Example usage for android.accessibilityservice AccessibilityServiceInfo FLAG_REQUEST_FILTER_KEY_EVENTS

Introduction

In this page you can find the example usage for android.accessibilityservice AccessibilityServiceInfo FLAG_REQUEST_FILTER_KEY_EVENTS.

Prototype

int FLAG_REQUEST_FILTER_KEY_EVENTS

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Document

This flag requests from the system to filter key events.

Usage

From source file:com.google.android.marvin.screenspeak.ScreenSpeakService.java

/**
 * Registers listeners, sets service info, loads preferences. This should be
 * called from {@link #onServiceConnected} and when ScreenSpeak resumes from a
 * suspended state./*from w  w w .j  a v a 2  s. com*/
 */
private void resumeInfrastructure() {
    if (isServiceActive()) {
        if (LogUtils.LOG_LEVEL <= Log.ERROR) {
            Log.e(LOGTAG, "Attempted to resume while not suspended");
        }
        return;
    }

    setServiceState(SERVICE_STATE_ACTIVE);
    stopForeground(true);

    final AccessibilityServiceInfo info = new AccessibilityServiceInfo();
    info.eventTypes = AccessibilityEvent.TYPES_ALL_MASK;
    info.feedbackType |= AccessibilityServiceInfo.FEEDBACK_SPOKEN;
    info.feedbackType |= AccessibilityServiceInfo.FEEDBACK_AUDIBLE;
    info.feedbackType |= AccessibilityServiceInfo.FEEDBACK_HAPTIC;
    info.flags |= AccessibilityServiceInfo.DEFAULT;
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
        info.flags |= AccessibilityServiceInfo.FLAG_REQUEST_ENHANCED_WEB_ACCESSIBILITY;
        info.flags |= AccessibilityServiceInfo.FLAG_REPORT_VIEW_IDS;
        info.flags |= AccessibilityServiceInfo.FLAG_REQUEST_FILTER_KEY_EVENTS;
    }
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP_MR1) {
        info.flags |= AccessibilityServiceInfo.FLAG_RETRIEVE_INTERACTIVE_WINDOWS;
    }
    info.notificationTimeout = 0;

    // Ensure the initial touch exploration request mode is correct.
    if (mSupportsTouchScreen && SharedPreferencesUtils.getBooleanPref(mPrefs, getResources(),
            R.string.pref_explore_by_touch_key, R.bool.pref_explore_by_touch_default)) {
        info.flags |= AccessibilityServiceInfo.FLAG_REQUEST_TOUCH_EXPLORATION_MODE;
    }

    setServiceInfo(info);

    if (mRingerModeAndScreenMonitor != null) {
        registerReceiver(mRingerModeAndScreenMonitor, mRingerModeAndScreenMonitor.getFilter());
        // It could now be confused with the current screen state
        mRingerModeAndScreenMonitor.updateScreenState();
    }

    if (mVolumeMonitor != null) {
        registerReceiver(mVolumeMonitor, mVolumeMonitor.getFilter());
    }

    if (mBatteryMonitor != null) {
        registerReceiver(mBatteryMonitor, mBatteryMonitor.getFilter());
    }

    if (mPackageReceiver != null) {
        registerReceiver(mPackageReceiver, mPackageReceiver.getFilter());
        if (mLabelManager != null) {
            mLabelManager.ensureDataConsistency();
        }
    }

    if (mSideTapManager != null) {
        registerReceiver(mSideTapManager, SideTapManager.getFilter());
    }

    mPrefs.registerOnSharedPreferenceChangeListener(mSharedPreferenceChangeListener);

    // Add the broadcast listener for gestures.
    final IntentFilter filter = new IntentFilter();
    filter.addAction(ACTION_PERFORM_GESTURE_ACTION);
    registerReceiver(mActiveReceiver, filter, PERMISSION_SCREENSPEAK, null);

    // Enable the proxy activity for long-press search.
    final PackageManager packageManager = getPackageManager();
    final ComponentName shortcutProxy = new ComponentName(this, ShortcutProxyActivity.class);
    packageManager.setComponentEnabledSetting(shortcutProxy, PackageManager.COMPONENT_ENABLED_STATE_ENABLED,
            PackageManager.DONT_KILL_APP);

    reloadPreferences();

    if (mDimScreenController.isDimmingEnabled()) {
        mDimScreenController.makeScreenDim();
    }
}

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