Example usage for android.support.v4.view.accessibility AccessibilityWindowInfoCompat TYPE_APPLICATION

Introduction

In this page you can find the example usage for android.support.v4.view.accessibility AccessibilityWindowInfoCompat TYPE_APPLICATION.

Prototype

int TYPE_APPLICATION

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Document

Window type: This is an application window.

Usage

From source file:com.android.talkback.formatter.TouchExplorationFormatter.java

/**
 * Populates utterance about window transition. We populate this feedback only when user is in
 * split screen mode to avoid verbosity of feedback.
 *///from   w w  w.j a va 2s  .c  o m
private void addWindowTransition(Utterance utterance, AccessibilityNodeInfoCompat announcedNode) {
    int windowId = announcedNode.getWindowId();
    if (windowId == mLastFocusedWindowId) {
        return;
    }

    int windowType = getWindowType(announcedNode);
    if (windowType != AccessibilityWindowInfoCompat.TYPE_APPLICATION
            && windowType != AccessibilityWindowInfoCompat.TYPE_SYSTEM) {
        return;
    }

    List<AccessibilityWindowInfo> windows = mService.getWindows();
    List<AccessibilityWindowInfo> applicationWindows = new ArrayList<>();
    for (AccessibilityWindowInfo window : windows) {
        if (window.getType() == AccessibilityWindowInfo.TYPE_APPLICATION) {
            if (window.getParent() == null) {
                applicationWindows.add(window);
            }
        }
    }

    // Provide window transition feedback only when user is in split screen mode or navigating
    // with keyboard. We consider user is in split screen mode if there are two none-parented
    // application windows.
    if (applicationWindows.size() != 2
            && mService.getInputModeManager().getInputMode() != InputModeManager.INPUT_MODE_KEYBOARD) {
        return;
    }

    WindowManager windowManager = new WindowManager(mService.isScreenLayoutRTL());
    windowManager.setWindows(windows);

    CharSequence title = null;
    if (!applicationWindows.isEmpty() && windowManager.isStatusBar(windowId)) {
        title = mService.getString(R.string.status_bar);
    } else if (!applicationWindows.isEmpty() && windowManager.isNavigationBar(windowId)) {
        title = mService.getString(R.string.navigation_bar);
    } else {
        title = mWindowTitlesMap.get(windowId);

        if (title == null && BuildCompat.isAtLeastN()) {
            for (AccessibilityWindowInfo window : windows) {
                if (window.getId() == windowId) {
                    title = window.getTitle();
                    break;
                }
            }
        }

        if (title == null) {
            title = mService.getApplicationLabel(announcedNode.getPackageName());
        }
    }

    int templateId = windowType == AccessibilityWindowInfo.TYPE_APPLICATION
            ? R.string.template_window_switch_application
            : R.string.template_window_switch_system;
    utterance.addSpoken(
            mService.getString(templateId, WindowManager.formatWindowTitleForFeedback(title, mService)));
}

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