Merge "Always include BAND_MODE=AUTOMATIC in the Radio Band Mode List"
am: c98ca3da26

Change-Id: Ic7b16572aab3a3d10ee06d1810ce0aa05a9e5b1d
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 3f8a9d1..d84235f 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -2070,11 +2070,10 @@
                   android:label="@string/bluetooth_permission_request"
                   android:excludeFromRecents="true"
                   android:permission="android.permission.BLUETOOTH"
-                  android:theme="@style/BluetoothPermission">
+                  android:theme="@*android:style/Theme.DeviceDefault.Light.Dialog.Alert">
             <intent-filter android:priority="1">
                 <action android:name="android.bluetooth.adapter.action.REQUEST_DISCOVERABLE" />
                 <action android:name="android.bluetooth.adapter.action.REQUEST_ENABLE" />
-                <action android:name="android.bluetooth.adapter.action.REQUEST_DISABLE" />
                 <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
         </activity>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 65818d7..66b24e9 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -269,9 +269,6 @@
     <!-- This string asks the user whether or not to allow an app to enable bluetooth. [CHAR LIMIT=100] -->
     <string name="bluetooth_ask_enablement">An app wants to turn Bluetooth ON for this device.</string>
 
-    <!-- This string asks the user whether or not to allow an app to disable bluetooth. [CHAR LIMIT=100] -->
-    <string name="bluetooth_ask_disablement">An app wants to turn Bluetooth OFF for this device.</string>
-
     <!-- Strings for asking to the user whether to allow an app to enable discovery mode -->
     <string name="bluetooth_ask_discovery" product="tablet">An app wants to make your tablet visible to other Bluetooth devices for <xliff:g id="timeout">%1$d</xliff:g> seconds.</string>
     <!-- Strings for asking to the user whether to allow an app to enable discovery mode -->
diff --git a/res/values/themes.xml b/res/values/themes.xml
index ea18a0b..0009bed 100644
--- a/res/values/themes.xml
+++ b/res/values/themes.xml
@@ -306,9 +306,4 @@
     <style name="FallbackHomeProgressBar" parent="FallbackHome">
         <item name="android:colorControlActivated">?android:attr/textColorPrimary</item>
     </style>
-
-    <style name="BluetoothPermission" parent="@android:style/Theme.Material.Light.Dialog.Alert">
-        <item name="android:windowNoTitle">true</item>
-    </style>
-
 </resources>
diff --git a/src/com/android/settings/bluetooth/RequestPermissionActivity.java b/src/com/android/settings/bluetooth/RequestPermissionActivity.java
index 9cfcc6b..3148aed 100644
--- a/src/com/android/settings/bluetooth/RequestPermissionActivity.java
+++ b/src/com/android/settings/bluetooth/RequestPermissionActivity.java
@@ -42,32 +42,61 @@
     // Command line to test this
     // adb shell am start -a android.bluetooth.adapter.action.REQUEST_ENABLE
     // adb shell am start -a android.bluetooth.adapter.action.REQUEST_DISCOVERABLE
-    // adb shell am start -a android.bluetooth.adapter.action.REQUEST_DISABLE
 
     private static final String TAG = "RequestPermissionActivity";
 
     private static final int MAX_DISCOVERABLE_TIMEOUT = 3600; // 1 hr
 
-    static final int REQUEST_ENABLE = 1;
-    static final int REQUEST_ENABLE_DISCOVERABLE = 2;
-    static final int REQUEST_DISABLE = 3;
+    // Non-error return code: BT is starting or has started successfully. Used
+    // by this Activity and RequestPermissionHelperActivity
+    /* package */ static final int RESULT_BT_STARTING_OR_STARTED = -1000;
+
+    private static final int REQUEST_CODE_START_BT = 1;
 
     private LocalBluetoothAdapter mLocalAdapter;
 
     private int mTimeout = BluetoothDiscoverableEnabler.DEFAULT_DISCOVERABLE_TIMEOUT;
 
-    private int mRequest;
+    /*
+     * True if bluetooth wasn't enabled and RequestPermissionHelperActivity was
+     * started to ask the user and start bt.
+     *
+     * If/when that activity returns successfully, display please wait msg then
+     * go away when bt has started and discovery mode has been enabled.
+     */
+    private boolean mNeededToEnableBluetooth;
+
+    // True if requesting BT to be turned on
+    // False if requesting BT to be turned on + discoverable mode
+    private boolean mEnableOnly;
+
+    private boolean mUserConfirmed;
 
     private AlertDialog mDialog;
 
-    private BroadcastReceiver mReceiver;
+    private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
+
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            if (intent == null) {
+                return;
+            }
+            if (mNeededToEnableBluetooth
+                    && BluetoothAdapter.ACTION_STATE_CHANGED.equals(intent.getAction())) {
+                int state = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, BluetoothDevice.ERROR);
+                if (state == BluetoothAdapter.STATE_ON) {
+                    if (mUserConfirmed) {
+                        proceedAndFinish();
+                    }
+                }
+            }
+        }
+    };
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        setResult(Activity.RESULT_CANCELED);
-
         // Note: initializes mLocalAdapter and returns true on error
         if (parseIntent()) {
             finish();
@@ -76,98 +105,68 @@
 
         int btState = mLocalAdapter.getState();
 
-        if (mRequest == REQUEST_DISABLE) {
-            switch (btState) {
-                case BluetoothAdapter.STATE_OFF:
-                case BluetoothAdapter.STATE_TURNING_OFF: {
-                    proceedAndFinish();
-                } break;
+        switch (btState) {
+            case BluetoothAdapter.STATE_OFF:
+            case BluetoothAdapter.STATE_TURNING_OFF:
+            case BluetoothAdapter.STATE_TURNING_ON:
+                /*
+                 * Strictly speaking STATE_TURNING_ON belong with STATE_ON;
+                 * however, BT may not be ready when the user clicks yes and we
+                 * would fail to turn on discovery mode. By kicking this to the
+                 * RequestPermissionHelperActivity, this class will handle that
+                 * case via the broadcast receiver.
+                 */
 
-                case BluetoothAdapter.STATE_ON:
-                case BluetoothAdapter.STATE_TURNING_ON: {
-                    Intent intent = new Intent(this, RequestPermissionHelperActivity.class);
-                    intent.setAction(RequestPermissionHelperActivity
-                                .ACTION_INTERNAL_REQUEST_BT_OFF);
-                    startActivityForResult(intent, 0);
-                } break;
-
-                default: {
-                    Log.e(TAG, "Unknown adapter state: " + btState);
-                    cancelAndFinish();
-                } break;
-            }
-        } else {
-            switch (btState) {
-                case BluetoothAdapter.STATE_OFF:
-                case BluetoothAdapter.STATE_TURNING_OFF:
-                case BluetoothAdapter.STATE_TURNING_ON: {
-                    /*
-                     * Strictly speaking STATE_TURNING_ON belong with STATE_ON;
-                     * however, BT may not be ready when the user clicks yes and we
-                     * would fail to turn on discovery mode. By kicking this to the
-                     * RequestPermissionHelperActivity, this class will handle that
-                     * case via the broadcast receiver.
-                     */
-
-                    /*
-                     * Start the helper activity to:
-                     * 1) ask the user about enabling bt AND discovery
-                     * 2) enable BT upon confirmation
-                     */
-                    Intent intent = new Intent(this, RequestPermissionHelperActivity.class);
+                /*
+                 * Start the helper activity to:
+                 * 1) ask the user about enabling bt AND discovery
+                 * 2) enable BT upon confirmation
+                 */
+                registerReceiver(mReceiver,
+                        new IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED));
+                Intent intent = new Intent();
+                intent.setClass(this, RequestPermissionHelperActivity.class);
+                if (mEnableOnly) {
                     intent.setAction(RequestPermissionHelperActivity.ACTION_INTERNAL_REQUEST_BT_ON);
-                    if (mRequest == REQUEST_ENABLE_DISCOVERABLE) {
-                        intent.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, mTimeout);
-                    }
-                    startActivityForResult(intent, 0);
-                } break;
-
-                case BluetoothAdapter.STATE_ON: {
-                    if (mRequest == REQUEST_ENABLE) {
-                        // Nothing to do. Already enabled.
-                        proceedAndFinish();
-                    } else {
-                        // Ask the user about enabling discovery mode
-                        createDialog();
-                    }
-                } break;
-
-                default: {
-                    Log.e(TAG, "Unknown adapter state: " + btState);
-                    cancelAndFinish();
-                } break;
-            }
+                } else {
+                    intent.setAction(RequestPermissionHelperActivity.
+                            ACTION_INTERNAL_REQUEST_BT_ON_AND_DISCOVERABLE);
+                    intent.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, mTimeout);
+                }
+                startActivityForResult(intent, REQUEST_CODE_START_BT);
+                mNeededToEnableBluetooth = true;
+                break;
+            case BluetoothAdapter.STATE_ON:
+                if (mEnableOnly) {
+                    // Nothing to do. Already enabled.
+                    proceedAndFinish();
+                } else {
+                    // Ask the user about enabling discovery mode
+                    createDialog();
+                }
+                break;
+            default:
+                Log.e(TAG, "Unknown adapter state: " + btState);
         }
     }
 
     private void createDialog() {
-        if (getResources().getBoolean(R.bool.auto_confirm_bluetooth_activation_dialog)) {
-            onClick(null, DialogInterface.BUTTON_POSITIVE);
-            return;
-        }
-
         AlertDialog.Builder builder = new AlertDialog.Builder(this);
 
-        // Non-null receiver means we are toggling
-        if (mReceiver != null) {
-            switch (mRequest) {
-                case REQUEST_ENABLE:
-                case REQUEST_ENABLE_DISCOVERABLE: {
-                    builder.setMessage(getString(R.string.bluetooth_turning_on));
-                } break;
-
-                default: {
-                    builder.setMessage(getString(R.string.bluetooth_turning_off));
-                } break;
-            }
+        if (mNeededToEnableBluetooth) {
+            // RequestPermissionHelperActivity has gotten confirmation from user
+            // to turn on BT
+            builder.setMessage(getString(R.string.bluetooth_turning_on));
             builder.setCancelable(false);
         } else {
             // Ask the user whether to turn on discovery mode or not
             // For lasting discoverable mode there is a different message
             if (mTimeout == BluetoothDiscoverableEnabler.DISCOVERABLE_TIMEOUT_NEVER) {
-                builder.setMessage(getString(R.string.bluetooth_ask_lasting_discovery));
+                builder.setMessage(
+                        getString(R.string.bluetooth_ask_lasting_discovery));
             } else {
-                builder.setMessage(getString(R.string.bluetooth_ask_discovery, mTimeout));
+                builder.setMessage(
+                        getString(R.string.bluetooth_ask_discovery, mTimeout));
             }
             builder.setPositiveButton(getString(R.string.allow), this);
             builder.setNegativeButton(getString(R.string.deny), this);
@@ -175,44 +174,36 @@
 
         mDialog = builder.create();
         mDialog.show();
+
+        if (getResources().getBoolean(R.bool.auto_confirm_bluetooth_activation_dialog) == true) {
+            // dismiss dialog immediately if settings say so
+            onClick(null, DialogInterface.BUTTON_POSITIVE);
+        }
     }
 
     @Override
     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
-        if (resultCode != Activity.RESULT_OK) {
-            cancelAndFinish();
+        if (requestCode != REQUEST_CODE_START_BT) {
+            Log.e(TAG, "Unexpected onActivityResult " + requestCode + ' ' + resultCode);
+            setResult(RESULT_CANCELED);
+            finish();
+            return;
+        }
+        if (resultCode != RESULT_BT_STARTING_OR_STARTED) {
+            setResult(resultCode);
+            finish();
             return;
         }
 
-        switch (mRequest) {
-            case REQUEST_ENABLE:
-            case REQUEST_ENABLE_DISCOVERABLE: {
-                if (mLocalAdapter.getBluetoothState() == BluetoothAdapter.STATE_ON) {
-                    proceedAndFinish();
-                } else {
-                    // If BT is not up yet, show "Turning on Bluetooth..."
-                    mReceiver = new StateChangeReceiver();
-                    registerReceiver(mReceiver, new IntentFilter(
-                            BluetoothAdapter.ACTION_STATE_CHANGED));
-                    createDialog();
-                }
-            } break;
+        // Back from RequestPermissionHelperActivity. User confirmed to enable
+        // BT and discoverable mode.
+        mUserConfirmed = true;
 
-            case REQUEST_DISABLE: {
-                if (mLocalAdapter.getBluetoothState() == BluetoothAdapter.STATE_OFF) {
-                    proceedAndFinish();
-                } else {
-                    // If BT is not up yet, show "Turning off Bluetooth..."
-                    mReceiver = new StateChangeReceiver();
-                    registerReceiver(mReceiver, new IntentFilter(
-                            BluetoothAdapter.ACTION_STATE_CHANGED));
-                    createDialog();
-                }
-            } break;
-
-            default: {
-                cancelAndFinish();
-            } break;
+        if (mLocalAdapter.getBluetoothState() == BluetoothAdapter.STATE_ON) {
+            proceedAndFinish();
+        } else {
+            // If BT is not up yet, show "Turning on Bluetooth..."
+            createDialog();
         }
     }
 
@@ -232,8 +223,8 @@
     private void proceedAndFinish() {
         int returnCode;
 
-        if (mRequest == REQUEST_ENABLE || mRequest == REQUEST_DISABLE) {
-            // BT toggled. Done
+        if (mEnableOnly) {
+            // BT enabled. Done
             returnCode = RESULT_OK;
         } else if (mLocalAdapter.setScanMode(
                 BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE, mTimeout)) {
@@ -261,26 +252,16 @@
         finish();
     }
 
-    private void cancelAndFinish() {
-        setResult(Activity.RESULT_CANCELED);
-        finish();
-    }
-
     /**
      * Parse the received Intent and initialize mLocalBluetoothAdapter.
      * @return true if an error occurred; false otherwise
      */
     private boolean parseIntent() {
         Intent intent = getIntent();
-        if (intent == null) {
-            return true;
-        }
-        if (intent.getAction().equals(BluetoothAdapter.ACTION_REQUEST_ENABLE)) {
-            mRequest = REQUEST_ENABLE;
-        } else if (intent.getAction().equals(BluetoothAdapter.ACTION_REQUEST_DISABLE)) {
-            mRequest = REQUEST_DISABLE;
-        } else if (intent.getAction().equals(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE)) {
-            mRequest = REQUEST_ENABLE_DISCOVERABLE;
+        if (intent != null && intent.getAction().equals(BluetoothAdapter.ACTION_REQUEST_ENABLE)) {
+            mEnableOnly = true;
+        } else if (intent != null
+                && intent.getAction().equals(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE)) {
             mTimeout = intent.getIntExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION,
                     BluetoothDiscoverableEnabler.DEFAULT_DISCOVERABLE_TIMEOUT);
 
@@ -311,9 +292,8 @@
     @Override
     protected void onDestroy() {
         super.onDestroy();
-        if (mReceiver != null) {
+        if (mNeededToEnableBluetooth) {
             unregisterReceiver(mReceiver);
-            mReceiver = null;
         }
     }
 
@@ -322,38 +302,4 @@
         setResult(RESULT_CANCELED);
         super.onBackPressed();
     }
-
-    private final class StateChangeReceiver extends BroadcastReceiver {
-        private static final long TOGGLE_TIMEOUT_MILLIS = 10000; // 10 sec
-
-        public StateChangeReceiver() {
-            getWindow().getDecorView().postDelayed(() -> {
-                if (!isFinishing() && !isDestroyed()) {
-                    cancelAndFinish();
-                }
-            }, TOGGLE_TIMEOUT_MILLIS);
-        }
-
-        public void onReceive(Context context, Intent intent) {
-            if (intent == null) {
-                return;
-            }
-            final int currentState = intent.getIntExtra(
-                    BluetoothAdapter.EXTRA_STATE, BluetoothDevice.ERROR);
-            switch (mRequest) {
-                case REQUEST_ENABLE:
-                case REQUEST_ENABLE_DISCOVERABLE: {
-                    if (currentState == BluetoothAdapter.STATE_ON) {
-                        proceedAndFinish();
-                    }
-                } break;
-
-                case REQUEST_DISABLE: {
-                    if (currentState == BluetoothAdapter.STATE_OFF) {
-                        proceedAndFinish();
-                    }
-                } break;
-            }
-        }
-    }
 }
diff --git a/src/com/android/settings/bluetooth/RequestPermissionHelperActivity.java b/src/com/android/settings/bluetooth/RequestPermissionHelperActivity.java
index d70a63f..fafa284 100644
--- a/src/com/android/settings/bluetooth/RequestPermissionHelperActivity.java
+++ b/src/com/android/settings/bluetooth/RequestPermissionHelperActivity.java
@@ -16,7 +16,6 @@
 
 package com.android.settings.bluetooth;
 
-import android.app.Activity;
 import android.bluetooth.BluetoothAdapter;
 import android.content.DialogInterface;
 import android.content.Intent;
@@ -25,94 +24,106 @@
 
 import com.android.internal.app.AlertActivity;
 import com.android.internal.app.AlertController;
-import com.android.internal.util.ArrayUtils;
 import com.android.settings.R;
 import com.android.settingslib.bluetooth.LocalBluetoothAdapter;
 import com.android.settingslib.bluetooth.LocalBluetoothManager;
 
 /**
- * RequestPermissionHelperActivity asks the user whether to toggle Bluetooth.
- *
- * TODO: This activity isn't needed - this should be folded in RequestPermissionActivity
+ * RequestPermissionHelperActivity asks the user whether to enable discovery.
+ * This is usually started by RequestPermissionActivity.
  */
 public class RequestPermissionHelperActivity extends AlertActivity implements
         DialogInterface.OnClickListener {
     private static final String TAG = "RequestPermissionHelperActivity";
 
     public static final String ACTION_INTERNAL_REQUEST_BT_ON =
-            "com.android.settings.bluetooth.ACTION_INTERNAL_REQUEST_BT_ON";
+        "com.android.settings.bluetooth.ACTION_INTERNAL_REQUEST_BT_ON";
 
-    public static final String ACTION_INTERNAL_REQUEST_BT_OFF =
-            "com.android.settings.bluetooth.ACTION_INTERNAL_REQUEST_BT_OFF";
+    public static final String ACTION_INTERNAL_REQUEST_BT_ON_AND_DISCOVERABLE =
+        "com.android.settings.bluetooth.ACTION_INTERNAL_REQUEST_BT_ON_AND_DISCOVERABLE";
 
     private LocalBluetoothAdapter mLocalAdapter;
 
-    private int mTimeout = -1;
+    private int mTimeout;
 
-    private int mRequest;
+    // True if requesting BT to be turned on
+    // False if requesting BT to be turned on + discoverable mode
+    private boolean mEnableOnly;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        setResult(RESULT_CANCELED);
-
         // Note: initializes mLocalAdapter and returns true on error
-        if (!parseIntent()) {
+        if (parseIntent()) {
             finish();
             return;
         }
 
-        if (getResources().getBoolean(R.bool.auto_confirm_bluetooth_activation_dialog)) {
-            // Don't even show the dialog if configured this way
+        createDialog();
+
+        if (getResources().getBoolean(R.bool.auto_confirm_bluetooth_activation_dialog) == true) {
+            // dismiss dialog immediately if settings say so
             onClick(null, BUTTON_POSITIVE);
             dismiss();
         }
-
-        createDialog();
     }
 
     void createDialog() {
         final AlertController.AlertParams p = mAlertParams;
 
-        switch (mRequest) {
-            case RequestPermissionActivity.REQUEST_ENABLE: {
-                if (mTimeout < 0) {
-                    p.mMessage = getString(R.string.bluetooth_ask_enablement);
-                } else if (mTimeout == BluetoothDiscoverableEnabler.DISCOVERABLE_TIMEOUT_NEVER) {
-                    p.mMessage = getString(
-                            R.string.bluetooth_ask_enablement_and_lasting_discovery);
-                } else {
-                    p.mMessage = getString(
-                            R.string.bluetooth_ask_enablement_and_discovery, mTimeout);
-                }
-            } break;
-
-            case RequestPermissionActivity.REQUEST_DISABLE: {
-                p.mMessage = getString(R.string.bluetooth_ask_disablement);
-            } break;
+        if (mEnableOnly) {
+            p.mMessage = getString(R.string.bluetooth_ask_enablement);
+        } else {
+            if (mTimeout == BluetoothDiscoverableEnabler.DISCOVERABLE_TIMEOUT_NEVER) {
+                p.mMessage = getString(R.string.bluetooth_ask_enablement_and_lasting_discovery);
+            } else {
+                p.mMessage = getString(R.string.bluetooth_ask_enablement_and_discovery, mTimeout);
+            }
         }
 
         p.mPositiveButtonText = getString(R.string.allow);
         p.mPositiveButtonListener = this;
         p.mNegativeButtonText = getString(R.string.deny);
+        p.mNegativeButtonListener = this;
 
         setupAlert();
     }
 
     public void onClick(DialogInterface dialog, int which) {
-        switch (mRequest) {
-            case RequestPermissionActivity.REQUEST_ENABLE:
-            case RequestPermissionActivity.REQUEST_ENABLE_DISCOVERABLE: {
-                mLocalAdapter.enable();
-                setResult(Activity.RESULT_OK);
-            } break;
+        int returnCode;
+        // FIXME: fix this ugly switch logic!
+        switch (which) {
+            case BUTTON_POSITIVE:
+                int btState = 0;
 
-            case RequestPermissionActivity.REQUEST_DISABLE: {
-                mLocalAdapter.disable();
-                setResult(Activity.RESULT_OK);
-            } break;
+                try {
+                    // TODO There's a better way.
+                    int retryCount = 30;
+                    do {
+                        btState = mLocalAdapter.getBluetoothState();
+                        Thread.sleep(100);
+                    } while (btState == BluetoothAdapter.STATE_TURNING_OFF && --retryCount > 0);
+                } catch (InterruptedException ignored) {
+                    // don't care
+                }
+
+                if (btState == BluetoothAdapter.STATE_TURNING_ON
+                        || btState == BluetoothAdapter.STATE_ON
+                        || mLocalAdapter.enable()) {
+                    returnCode = RequestPermissionActivity.RESULT_BT_STARTING_OR_STARTED;
+                } else {
+                    returnCode = RESULT_CANCELED;
+                }
+                break;
+
+            case BUTTON_NEGATIVE:
+                returnCode = RESULT_CANCELED;
+                break;
+            default:
+                return;
         }
+        setResult(returnCode);
     }
 
     /**
@@ -121,32 +132,33 @@
      */
     private boolean parseIntent() {
         Intent intent = getIntent();
-        if (intent == null) {
-            return false;
-        }
-
-        String action = intent.getAction();
-        if (ACTION_INTERNAL_REQUEST_BT_ON.equals(action)) {
-            mRequest = RequestPermissionActivity.REQUEST_ENABLE;
-            if (intent.hasExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION)) {
-                // Value used for display purposes. Not range checking.
-                mTimeout = intent.getIntExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION,
-                        BluetoothDiscoverableEnabler.DEFAULT_DISCOVERABLE_TIMEOUT);
-            }
-        } else if (ACTION_INTERNAL_REQUEST_BT_OFF.equals(action)) {
-            mRequest = RequestPermissionActivity.REQUEST_DISABLE;
+        if (intent != null && intent.getAction().equals(ACTION_INTERNAL_REQUEST_BT_ON)) {
+            mEnableOnly = true;
+        } else if (intent != null
+                && intent.getAction().equals(ACTION_INTERNAL_REQUEST_BT_ON_AND_DISCOVERABLE)) {
+            mEnableOnly = false;
+            // Value used for display purposes. Not range checking.
+            mTimeout = intent.getIntExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION,
+                    BluetoothDiscoverableEnabler.DEFAULT_DISCOVERABLE_TIMEOUT);
         } else {
-            return false;
+            setResult(RESULT_CANCELED);
+            return true;
         }
 
         LocalBluetoothManager manager = Utils.getLocalBtManager(this);
         if (manager == null) {
             Log.e(TAG, "Error: there's a problem starting Bluetooth");
-            return false;
+            setResult(RESULT_CANCELED);
+            return true;
         }
-
         mLocalAdapter = manager.getBluetoothAdapter();
 
-        return true;
+        return false;
+    }
+
+    @Override
+    public void onBackPressed() {
+        setResult(RESULT_CANCELED);
+        super.onBackPressed();
     }
 }