packageName = packageName;
+        return info;
+    }
 }