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Commit 03ee2537 authored by Doris Ling's avatar Doris Ling
Browse files

Add summary text to Display->Brightness level. 

Get the current brightness level from settings provider and set it to
the brightness preference summary.

Change-Id: Ieb4fbc132ec120cf839548f64e9c5f5b52b2f9c2
Fix: 36650108
Test: make RunSettingsRoboTests
parent 9b271041

src/com/android/settings/DisplaySettings.java

+2 −0
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ import com.android.settings.core.lifecycle.Lifecycle; 
import com.android.settings.dashboard.DashboardFragment;

import com.android.settings.display.AutoBrightnessPreferenceController;

import com.android.settings.display.AutoRotatePreferenceController;

import com.android.settings.display.BrightnessLevelPreferenceController;

import com.android.settings.display.CameraGesturePreferenceController;

import com.android.settings.display.DozePreferenceController;

import com.android.settings.display.FontSizePreferenceController;
@@ -103,6 +104,7 @@ public class DisplaySettings extends DashboardFragment { 
        controllers.add(new VrDisplayPreferenceController(context));

        controllers.add(new WallpaperPreferenceController(context));

        controllers.add(new ThemePreferenceController(context));

        controllers.add(new BrightnessLevelPreferenceController(context));

        return controllers;

    }

src/com/android/settings/display/BrightnessLevelPreferenceController.java

0 → 100644
+49 −0
Original line number Diff line number Diff line 
/*

 * 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.display;



import static android.provider.Settings.System.SCREEN_BRIGHTNESS;



import android.content.Context;

import android.provider.Settings;

import android.support.v7.preference.Preference;

import com.android.settings.core.PreferenceController;

import java.text.NumberFormat;



public class BrightnessLevelPreferenceController extends PreferenceController {



    private static final String KEY_BRIGHTNESS = "brightness";



    public BrightnessLevelPreferenceController(Context context) {

        super(context);

    }



    @Override

    public boolean isAvailable() {

        return true;

    }



    @Override

    public String getPreferenceKey() {

        return KEY_BRIGHTNESS;

    }



    @Override

    public void updateState(Preference preference) {

        final double brightness = Settings.System.getInt(mContext.getContentResolver(),

            SCREEN_BRIGHTNESS, 0);

        preference.setSummary(NumberFormat.getPercentInstance().format(brightness / 255));

    }



}

tests/robotests/src/com/android/settings/display/BrightnessLevelPreferenceControllerTest.java

0 → 100644
+76 −0
Original line number Diff line number Diff line 
/*

 * 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.display;



import static android.provider.Settings.System.SCREEN_BRIGHTNESS;

import static com.google.common.truth.Truth.assertThat;

import static org.mockito.Mockito.verify;

import static org.mockito.Mockito.when;



import android.content.ContentResolver;

import android.content.Context;

import android.provider.Settings;

import android.support.v7.preference.Preference;



import com.android.settings.SettingsRobolectricTestRunner;

import com.android.settings.TestConfig;

import com.android.settings.testutils.shadow.SettingsShadowSystemProperties;



import java.text.NumberFormat;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.mockito.Mock;

import org.mockito.MockitoAnnotations;

import org.robolectric.annotation.Config;



@RunWith(SettingsRobolectricTestRunner.class)

@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)

public class BrightnessLevelPreferenceControllerTest {

    @Mock

    private Context mContext;

    @Mock

    private ContentResolver mContentResolver;

    @Mock

    private Preference mPreference;



    private BrightnessLevelPreferenceController mController;



    @Before

    public void setUp() {

        MockitoAnnotations.initMocks(this);



        mController = new BrightnessLevelPreferenceController(mContext);

    }



    @Test

    public void isAvailable_shouldAlwaysReturnTrue() {

        assertThat(mController.isAvailable()).isTrue();

    }



    @Test

    public void updateState_shouldSetSummary() {

        final NumberFormat formatter = NumberFormat.getPercentInstance();

        when(mContext.getContentResolver()).thenReturn(mContentResolver);

        Settings.System.putInt(mContentResolver, SCREEN_BRIGHTNESS, 45);



        mController.updateState(mPreference);



        verify(mPreference).setSummary(formatter.format(45.0 / 255));

    }



}