Bluetooth: Use string in remote device summary

* Use String in connected device summary instead of resource id
* This allows dynamic strings to be built by CachedBluetoothDevice
  such as ones involve battery level percentages

Bug: 35874078
Test: make, unit test, test with Bluetooth devices
Change-Id: I583eac73280ca17387b215a4e7095e27de399998

src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java

@@ -53,12 +53,11 @@ public class BluetoothDetailsHeaderController extends BluetoothDetailsController
     protected void setHeaderProperties() {
         Pair<Integer, String> pair = Utils.getBtClassDrawableWithDescription
                 (mContext.getResources(), mCachedDevice);
-        int summaryResourceId = mCachedDevice.getConnectionSummary();
+        String summaryText = mCachedDevice.getConnectionSummary();
         mHeaderController.setLabel(mCachedDevice.getName());
         mHeaderController.setIcon(mContext.getDrawable(pair.first));
         mHeaderController.setIconContentDescription(pair.second);
-        mHeaderController.setSummary(
-                summaryResourceId > 0 ? mContext.getString(summaryResourceId) : null);
+        mHeaderController.setSummary(summaryText);
     }
 
     @Override

src/com/android/settings/bluetooth/BluetoothDevicePreference.java

@@ -117,14 +117,8 @@ public final class BluetoothDevicePreference extends GearPreference implements
          * any preference info has changed from the previous value.
          */
         setTitle(mCachedDevice.getName());
-
-        int summaryResId = mCachedDevice.getConnectionSummary();
-        if (summaryResId != 0) {
-            setSummary(summaryResId);
-        } else {
-            setSummary(null);   // empty summary for unpaired devices
-        }
-
+        // Null check is done at the framework
+        setSummary(mCachedDevice.getConnectionSummary());
 
         Pair<Integer, String> pair = Utils.getBtClassDrawableWithDescription(mResources,
                 mCachedDevice);

tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsControllerTestBase.java

@@ -76,7 +76,7 @@ public class BluetoothDetailsControllerTestBase {
         private String address;
         private int majorDeviceClass;
         private boolean connected;
-        private int connectionSummary;
+        private String connectionSummary;
 
         public DeviceConfig setName(String newValue) {
             this.name = newValue;
@@ -97,8 +97,8 @@ public class BluetoothDetailsControllerTestBase {
             this.connected = newValue;
             return this;
         }
-        public DeviceConfig setConnectionSummary(int newValue) {
-            this.connectionSummary = newValue;
+        public DeviceConfig setConnectionSummary(String connectionSummary) {
+            this.connectionSummary = connectionSummary;
             return this;
         }
 
@@ -118,18 +118,18 @@ public class BluetoothDetailsControllerTestBase {
             return connected;
         }
 
-        public int getConnectionSummary() {
+        public String getConnectionSummary() {
             return connectionSummary;
         }
     }
 
-    protected static DeviceConfig makeDefaultDeviceConfig() {
+    protected DeviceConfig makeDefaultDeviceConfig() {
         return new DeviceConfig()
                 .setName("Mock Device")
                 .setAddress("B4:B0:34:B5:3B:1B")
                 .setMajorDeviceClass(BluetoothClass.Device.Major.AUDIO_VIDEO)
                 .setConnected(true)
-                .setConnectionSummary(R.string.bluetooth_connected);
+                .setConnectionSummary(mContext.getString(R.string.bluetooth_connected));
     }
 
     /**

tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsHeaderControllerTest.java

@@ -16,6 +16,8 @@
 
 package com.android.settings.bluetooth;
 
+import static com.google.common.truth.Truth.assertThat;
+
 import static org.mockito.Matchers.any;
 import static org.mockito.Mockito.inOrder;
 import static org.mockito.Mockito.spy;
@@ -23,7 +25,6 @@ import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 import android.graphics.drawable.Drawable;
-import android.support.v7.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.applications.LayoutPreference;
@@ -33,7 +34,6 @@ import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settings.testutils.shadow.SettingsShadowBluetoothDevice;
 import com.android.settings.testutils.shadow.ShadowEntityHeaderController;
 import com.android.settings.widget.EntityHeaderController;
-import com.android.settingslib.bluetooth.LocalBluetoothProfile;
 
 import org.junit.After;
 import org.junit.Test;
@@ -43,8 +43,6 @@ import org.mockito.InOrder;
 import org.mockito.Mock;
 import org.robolectric.annotation.Config;
 
-import java.util.ArrayList;
-
 @RunWith(SettingsRobolectricTestRunner.class)
 @Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION,
         shadows={SettingsShadowBluetoothDevice.class, ShadowEntityHeaderController.class})
@@ -73,6 +71,15 @@ public class BluetoothDetailsHeaderControllerTest extends BluetoothDetailsContro
         ShadowEntityHeaderController.reset();
     }
 
+    /**
+     * Test to verify the current test context object works so that we are not checking null
+     * against null
+     */
+    @Test
+    public void testContextMock() {
+        assertThat(mContext.getString(R.string.bluetooth_connected)).isEqualTo("Connected");
+    }
+
     @Test
     public void header() {
         showScreen(mController);
@@ -86,17 +93,19 @@ public class BluetoothDetailsHeaderControllerTest extends BluetoothDetailsContro
 
     @Test
     public void connectionStatusChangesWhileScreenOpen() {
-        ArrayList<LocalBluetoothProfile> profiles = new ArrayList<>();
         InOrder inOrder = inOrder(mHeaderController);
-        when(mCachedDevice.getConnectionSummary()).thenReturn(R.string.bluetooth_connected);
+        when(mCachedDevice.getConnectionSummary()).thenReturn(
+                mContext.getString(R.string.bluetooth_connected));
         showScreen(mController);
-        inOrder.verify(mHeaderController).setSummary(mContext.getString(R.string.bluetooth_connected));
+        inOrder.verify(mHeaderController).setSummary(
+                mContext.getString(R.string.bluetooth_connected));
 
-        when(mCachedDevice.getConnectionSummary()).thenReturn(0);
+        when(mCachedDevice.getConnectionSummary()).thenReturn(null);
         mController.onDeviceAttributesChanged();
         inOrder.verify(mHeaderController).setSummary((CharSequence) null);
 
-        when(mCachedDevice.getConnectionSummary()).thenReturn(R.string.bluetooth_connecting);
+        when(mCachedDevice.getConnectionSummary()).thenReturn(
+                mContext.getString(R.string.bluetooth_connecting));
         mController.onDeviceAttributesChanged();
         inOrder.verify(mHeaderController).setSummary(
                 mContext.getString(R.string.bluetooth_connecting));

tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsProfilesControllerTest.java

@@ -276,7 +276,7 @@ public class BluetoothDetailsProfilesControllerTest extends BluetoothDetailsCont
 
     @Test
     public void disconnectedDeviceOneProfile() {
-        setupDevice(makeDefaultDeviceConfig().setConnected(false).setConnectionSummary(0));
+        setupDevice(makeDefaultDeviceConfig().setConnected(false).setConnectionSummary(null));
         addFakeProfile(R.string.bluetooth_profile_a2dp, true);
         showScreen(mController);
         verifyProfileSwitchTitles(getProfileSwitches(true));