Merge "Delete the estimated time in battery usage graph"

res/layout/battery_usage_graph.xml

@@ -18,6 +18,7 @@
     xmlns:settings="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    android:paddingTop="16dp"
     android:paddingStart="@dimen/preference_no_icon_padding_start"
     android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
     android:orientation="vertical">
@@ -26,22 +27,16 @@
         android:id="@+id/charge"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:layout_marginBottom="16dp"
         android:textAppearance="?android:attr/textAppearanceLarge"
         android:textSize="36sp"
         android:textColor="?android:attr/colorAccent" />
 
-    <TextView
-        android:id="@+id/estimation"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:paddingBottom="8dp"
-        android:textAppearance="?android:attr/textAppearanceMedium"
-        android:textColor="?android:attr/textColorSecondary" />
-
     <com.android.settingslib.graph.UsageView
         android:id="@+id/battery_usage"
         android:layout_width="match_parent"
         android:layout_height="141dp"
+        android:layout_marginBottom="16dp"
         settings:sideLabels="@array/battery_labels"
         android:colorAccent="?android:attr/colorAccent"
         android:gravity="end"

src/com/android/settings/fuelgauge/BatteryHistoryPreference.java

@@ -19,6 +19,7 @@ package com.android.settings.fuelgauge;
 import android.content.Context;
 import android.os.Bundle;
 import android.os.SystemClock;
+import android.support.annotation.VisibleForTesting;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
@@ -36,7 +37,8 @@ import com.android.settingslib.graph.UsageView;
  */
 public class BatteryHistoryPreference extends Preference {
 
-    private BatteryInfo mBatteryInfo;
+    @VisibleForTesting
+    BatteryInfo mBatteryInfo;
 
     public BatteryHistoryPreference(Context context, AttributeSet attrs) {
         super(context, attrs);
@@ -57,11 +59,8 @@ public class BatteryHistoryPreference extends Preference {
         if (mBatteryInfo == null) {
             return;
         }
-        view.setDividerAllowedAbove(true);
+
         ((TextView) view.findViewById(R.id.charge)).setText(mBatteryInfo.batteryPercentString);
-        ((TextView) view.findViewById(R.id.estimation)).setText(
-                mBatteryInfo.remainingLabel != null ?
-                        mBatteryInfo.remainingLabel : mBatteryInfo.statusLabel);
         UsageView usageView = (UsageView) view.findViewById(R.id.battery_usage);
         usageView.findViewById(R.id.label_group).setAlpha(.7f);
         mBatteryInfo.bindHistory(usageView);

tests/robotests/src/com/android/settings/fuelgauge/BatteryHistoryPreferenceTest.java

@@ -0,0 +1,90 @@
+/*
+ * 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.fuelgauge;
+
+import android.content.Context;
+import android.os.PowerManager;
+import android.support.v7.preference.PreferenceViewHolder;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.TextView;
+
+import com.android.settings.R;
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+import com.android.settingslib.BatteryInfo;
+import com.android.settingslib.graph.UsageView;
+
+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.annotation.Config;
+import org.robolectric.util.ReflectionHelpers;
+
+import static org.mockito.AdditionalMatchers.not;
+import static org.mockito.Matchers.anyInt;
+import static org.mockito.Matchers.anyString;
+import static org.mockito.Matchers.eq;
+
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class BatteryHistoryPreferenceTest {
+    @Mock
+    private PreferenceViewHolder mViewHolder;
+    @Mock
+    private BatteryInfo mBatteryInfo;
+    @Mock
+    private TextView mTextView;
+    @Mock
+    private View mItemView;
+    @Mock
+    private UsageView mUsageView;
+    @Mock
+    private View mLabelView;
+    private BatteryHistoryPreference mBatteryHistoryPreference;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        final Context context = RuntimeEnvironment.application;
+        final View itemView = LayoutInflater.from(context).inflate(R.layout.battery_usage_graph,
+                null);
+
+        mBatteryHistoryPreference = new BatteryHistoryPreference(context, null);
+        mBatteryHistoryPreference.mBatteryInfo = mBatteryInfo;
+        mViewHolder = spy(new PreferenceViewHolder(itemView));
+        when(mViewHolder.findViewById(R.id.battery_usage)).thenReturn(mUsageView);
+        when(mViewHolder.findViewById(R.id.charge)).thenReturn(mTextView);
+        when(mUsageView.findViewById(anyInt())).thenReturn(mLabelView);
+    }
+
+    @Test
+    public void testOnBindViewHolder_updateBatteryUsage() {
+        mBatteryHistoryPreference.onBindViewHolder(mViewHolder);
+
+        verify(mViewHolder).findViewById(R.id.battery_usage);
+        verify(mTextView).setText(anyString());
+        verify(mBatteryInfo).bindHistory(mUsageView);
+    }
+}