Remove DevelopmentTileConfigActivity and clean up fragment.

- The tile activity is internal to Settings and nobody should launch it
  externally, thus it doesn't need to have its own activity. Preference
  framework can launch the fragment as a SubSetting

Fixes: 67603649
Test: robotests
Change-Id: I9ba2fc55eb7f571f816ec045567f2dd2714c44e8
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 8411d31..d52b0ce 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -3181,7 +3181,7 @@
 
         <!-- Quick Settings tiles for Developer Options -->
         <service
-            android:name=".qstile.DevelopmentTiles$ShowLayout"
+            android:name=".development.qstile.DevelopmentTiles$ShowLayout"
             android:label="@string/debug_layout"
             android:icon="@drawable/tile_icon_show_layout"
             android:permission="android.permission.BIND_QUICK_SETTINGS_TILE"
@@ -3191,7 +3191,7 @@
             </intent-filter>
         </service>
         <service
-            android:name=".qstile.DevelopmentTiles$GPUProfiling"
+            android:name=".development.qstile.DevelopmentTiles$GPUProfiling"
             android:label="@string/track_frame_time"
             android:icon="@drawable/tile_icon_graphics"
             android:permission="android.permission.BIND_QUICK_SETTINGS_TILE"
@@ -3201,7 +3201,7 @@
             </intent-filter>
         </service>
         <service
-            android:name=".qstile.DevelopmentTiles$ForceRTL"
+            android:name=".development.qstile.DevelopmentTiles$ForceRTL"
             android:label="@string/force_rtl_layout_all_locales"
             android:icon="@drawable/tile_icon_force_rtl"
             android:permission="android.permission.BIND_QUICK_SETTINGS_TILE"
@@ -3211,7 +3211,7 @@
             </intent-filter>
         </service>
         <service
-            android:name=".qstile.DevelopmentTiles$AnimationSpeed"
+            android:name=".development.qstile.DevelopmentTiles$AnimationSpeed"
             android:label="@string/window_animation_scale_title"
             android:icon="@drawable/tile_icon_animation_speed"
             android:permission="android.permission.BIND_QUICK_SETTINGS_TILE"
@@ -3220,11 +3220,6 @@
                 <action android:name="android.service.quicksettings.action.QS_TILE" />
             </intent-filter>
         </service>
-        <activity
-            android:name=".qstile.DevelopmentTileConfigActivity"
-            android:excludeFromRecents="true"
-            android:launchMode="singleInstance"
-            android:label="@string/quick_settings_developer_tiles" />
 
         <activity android:name=".HelpTrampoline"
             android:exported="true"
diff --git a/res/xml/development_prefs.xml b/res/xml/development_prefs.xml
index a49cfff..1da2a25 100644
--- a/res/xml/development_prefs.xml
+++ b/res/xml/development_prefs.xml
@@ -97,11 +97,8 @@
 
     <Preference
         android:key="quick_settings_tiles"
-        android:title="@string/quick_settings_developer_tiles">
-        <intent
-            android:targetPackage="com.android.settings"
-            android:targetClass="com.android.settings.qstile.DevelopmentTileConfigActivity" />
-    </Preference>
+        android:title="@string/quick_settings_developer_tiles"
+        android:fragment="com.android.settings.development.qstile.DevelopmentTileConfigFragment" />
 
     <PreferenceCategory android:key="debug_debugging_category"
             android:title="@string/debug_debugging_category">
diff --git a/src/com/android/settings/development/qstile/DevelopmentTileConfigFragment.java b/src/com/android/settings/development/qstile/DevelopmentTileConfigFragment.java
new file mode 100644
index 0000000..c822de0
--- /dev/null
+++ b/src/com/android/settings/development/qstile/DevelopmentTileConfigFragment.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2017 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.development.qstile;
+
+import android.content.Context;
+
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.R;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settingslib.core.AbstractPreferenceController;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class DevelopmentTileConfigFragment extends DashboardFragment {
+    private static final String TAG = "DevelopmentTileConfig";
+
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.placeholder_prefs;
+    }
+
+    @Override
+    protected List<AbstractPreferenceController> getPreferenceControllers(Context context) {
+        final List<AbstractPreferenceController> controllers = new ArrayList<>();
+        controllers.add(new DevelopmentTilePreferenceController(context));
+        return controllers;
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.DEVELOPMENT_QS_TILE_CONFIG;
+    }
+}
diff --git a/src/com/android/settings/development/qstile/DevelopmentTilePreferenceController.java b/src/com/android/settings/development/qstile/DevelopmentTilePreferenceController.java
new file mode 100644
index 0000000..083a719
--- /dev/null
+++ b/src/com/android/settings/development/qstile/DevelopmentTilePreferenceController.java
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2017 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.development.qstile;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.pm.ServiceInfo;
+import android.service.quicksettings.TileService;
+import android.support.v14.preference.SwitchPreference;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceScreen;
+
+import com.android.settingslib.core.AbstractPreferenceController;
+
+import java.util.List;
+
+public class DevelopmentTilePreferenceController extends AbstractPreferenceController {
+
+    private final OnChangeHandler mOnChangeHandler;
+    private final PackageManager mPackageManager;
+
+    public DevelopmentTilePreferenceController(Context context) {
+        super(context);
+        mOnChangeHandler = new OnChangeHandler(context);
+        mPackageManager = context.getPackageManager();
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return true;
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return null;
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        Context context = screen.getContext();
+        Intent intent = new Intent(TileService.ACTION_QS_TILE)
+                .setPackage(context.getPackageName());
+        final List<ResolveInfo> resolveInfos = mPackageManager.queryIntentServices(intent,
+                PackageManager.MATCH_DISABLED_COMPONENTS);
+        for (ResolveInfo info : resolveInfos) {
+            ServiceInfo sInfo = info.serviceInfo;
+            final int enabledSetting = mPackageManager.getComponentEnabledSetting(
+                    new ComponentName(sInfo.packageName, sInfo.name));
+            boolean checked = enabledSetting == PackageManager.COMPONENT_ENABLED_STATE_ENABLED
+                    || ((enabledSetting == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT)
+                    && sInfo.enabled);
+
+            SwitchPreference preference = new SwitchPreference(context);
+            preference.setTitle(sInfo.loadLabel(mPackageManager));
+            preference.setIcon(sInfo.icon);
+            preference.setKey(sInfo.name);
+            preference.setChecked(checked);
+            preference.setOnPreferenceChangeListener(mOnChangeHandler);
+            screen.addPreference(preference);
+        }
+    }
+
+    private static class OnChangeHandler implements Preference.OnPreferenceChangeListener {
+
+        private final Context mContext;
+        private final PackageManager mPackageManager;
+
+        public OnChangeHandler(Context context) {
+            mContext = context;
+            mPackageManager = context.getPackageManager();
+        }
+
+        @Override
+        public boolean onPreferenceChange(Preference preference, Object newValue) {
+            ComponentName cn = new ComponentName(
+                    mContext.getPackageName(), preference.getKey());
+            mPackageManager.setComponentEnabledSetting(cn, (Boolean) newValue
+                            ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED
+                            : PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
+                    PackageManager.DONT_KILL_APP);
+            return true;
+        }
+    }
+}
diff --git a/src/com/android/settings/qstile/DevelopmentTiles.java b/src/com/android/settings/development/qstile/DevelopmentTiles.java
similarity index 98%
rename from src/com/android/settings/qstile/DevelopmentTiles.java
rename to src/com/android/settings/development/qstile/DevelopmentTiles.java
index f05977b..bc3fcb5 100644
--- a/src/com/android/settings/qstile/DevelopmentTiles.java
+++ b/src/com/android/settings/development/qstile/DevelopmentTiles.java
@@ -14,7 +14,7 @@
  * the License.
  */
 
-package com.android.settings.qstile;
+package com.android.settings.development.qstile;
 
 import android.os.RemoteException;
 import android.os.SystemProperties;
diff --git a/src/com/android/settings/qstile/DevelopmentTileConfigActivity.java b/src/com/android/settings/qstile/DevelopmentTileConfigActivity.java
deleted file mode 100644
index 5968d7a..0000000
--- a/src/com/android/settings/qstile/DevelopmentTileConfigActivity.java
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * Copyright (C) 2016 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.qstile;
-
-import android.content.ComponentName;
-import android.content.Context;
-import android.content.Intent;
-import android.content.pm.PackageManager;
-import android.content.pm.ResolveInfo;
-import android.content.pm.ServiceInfo;
-import android.os.Bundle;
-import android.service.quicksettings.TileService;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-
-import com.android.settings.SettingsActivity;
-import com.android.settings.SettingsPreferenceFragment;
-import com.android.settings.core.instrumentation.Instrumentable;
-
-public class DevelopmentTileConfigActivity extends SettingsActivity {
-
-    @Override
-    public Intent getIntent() {
-        Intent modIntent = new Intent(super.getIntent())
-                .putExtra(EXTRA_SHOW_FRAGMENT, DevelopmentTileConfigFragment.class.getName())
-                .putExtra(EXTRA_HIDE_DRAWER, true);
-        return modIntent;
-    }
-
-    @Override
-    protected boolean isValidFragment(String fragmentName) {
-        return (DevelopmentTileConfigFragment.class.getName().equals(fragmentName));
-    }
-
-    public static class DevelopmentTileConfigFragment extends SettingsPreferenceFragment
-            implements Preference.OnPreferenceChangeListener {
-
-        @Override
-        public void onCreate(Bundle icicle) {
-            super.onCreate(icicle);
-
-            Context context = getPrefContext();
-            setPreferenceScreen(getPreferenceManager().createPreferenceScreen(context));
-            getPreferenceScreen().removeAll();
-
-            Intent intent = new Intent(TileService.ACTION_QS_TILE)
-                    .setPackage(context.getPackageName());
-            PackageManager pm = getPackageManager();
-            for (ResolveInfo info :
-                    pm.queryIntentServices(intent, PackageManager.MATCH_DISABLED_COMPONENTS)) {
-                ServiceInfo sInfo = info.serviceInfo;
-                int enabledSetting = pm.getComponentEnabledSetting(
-                        new ComponentName(sInfo.packageName, sInfo.name));
-                boolean checked = enabledSetting == PackageManager.COMPONENT_ENABLED_STATE_ENABLED
-                        || ((enabledSetting == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT)
-                        && sInfo.enabled);
-
-                SwitchPreference preference = new SwitchPreference(context);
-                preference.setTitle(sInfo.loadLabel(pm));
-                preference.setIcon(sInfo.icon);
-                preference.setKey(sInfo.name);
-                preference.setChecked(checked);
-                preference.setPersistent(false);
-                preference.setOnPreferenceChangeListener(this);
-                getPreferenceScreen().addPreference(preference);
-            }
-        }
-
-        @Override
-        public int getMetricsCategory() {
-            return Instrumentable.METRICS_CATEGORY_UNKNOWN;
-        }
-
-        @Override
-        public boolean onPreferenceChange(Preference preference, Object newValue) {
-            ComponentName cn = new ComponentName(
-                    getPrefContext().getPackageName(), preference.getKey());
-            getPackageManager().setComponentEnabledSetting(cn, (Boolean) newValue
-                            ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED
-                            : PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
-                    PackageManager.DONT_KILL_APP);
-            return true;
-        }
-    }
-}
\ No newline at end of file
diff --git a/tests/robotests/assets/grandfather_not_implementing_index_provider b/tests/robotests/assets/grandfather_not_implementing_index_provider
index 9b86ced..fda5c8a 100644
--- a/tests/robotests/assets/grandfather_not_implementing_index_provider
+++ b/tests/robotests/assets/grandfather_not_implementing_index_provider
@@ -5,6 +5,7 @@
 com.android.settings.fuelgauge.PowerUsageAnomalyDetails
 com.android.settings.fuelgauge.AdvancedPowerUsageDetail
 com.android.settings.development.featureflags.FeatureFlagsDashboard
+com.android.settings.development.qstile.DevelopmentTileConfigFragment
 com.android.settings.deviceinfo.StorageProfileFragment
 com.android.settings.wifi.details.WifiNetworkDetailsFragment
 com.android.settings.wifi.p2p.WifiP2pSettings
diff --git a/tests/robotests/assets/grandfather_not_implementing_indexable b/tests/robotests/assets/grandfather_not_implementing_indexable
index bbb4bb2..17c8133 100644
--- a/tests/robotests/assets/grandfather_not_implementing_indexable
+++ b/tests/robotests/assets/grandfather_not_implementing_indexable
@@ -72,7 +72,6 @@
 com.android.settings.notification.ZenModeSettings
 com.android.settings.accessibility.ToggleDaltonizerPreferenceFragment
 com.android.settings.localepicker.LocaleListEditor
-com.android.settings.qstile.DevelopmentTileConfigActivity$DevelopmentTileConfigFragment
 com.android.settings.applications.ExternalSourcesDetails
 com.android.settings.applications.PictureInPictureSettings
 com.android.settings.applications.PictureInPictureDetails
diff --git a/tests/robotests/src/com/android/settings/development/qstile/DevelopmentTilePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/qstile/DevelopmentTilePreferenceControllerTest.java
new file mode 100644
index 0000000..1cdff20
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/development/qstile/DevelopmentTilePreferenceControllerTest.java
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2017 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.development.qstile;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Matchers.any;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.pm.ServiceInfo;
+import android.service.quicksettings.TileService;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceScreen;
+
+import com.android.settings.R;
+import com.android.settings.TestConfig;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.Shadows;
+import org.robolectric.annotation.Config;
+import org.robolectric.shadows.ShadowPackageManager;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class DevelopmentTilePreferenceControllerTest {
+
+    @Mock
+    private PreferenceScreen mScreen;
+    private Context mContext;
+    private DevelopmentTilePreferenceController mController;
+    private ShadowPackageManager mShadowPackageManager;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = RuntimeEnvironment.application;
+        mShadowPackageManager = Shadows.shadowOf(mContext.getPackageManager());
+        when(mScreen.getContext()).thenReturn(mContext);
+
+        mController = new DevelopmentTilePreferenceController(mContext);
+        assertThat(mController.getPreferenceKey()).isNull();
+    }
+
+    @Test
+    public void isAlwaysAvailable() {
+        assertThat(mController.isAvailable()).isTrue();
+    }
+
+    @Test
+    public void display_hasTileService_shouldDisplay() {
+        final Intent tileProbe = new Intent(TileService.ACTION_QS_TILE)
+                .setPackage(mContext.getPackageName());
+        final ResolveInfo info = new ResolveInfo();
+        info.serviceInfo = new FakeServiceInfo();
+        info.serviceInfo.name = "abc";
+        info.serviceInfo.icon = R.drawable.ic_settings_24dp;
+        info.serviceInfo.packageName = mContext.getPackageName();
+        mShadowPackageManager.addResolveInfoForIntent(tileProbe, info);
+
+        mController.displayPreference(mScreen);
+
+        verify(mScreen).addPreference(any(Preference.class));
+    }
+
+    public static class FakeServiceInfo extends ServiceInfo {
+
+        public String loadLabel(PackageManager mgr) {
+            return "hi";
+        }
+    }
+
+}