Java Code Examples for android.view.KeyEvent#FLAG_FROM_SYSTEM

public void handleMessage(Message m) {
    switch (m.what) {
        case MSG_INJECT_KEY:
            final long eventTime = SystemClock.uptimeMillis();
            final InputManager inputManager = (InputManager)
                    XposedHelpers.callStaticMethod(InputManager.class, "getInstance");

            int flags = KeyEvent.FLAG_FROM_SYSTEM;
            XposedHelpers.callMethod(inputManager, "injectInputEvent",
                    new KeyEvent(eventTime - 50, eventTime - 50, KeyEvent.ACTION_DOWN, m.arg1, 0,
                            0, KeyCharacterMap.VIRTUAL_KEYBOARD, 0, flags, InputDevice.SOURCE_UNKNOWN), 0);
            XposedHelpers.callMethod(inputManager, "injectInputEvent",
                    new KeyEvent(eventTime - 50, eventTime - 25, KeyEvent.ACTION_UP, m.arg1, 0,
                            0, KeyCharacterMap.VIRTUAL_KEYBOARD, 0, flags, InputDevice.SOURCE_UNKNOWN), 0);

            break;
    }
}
 

/**
 * Send a key event to the currently focused window/view and wait for it to
 * be processed.  Finished at some point after the recipient has returned
 * from its event processing, though it may <em>not</em> have completely
 * finished reacting from the event -- for example, if it needs to update
 * its display as a result, it may still be in the process of doing that.
 * 
 * @param event The event to send to the current focus.
 */
public void sendKeySync(KeyEvent event) {
    validateNotAppThread();

    long downTime = event.getDownTime();
    long eventTime = event.getEventTime();
    int action = event.getAction();
    int code = event.getKeyCode();
    int repeatCount = event.getRepeatCount();
    int metaState = event.getMetaState();
    int deviceId = event.getDeviceId();
    int scancode = event.getScanCode();
    int source = event.getSource();
    int flags = event.getFlags();
    if (source == InputDevice.SOURCE_UNKNOWN) {
        source = InputDevice.SOURCE_KEYBOARD;
    }
    if (eventTime == 0) {
        eventTime = SystemClock.uptimeMillis();
    }
    if (downTime == 0) {
        downTime = eventTime;
    }
    KeyEvent newEvent = new KeyEvent(downTime, eventTime, action, code, repeatCount, metaState,
            deviceId, scancode, flags | KeyEvent.FLAG_FROM_SYSTEM, source);
    InputManager.getInstance().injectInputEvent(newEvent,
            InputManager.INJECT_INPUT_EVENT_MODE_WAIT_FOR_FINISH);
}
 

/**
 * Send a key event to the currently focused window/view and wait for it to
 * be processed.  Finished at some point after the recipient has returned
 * from its event processing, though it may <em>not</em> have completely
 * finished reacting from the event -- for example, if it needs to update
 * its display as a result, it may still be in the process of doing that.
 * 
 * @param event The event to send to the current focus.
 */
public void sendKeySync(KeyEvent event) {
    validateNotAppThread();

    long downTime = event.getDownTime();
    long eventTime = event.getEventTime();
    int action = event.getAction();
    int code = event.getKeyCode();
    int repeatCount = event.getRepeatCount();
    int metaState = event.getMetaState();
    int deviceId = event.getDeviceId();
    int scancode = event.getScanCode();
    int source = event.getSource();
    int flags = event.getFlags();
    if (source == InputDevice.SOURCE_UNKNOWN) {
        source = InputDevice.SOURCE_KEYBOARD;
    }
    if (eventTime == 0) {
        eventTime = SystemClock.uptimeMillis();
    }
    if (downTime == 0) {
        downTime = eventTime;
    }
    KeyEvent newEvent = new KeyEvent(downTime, eventTime, action, code, repeatCount, metaState,
            deviceId, scancode, flags | KeyEvent.FLAG_FROM_SYSTEM, source);
    InputManager.getInstance().injectInputEvent(newEvent,
            InputManager.INJECT_INPUT_EVENT_MODE_WAIT_FOR_FINISH);
}
 

/**
 * Send a key event to the currently focused window/view and wait for it to
 * be processed.  Finished at some point after the recipient has returned
 * from its event processing, though it may <em>not</em> have completely
 * finished reacting from the event -- for example, if it needs to update
 * its display as a result, it may still be in the process of doing that.
 * 
 * @param event The event to send to the current focus.
 */
public void sendKeySync(KeyEvent event) {
    validateNotAppThread();

    long downTime = event.getDownTime();
    long eventTime = event.getEventTime();
    int action = event.getAction();
    int code = event.getKeyCode();
    int repeatCount = event.getRepeatCount();
    int metaState = event.getMetaState();
    int deviceId = event.getDeviceId();
    int scancode = event.getScanCode();
    int source = event.getSource();
    int flags = event.getFlags();
    if (source == InputDevice.SOURCE_UNKNOWN) {
        source = InputDevice.SOURCE_KEYBOARD;
    }
    if (eventTime == 0) {
        eventTime = SystemClock.uptimeMillis();
    }
    if (downTime == 0) {
        downTime = eventTime;
    }
    KeyEvent newEvent = new KeyEvent(downTime, eventTime, action, code, repeatCount, metaState,
            deviceId, scancode, flags | KeyEvent.FLAG_FROM_SYSTEM, source);
    InputManager.getInstance().injectInputEvent(newEvent,
            InputManager.INJECT_INPUT_EVENT_MODE_WAIT_FOR_FINISH);
}
 

void sendEvent(int action, int flags, long when, boolean applyDefaultFlags) {
    try {
        final int repeatCount = (flags & KeyEvent.FLAG_LONG_PRESS) != 0 ? 1 : 0;
        if (applyDefaultFlags) {
            flags |= KeyEvent.FLAG_FROM_SYSTEM | KeyEvent.FLAG_VIRTUAL_HARD_KEY;
        }
        final KeyEvent ev = new KeyEvent(mDownTime, when, action, mCode, repeatCount,
                0, KeyCharacterMap.VIRTUAL_KEYBOARD, 0, flags,
                InputDevice.SOURCE_KEYBOARD);
        final Object inputManager = XposedHelpers.callStaticMethod(InputManager.class, "getInstance");
        XposedHelpers.callMethod(inputManager, "injectInputEvent", ev, 0);
    } catch (Throwable t) {
        XposedBridge.log(t);
    }
}
 

@Override
protected void beforeHookedMethod(MethodHookParam param) throws Throwable {
    if (!allowSkipTrack) return;

    final KeyEvent event = (KeyEvent) param.args[0];
    final int keyCode = event.getKeyCode();
    initManagers((Context) XposedHelpers.getObjectField(param.thisObject, "mContext"));
    if ((keyCode == KeyEvent.KEYCODE_VOLUME_DOWN ||
            keyCode == KeyEvent.KEYCODE_VOLUME_UP) &&
            (event.getFlags() & KeyEvent.FLAG_FROM_SYSTEM) != 0 &&
            !mPowerManager.isInteractive() &&
            mAudioManager != null && mAudioManager.isMusicActive()) {
        if (event.getAction() == KeyEvent.ACTION_DOWN) {
            mIsLongPress = false;
            handleVolumeLongPress(param.thisObject, keyCode);
        } else {
            handleVolumeLongPressAbort(param.thisObject);
            if (!mIsLongPress) {
                if (mShoudTriggerWakeUp) {
                    wakeUp();
                } else {
                    mAudioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC,
                        keyCode == KeyEvent.KEYCODE_VOLUME_UP ?
                        AudioManager.ADJUST_RAISE : AudioManager.ADJUST_LOWER, 0);
                }
            }
        }
        param.setResult(0);
        return;
    }
}
 

/**
 * Send a key event to the currently focused window/view and wait for it to
 * be processed.  Finished at some point after the recipient has returned
 * from its event processing, though it may <em>not</em> have completely
 * finished reacting from the event -- for example, if it needs to update
 * its display as a result, it may still be in the process of doing that.
 * 
 * @param event The event to send to the current focus.
 */
public void sendKeySync(KeyEvent event) {
    validateNotAppThread();

    long downTime = event.getDownTime();
    long eventTime = event.getEventTime();
    int action = event.getAction();
    int code = event.getKeyCode();
    int repeatCount = event.getRepeatCount();
    int metaState = event.getMetaState();
    int deviceId = event.getDeviceId();
    int scancode = event.getScanCode();
    int source = event.getSource();
    int flags = event.getFlags();
    if (source == InputDevice.SOURCE_UNKNOWN) {
        source = InputDevice.SOURCE_KEYBOARD;
    }
    if (eventTime == 0) {
        eventTime = SystemClock.uptimeMillis();
    }
    if (downTime == 0) {
        downTime = eventTime;
    }
    KeyEvent newEvent = new KeyEvent(downTime, eventTime, action, code, repeatCount, metaState,
            deviceId, scancode, flags | KeyEvent.FLAG_FROM_SYSTEM, source);
    InputManager.getInstance().injectInputEvent(newEvent,
            InputManager.INJECT_INPUT_EVENT_MODE_WAIT_FOR_FINISH);
}
 

@Override
protected boolean onKeyEvent(KeyEvent event) {
    if (null == event) return true; // WTF??

    // Make sure we're not in the middle of a phone call.
    if (null != mVolumePanel && mVolumePanel.getCallState() != TelephonyManager.CALL_STATE_IDLE)
        return super.onKeyEvent(event);

    final int flags = event.getFlags();
    final int code = event.getKeyCode();
    final boolean system = ((flags & KeyEvent.FLAG_FROM_SYSTEM) == KeyEvent.FLAG_FROM_SYSTEM);

    // Specifically avoid software keys or "fake" hardware buttons.
    if (((flags & KeyEvent.FLAG_SOFT_KEYBOARD) == KeyEvent.FLAG_SOFT_KEYBOARD) ||
        ((flags & KeyEvent.FLAG_VIRTUAL_HARD_KEY) == KeyEvent.FLAG_VIRTUAL_HARD_KEY)) {
        return super.onKeyEvent(event);
    } else {
        // Specifically avoid handling certain keys. We never want to interfere
        // with them or harm performance in any way.
        switch (code) {
            case KeyEvent.KEYCODE_BACK:
            case KeyEvent.KEYCODE_HOME:
            case KeyEvent.KEYCODE_MENU:
            case KeyEvent.KEYCODE_POWER:
            case KeyEvent.KEYCODE_SEARCH:
                return super.onKeyEvent(event);
        }
    }

    if (!system) return super.onKeyEvent(event);

    LOGI(TAG, "--onKeyEvent(code=" + event.getKeyCode() + ", action=" + event.getAction() +
            ", topPackage=" + mCurrentActivityPackage + ", disabledButtons=" + disabledButtons + ')');

    // Check if we're supposed to disable Noyze for a Blacklisted app.
    if (blacklist.contains(mCurrentActivityPackage)) {
        if (null != mVolumePanel) mVolumePanel.setEnabled(false);
        return super.onKeyEvent(event);
    } else {
        // NOTE: we need a "safe" way to enable the volume panel that
        // takes into consideration its previous state.
        if (null != mVolumePanel) mVolumePanel.enable();
    }

    // If we're told to disable one or more of the volume buttons, do so (returning true consumes the event).
    if (disabledButtons == code) return true;
    // NOTE: KeyEvent#KEYCODE_VOLUME_DOWN + KeyEvent#KEYCODE_VOLUME_UP == KeyEvent_KEYCODE_U
    final int upAndDown = (KeyEvent.KEYCODE_VOLUME_DOWN + KeyEvent.KEYCODE_VOLUME_UP); // 49
    final int upSquared = KeyEvent.KEYCODE_VOLUME_UP * KeyEvent.KEYCODE_VOLUME_UP; // 576
    if (disabledButtons == upAndDown && Utils.isVolumeKeyCode(upAndDown - code)) return true;
    if (disabledButtons == upSquared && mVolumePanel != null && mVolumePanel.isLocked()) return true;
    if (disabledButtons == upSquared && KEYGUARD.equals(mCurrentActivityPackage)) return true;

    // Check if the volume panel has been disabled, or shouldn't handle this event (e.g. "safe volume").
    if (null != mVolumePanel && mVolumePanel.isEnabled()) {
        if (Utils.isVolumeKeyCode(code)) {
            Message.obtain(mHandler, MESSAGE_KEY_EVENT, event).sendToTarget(); // Run asynchronously
            return true;
        }
    }

	return super.onKeyEvent(event);
}
 

@Override
protected boolean onKeyEvent(KeyEvent event) {
    if (null == event) return true; // WTF??

    // Make sure we're not in the middle of a phone call.
    if (null != mVolumePanel && mVolumePanel.getCallState() != TelephonyManager.CALL_STATE_IDLE)
        return super.onKeyEvent(event);

    final int flags = event.getFlags();
    final int code = event.getKeyCode();
    final boolean system = ((flags & KeyEvent.FLAG_FROM_SYSTEM) == KeyEvent.FLAG_FROM_SYSTEM);

    // Specifically avoid software keys or "fake" hardware buttons.
    if (((flags & KeyEvent.FLAG_SOFT_KEYBOARD) == KeyEvent.FLAG_SOFT_KEYBOARD) ||
        ((flags & KeyEvent.FLAG_VIRTUAL_HARD_KEY) == KeyEvent.FLAG_VIRTUAL_HARD_KEY)) {
        return super.onKeyEvent(event);
    } else {
        // Specifically avoid handling certain keys. We never want to interfere
        // with them or harm performance in any way.
        switch (code) {
            case KeyEvent.KEYCODE_BACK:
            case KeyEvent.KEYCODE_HOME:
            case KeyEvent.KEYCODE_MENU:
            case KeyEvent.KEYCODE_POWER:
            case KeyEvent.KEYCODE_SEARCH:
                return super.onKeyEvent(event);
        }
    }

    if (!system) return super.onKeyEvent(event);

    LOGI(TAG, "--onKeyEvent(code=" + event.getKeyCode() + ", action=" + event.getAction() +
            ", topPackage=" + mCurrentActivityPackage + ", disabledButtons=" + disabledButtons + ')');

    // Check if we're supposed to disable Noyze for a Blacklisted app.
    if (blacklist.contains(mCurrentActivityPackage)) {
        if (null != mVolumePanel) mVolumePanel.setEnabled(false);
        return super.onKeyEvent(event);
    } else {
        // NOTE: we need a "safe" way to enable the volume panel that
        // takes into consideration its previous state.
        if (null != mVolumePanel) mVolumePanel.enable();
    }

    // If we're told to disable one or more of the volume buttons, do so (returning true consumes the event).
    if (disabledButtons == code) return true;
    // NOTE: KeyEvent#KEYCODE_VOLUME_DOWN + KeyEvent#KEYCODE_VOLUME_UP == KeyEvent_KEYCODE_U
    final int upAndDown = (KeyEvent.KEYCODE_VOLUME_DOWN + KeyEvent.KEYCODE_VOLUME_UP); // 49
    final int upSquared = KeyEvent.KEYCODE_VOLUME_UP * KeyEvent.KEYCODE_VOLUME_UP; // 576
    if (disabledButtons == upAndDown && Utils.isVolumeKeyCode(upAndDown - code)) return true;
    if (disabledButtons == upSquared && mVolumePanel != null && mVolumePanel.isLocked()) return true;
    if (disabledButtons == upSquared && KEYGUARD.equals(mCurrentActivityPackage)) return true;

    // Check if the volume panel has been disabled, or shouldn't handle this event (e.g. "safe volume").
    if (null != mVolumePanel && mVolumePanel.isEnabled()) {
        if (Utils.isVolumeKeyCode(code)) {
            Message.obtain(mHandler, MESSAGE_KEY_EVENT, event).sendToTarget(); // Run asynchronously
            return true;
        }
    }

	return super.onKeyEvent(event);
}