Merge "Fix settings crash when interact uninstalled app"

src/com/android/settings/applications/appinfo/AdvancedAppInfoPreferenceCategoryController.java

@@ -18,11 +18,31 @@ package com.android.settings.applications.appinfo;
 
 import android.content.Context;
 
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+
 import com.android.settings.widget.PreferenceCategoryController;
+import com.android.settingslib.applications.AppUtils;
+import com.android.settingslib.applications.ApplicationsState;
 
 public class AdvancedAppInfoPreferenceCategoryController extends PreferenceCategoryController {
 
+    private ApplicationsState.AppEntry mAppEntry;
+
     public AdvancedAppInfoPreferenceCategoryController(Context context, String key) {
         super(context, key);
     }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        Preference preference = screen.findPreference(getPreferenceKey());
+        if (preference != null && !AppUtils.isAppInstalled(mAppEntry)) {
+            preference.setEnabled(false);
+        }
+        super.displayPreference(screen);
+    }
+
+    public void setAppEntry(ApplicationsState.AppEntry appEntry) {
+        mAppEntry = appEntry;
+    }
 }

src/com/android/settings/applications/appinfo/AppInfoDashboardFragment.java

@@ -215,9 +215,11 @@ public class AppInfoDashboardFragment extends DashboardFragment
         alarmsAndReminders.setPackageName(packageName);
         alarmsAndReminders.setParentFragment(this);
 
-        use(AdvancedAppInfoPreferenceCategoryController.class).setChildren(Arrays.asList(
-                writeSystemSettings, drawOverlay, pip, externalSource, acrossProfiles,
-                alarmsAndReminders));
+        final AdvancedAppInfoPreferenceCategoryController advancedAppInfo =
+                use(AdvancedAppInfoPreferenceCategoryController.class);
+        advancedAppInfo.setChildren(Arrays.asList(writeSystemSettings, drawOverlay, pip,
+                externalSource, acrossProfiles, alarmsAndReminders));
+        advancedAppInfo.setAppEntry(mAppEntry);
 
         final AppLocalePreferenceController appLocale =
                 use(AppLocalePreferenceController.class);

tests/robotests/src/com/android/settings/applications/appinfo/AdvancedAppInfoPreferenceCategoryControllerTest.java

@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications.appinfo;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+
+import com.android.settingslib.applications.ApplicationsState;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(RobolectricTestRunner.class)
+public class AdvancedAppInfoPreferenceCategoryControllerTest {
+
+    @Mock
+    private PreferenceScreen mPreferenceScreen;
+
+    private Preference mPreference;
+
+    private AdvancedAppInfoPreferenceCategoryController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        Context context = spy(RuntimeEnvironment.application);
+        String preferenceKey = "preference_key";
+        mPreference = spy(new Preference(context));
+        mController = spy(new AdvancedAppInfoPreferenceCategoryController(context, preferenceKey));
+        when(mPreferenceScreen.findPreference(preferenceKey)).thenReturn(mPreference);
+    }
+
+    @Test
+    public void displayPreference_shouldNotBeEnabledWhenAppIsUninstalledForUser() {
+        final ApplicationInfo info = new ApplicationInfo();
+        info.flags = 0;
+        final ApplicationsState.AppEntry appEntry = mock(ApplicationsState.AppEntry.class);
+        appEntry.info = info;
+        mController.setAppEntry(appEntry);
+
+        mController.displayPreference(mPreferenceScreen);
+
+        assertThat(mPreference.isEnabled()).isFalse();
+    }
+}