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Commit 13088cac authored by Svetoslav Ganov's avatar Svetoslav Ganov Committed by Marie Janssen
Browse files

Add Bluetooth toggle prompts - settings 

If permission review is enabled toggling bluetoth on or off
results in a user prompt to collect consent. This applies
only to legacy apps, i.e. ones that don't support runtime
permissions as they target SDK 22.

bug:28715749

Change-Id: I5ae0c532c92b2c05a91f0d769ca6744002747fca
(cherry picked from commit b06766f1)
parent 363c529d

AndroidManifest.xml

+2 −1
Original line number Diff line number Diff line
@@ -2025,10 +2025,11 @@ 
                  android:label="@string/bluetooth_permission_request"

                  android:excludeFromRecents="true"

                  android:permission="android.permission.BLUETOOTH"

                  android:theme="@*android:style/Theme.Material.Light.Dialog.Alert">

                  android:theme="@style/BluetoothPermission">

            <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>

res/values/strings.xml

+3 −0
Original line number Diff line number Diff line
@@ -263,6 +263,9 @@ 
    <!-- 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 -->
































res/values/themes.xml



+4
−0






























Original line number
Diff line number
Diff line







@@ -314,4 +314,8 @@







        <item name="android:navigationBarColor">#00000000</item>









    </style>



















    <style name="BluetoothPermission" parent="@android:style/Theme.Material.Light.Dialog.Alert">









        <item name="android:windowNoTitle">true</item>









    </style>



















</resources>
























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



+169
−115






























Original line number
Diff line number
Diff line







@@ -42,61 +42,32 @@ public class RequestPermissionActivity extends Activity implements







    // 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



















    // 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;









    static final int REQUEST_ENABLE = 1;









    static final int REQUEST_ENABLE_DISCOVERABLE = 2;









    static final int REQUEST_DISABLE = 3;



















    private LocalBluetoothAdapter mLocalAdapter;



















    private int mTimeout = BluetoothDiscoverableEnabler.DEFAULT_DISCOVERABLE_TIMEOUT;



















    /*









     * 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 int mRequest;



















    private AlertDialog mDialog;



















    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();









                    }









                }









            }









        }









    };









    private BroadcastReceiver mReceiver;



















    @Override









    protected void onCreate(Bundle savedInstanceState) {









        super.onCreate(savedInstanceState);



















        setResult(Activity.RESULT_CANCELED);



















        // Note: initializes mLocalAdapter and returns true on error









        if (parseIntent()) {









            finish();








@@ -105,10 +76,31 @@ public class RequestPermissionActivity extends Activity implements

















        int btState = mLocalAdapter.getState();



















        if (mRequest == REQUEST_DISABLE) {









            switch (btState) {









                case BluetoothAdapter.STATE_OFF:









                case BluetoothAdapter.STATE_TURNING_OFF: {









                    proceedAndFinish();









                } break;



















                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:









                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








@@ -122,51 +114,60 @@ public class RequestPermissionActivity extends Activity implements







                     * 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 intent = new Intent(this, RequestPermissionHelperActivity.class);









                    intent.setAction(RequestPermissionHelperActivity.ACTION_INTERNAL_REQUEST_BT_ON);









                } else {









                    intent.setAction(RequestPermissionHelperActivity.









                            ACTION_INTERNAL_REQUEST_BT_ON_AND_DISCOVERABLE);









                    if (mRequest == REQUEST_ENABLE_DISCOVERABLE) {









                        intent.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, mTimeout);









                    }









                startActivityForResult(intent, REQUEST_CODE_START_BT);









                mNeededToEnableBluetooth = true;









                break;









            case BluetoothAdapter.STATE_ON:









                if (mEnableOnly) {









                    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:









                } break;



















                default: {









                    Log.e(TAG, "Unknown adapter state: " + btState);









                    cancelAndFinish();









                } break;









            }









        }









    }



















    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);



















        if (mNeededToEnableBluetooth) {









            // RequestPermissionHelperActivity has gotten confirmation from user









            // to turn on BT









        // 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;









            }









            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);








@@ -174,37 +175,45 @@ public class RequestPermissionActivity extends Activity implements

















        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 (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();









        if (resultCode != Activity.RESULT_OK) {









            cancelAndFinish();









            return;









        }



















        // Back from RequestPermissionHelperActivity. User confirmed to enable









        // BT and discoverable mode.









        mUserConfirmed = true;



















        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;



















            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;









        }









    }



















    public void onClick(DialogInterface dialog, int which) {








@@ -223,8 +232,8 @@ public class RequestPermissionActivity extends Activity implements







    private void proceedAndFinish() {









        int returnCode;



















        if (mEnableOnly) {









            // BT enabled. Done









        if (mRequest == REQUEST_ENABLE || mRequest == REQUEST_DISABLE) {









            // BT toggled. Done









            returnCode = RESULT_OK;









        } else if (mLocalAdapter.setScanMode(









                BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE, mTimeout)) {








@@ -252,16 +261,26 @@ public class RequestPermissionActivity extends Activity implements







        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 && intent.getAction().equals(BluetoothAdapter.ACTION_REQUEST_ENABLE)) {









            mEnableOnly = true;









        } else if (intent != null









                && intent.getAction().equals(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE)) {









        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;









            mTimeout = intent.getIntExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION,









                    BluetoothDiscoverableEnabler.DEFAULT_DISCOVERABLE_TIMEOUT);


















@@ -292,8 +311,9 @@ public class RequestPermissionActivity extends Activity implements







    @Override









    protected void onDestroy() {









        super.onDestroy();









        if (mNeededToEnableBluetooth) {









        if (mReceiver != null) {









            unregisterReceiver(mReceiver);









            mReceiver = null;









        }









    }


















@@ -302,4 +322,38 @@ public class RequestPermissionActivity extends Activity implements







        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;









            }









        }









    }









}
























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



+62
−74






























Original line number
Diff line number
Diff line







@@ -16,6 +16,7 @@

















package com.android.settings.bluetooth;



















import android.app.Activity;









import android.bluetooth.BluetoothAdapter;









import android.content.DialogInterface;









import android.content.Intent;








@@ -24,13 +25,15 @@ import android.util.Log;

















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 enable discovery.









 * This is usually started by RequestPermissionActivity.









 * RequestPermissionHelperActivity asks the user whether to toggle Bluetooth.









 *









 * TODO: This activity isn't needed - this should be folded in RequestPermissionActivity









 */









public class RequestPermissionHelperActivity extends AlertActivity implements









        DialogInterface.OnClickListener {








@@ -39,91 +42,77 @@ public class RequestPermissionHelperActivity extends AlertActivity implements







    public static final String ACTION_INTERNAL_REQUEST_BT_ON =









            "com.android.settings.bluetooth.ACTION_INTERNAL_REQUEST_BT_ON";



















    public static final String ACTION_INTERNAL_REQUEST_BT_ON_AND_DISCOVERABLE =









        "com.android.settings.bluetooth.ACTION_INTERNAL_REQUEST_BT_ON_AND_DISCOVERABLE";









    public static final String ACTION_INTERNAL_REQUEST_BT_OFF =









            "com.android.settings.bluetooth.ACTION_INTERNAL_REQUEST_BT_OFF";



















    private LocalBluetoothAdapter mLocalAdapter;



















    private int mTimeout;









    private int mTimeout = -1;



















    // True if requesting BT to be turned on









    // False if requesting BT to be turned on + discoverable mode









    private boolean mEnableOnly;









    private int mRequest;



















    @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;









        }



















        createDialog();



















        if (getResources().getBoolean(R.bool.auto_confirm_bluetooth_activation_dialog) == true) {









            // dismiss dialog immediately if settings say so









        if (getResources().getBoolean(R.bool.auto_confirm_bluetooth_activation_dialog)) {









            // Don't even show the dialog if configured this way









            onClick(null, BUTTON_POSITIVE);









            dismiss();









        }



















        createDialog();









    }



















    void createDialog() {









        final AlertController.AlertParams p = mAlertParams;



















        if (mEnableOnly) {









        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 {









            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.mMessage = getString(









                            R.string.bluetooth_ask_enablement_and_discovery, mTimeout);









                }









            } break;



















            case RequestPermissionActivity.REQUEST_DISABLE: {









                p.mMessage = getString(R.string.bluetooth_ask_disablement);









            } break;









        }



















        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) {









        int returnCode;









        // FIXME: fix this ugly switch logic!









        switch (which) {









            case BUTTON_POSITIVE:









                int btState = 0;



















                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;









        switch (mRequest) {









            case RequestPermissionActivity.REQUEST_ENABLE:









            case RequestPermissionActivity.REQUEST_ENABLE_DISCOVERABLE: {









                mLocalAdapter.enable();









                setResult(Activity.RESULT_OK);









            } break;



















            case RequestPermissionActivity.REQUEST_DISABLE: {









                mLocalAdapter.disable();









                setResult(Activity.RESULT_OK);









            } break;









        }









                break;



















            case BUTTON_NEGATIVE:









                returnCode = RESULT_CANCELED;









                break;









            default:









                return;









        }









        setResult(returnCode);









    }



















    /**








@@ -132,33 +121,32 @@ public class RequestPermissionHelperActivity extends AlertActivity implements







     */









    private boolean parseIntent() {









        Intent intent = getIntent();









        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;









        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;









        } else {









            setResult(RESULT_CANCELED);









            return true;









            return false;









        }



















        LocalBluetoothManager manager = Utils.getLocalBtManager(this);









        if (manager == null) {









            Log.e(TAG, "Error: there's a problem starting Bluetooth");









            setResult(RESULT_CANCELED);









            return true;









        }









        mLocalAdapter = manager.getBluetoothAdapter();



















            return false;









        }



















    @Override









    public void onBackPressed() {









        setResult(RESULT_CANCELED);









        super.onBackPressed();









        mLocalAdapter = manager.getBluetoothAdapter();



















        return true;









    }









}