Update Battery preference for Instant Hotspot

- Use the static battery full icon

- Show charging status in Battery preference summary

Bug: 300559036
Test: manual test
atest -c WifiNetworkDetailsFragmentTest

Change-Id: I89e811ba0d1b715d4fff23c96bc094cd4270fef7

res/drawable/ic_battery_full.xml

@@ -0,0 +1,25 @@
+<!--
+    Copyright (C) 2023 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.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="960"
+        android:viewportHeight="960"
+        android:tint="?attr/colorControlNormal">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M320,880Q303,880 291.5,868.5Q280,857 280,840L280,200Q280,183 291.5,171.5Q303,160 320,160L400,160L400,80L560,80L560,160L640,160Q657,160 668.5,171.5Q680,183 680,200L680,840Q680,857 668.5,868.5Q657,880 640,880L320,880Z"/>
+</vector>

res/values/strings.xml

@@ -2119,6 +2119,8 @@
     <string name="internet_source_mobile_data">Mobile data</string>
     <!-- Ethernet summary in Internet source preference [CHAR LIMIT=NONE]-->
     <string name="internet_source_ethernet">Ethernet</string>
+    <!-- Hotspot device details battery charging summary [CHAR LIMIT=NONE]-->
+    <string name="hotspot_battery_charging_summary"><xliff:g id="battery_percentage" example="80%">%1$s</xliff:g> \u2011 Charging</string>
     <!-- Hotspot device details preference category title in Network details [CHAR LIMIT=NONE]-->
     <string name="hotspot_connection_category">Hotspot connection</string>
     <!-- Connection strength preference in Hotspot connection preference category [CHAR LIMIT=NONE]-->

res/xml/wifi_network_details_fragment2.xml

@@ -52,6 +52,7 @@
             settings:enableCopying="true"/>
         <Preference
             android:key="hotspot_device_details_battery"
+            android:icon="@drawable/ic_battery_full"
             android:title="@string/power_usage_summary_title"
             android:selectable="false"
             settings:enableCopying="true"/>

src/com/android/settings/wifi/details/WifiNetworkDetailsFragment.java

@@ -23,7 +23,6 @@ import android.app.Dialog;
 import android.app.admin.DevicePolicyManager;
 import android.app.settings.SettingsEnums;
 import android.content.Context;
-import android.graphics.ColorFilter;
 import android.graphics.drawable.Drawable;
 import android.net.ConnectivityManager;
 import android.net.wifi.WifiManager;
@@ -67,7 +66,6 @@ import com.android.settingslib.RestrictedLockUtils;
 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
 import com.android.settingslib.RestrictedLockUtilsInternal;
 import com.android.settingslib.core.AbstractPreferenceController;
-import com.android.settingslib.graph.ThemedBatteryDrawable;
 import com.android.wifitrackerlib.NetworkDetailsTracker;
 import com.android.wifitrackerlib.WifiEntry;
 
@@ -441,23 +439,8 @@ public class WifiNetworkDetailsFragment extends RestrictedDashboardFragment impl
     @VisibleForTesting
     void updateBattery(boolean isChanging, int percentage) {
         Preference battery = getPreferenceScreen().findPreference(KEY_HOTSPOT_DEVICE_BATTERY);
-        battery.setSummary(formatPercentage(percentage));
-        ThemedBatteryDrawable drawable = getBatteryDrawable();
-        if (drawable != null) {
-            drawable.setCharging(isChanging);
-            drawable.setBatteryLevel(percentage);
-        }
-        battery.setIcon(drawable);
-    }
-
-    @VisibleForTesting
-    ThemedBatteryDrawable getBatteryDrawable() {
-        int frameColor = getContext()
-                .getColor(com.android.settingslib.R.color.meter_background_color);
-        ThemedBatteryDrawable drawable = new ThemedBatteryDrawable(getContext(), frameColor);
-        ColorFilter colorFilter = Utils.getAlphaInvariantColorFilterForColor(
-                Utils.getColorAttrDefaultColor(getContext(), android.R.attr.colorControlNormal));
-        drawable.setColorFilter(colorFilter);
-        return drawable;
+        battery.setSummary((isChanging)
+                ? getString(R.string.hotspot_battery_charging_summary, formatPercentage(percentage))
+                : formatPercentage(percentage));
     }
 }

tests/robotests/src/com/android/settings/wifi/details/WifiNetworkDetailsFragmentTest.java

@@ -58,7 +58,6 @@ import com.android.settings.core.BasePreferenceController;
 import com.android.settings.wifi.WifiUtils;
 import com.android.settings.wifi.details2.WifiDetailPreferenceController2;
 import com.android.settingslib.core.AbstractPreferenceController;
-import com.android.settingslib.graph.ThemedBatteryDrawable;
 import com.android.wifitrackerlib.NetworkDetailsTracker;
 import com.android.wifitrackerlib.WifiEntry;
 
@@ -67,7 +66,6 @@ import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Answers;
-import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
 import org.mockito.Spy;
 import org.mockito.junit.MockitoJUnit;
@@ -112,8 +110,6 @@ public class WifiNetworkDetailsFragmentTest {
 
     FakeFragment mFragment;
     PreferenceScreen mScreen;
-    ArgumentCaptor<ThemedBatteryDrawable> mThemedBatteryDrawableCaptor =
-            ArgumentCaptor.forClass(ThemedBatteryDrawable.class);
 
     @Before
     public void setUp() {
@@ -290,25 +286,20 @@ public class WifiNetworkDetailsFragmentTest {
     }
 
     @Test
-    public void updateBattery_hiPercentageNoCharging_setResourceCorrect() {
+    public void updateBattery_hiPercentageNoCharging_setSummaryCorrect() {
         mFragment.updateBattery(false /* isChanging */, BATTERY_PERCENTAGE_MAX);
 
         verify(mBattery).setSummary(formatPercentage(BATTERY_PERCENTAGE_MAX));
-        verify(mBattery).setIcon(mThemedBatteryDrawableCaptor.capture());
-        ThemedBatteryDrawable drawable = mThemedBatteryDrawableCaptor.getValue();
-        assertThat(drawable.getCharging()).isFalse();
-        assertThat(drawable.getBatteryLevel()).isEqualTo(BATTERY_PERCENTAGE_MAX);
     }
 
     @Test
-    public void updateBattery_lowPercentageWithCharging_setResourceCorrect() {
+    public void updateBattery_lowPercentageWithCharging_setSummaryCorrect() {
+        String summary = mContext.getString(R.string.hotspot_battery_charging_summary,
+                formatPercentage(0));
+
         mFragment.updateBattery(true /* isChanging */, 0 /* percentage */);
 
-        verify(mBattery).setSummary(formatPercentage(0));
-        verify(mBattery).setIcon(mThemedBatteryDrawableCaptor.capture());
-        ThemedBatteryDrawable drawable = mThemedBatteryDrawableCaptor.getValue();
-        assertThat(drawable.getCharging()).isTrue();
-        assertThat(drawable.getBatteryLevel()).isEqualTo(0);
+        verify(mBattery).setSummary(summary);
     }
 
     // Fake WifiNetworkDetailsFragment to override the protected method as public.