Example usage for android.widget LinearLayout setOnHoverListener

Introduction

In this page you can find the example usage for android.widget LinearLayout setOnHoverListener.

Prototype

public void setOnHoverListener(OnHoverListener l) 

Source Link

Document

Register a callback to be invoked when a hover event is sent to this view.

Usage

From source file:com.farmerbb.taskbar.adapter.StartMenuAdapter.java

@Override
public @NonNull View getView(int position, View convertView, final @NonNull ViewGroup parent) {
    // Check if an existing view is being reused, otherwise inflate the view
    if (convertView == null)
        convertView = LayoutInflater.from(getContext()).inflate(isGrid ? R.layout.row_alt : R.layout.row,
                parent, false);/* w w  w .ja  v  a  2 s .  co  m*/

    final AppEntry entry = getItem(position);
    assert entry != null;

    final SharedPreferences pref = U.getSharedPreferences(getContext());

    TextView textView = (TextView) convertView.findViewById(R.id.name);
    textView.setText(entry.getLabel());

    Intent intent = new Intent();
    intent.setComponent(ComponentName.unflattenFromString(entry.getComponentName()));
    ActivityInfo activityInfo = intent.resolveActivityInfo(getContext().getPackageManager(), 0);

    if (activityInfo != null)
        textView.setTypeface(null, isTopApp(activityInfo) ? Typeface.BOLD : Typeface.NORMAL);

    switch (pref.getString("theme", "light")) {
    case "light":
        textView.setTextColor(ContextCompat.getColor(getContext(), R.color.text_color));
        break;
    case "dark":
        textView.setTextColor(ContextCompat.getColor(getContext(), R.color.text_color_dark));
        break;
    }

    ImageView imageView = (ImageView) convertView.findViewById(R.id.icon);
    imageView.setImageDrawable(entry.getIcon(getContext()));

    LinearLayout layout = (LinearLayout) convertView.findViewById(R.id.entry);
    layout.setOnClickListener(view -> {
        LocalBroadcastManager.getInstance(getContext())
                .sendBroadcast(new Intent("com.farmerbb.taskbar.HIDE_START_MENU"));
        U.launchApp(getContext(), entry.getPackageName(), entry.getComponentName(),
                entry.getUserId(getContext()), null, false, false);
    });

    layout.setOnLongClickListener(view -> {
        int[] location = new int[2];
        view.getLocationOnScreen(location);
        openContextMenu(entry, location);
        return true;
    });

    layout.setOnGenericMotionListener((view, motionEvent) -> {
        int action = motionEvent.getAction();

        if (action == MotionEvent.ACTION_BUTTON_PRESS
                && motionEvent.getButtonState() == MotionEvent.BUTTON_SECONDARY) {
            int[] location = new int[2];
            view.getLocationOnScreen(location);
            openContextMenu(entry, location);
        }

        if (action == MotionEvent.ACTION_SCROLL && pref.getBoolean("visual_feedback", true))
            view.setBackgroundColor(0);

        return false;
    });

    if (pref.getBoolean("visual_feedback", true)) {
        layout.setOnHoverListener((v, event) -> {
            if (event.getAction() == MotionEvent.ACTION_HOVER_ENTER) {
                int backgroundTint = pref.getBoolean("transparent_start_menu", false)
                        ? U.getAccentColor(getContext())
                        : U.getBackgroundTint(getContext());

                //noinspection ResourceAsColor
                backgroundTint = ColorUtils.setAlphaComponent(backgroundTint, Color.alpha(backgroundTint) / 2);
                v.setBackgroundColor(backgroundTint);
            }

            if (event.getAction() == MotionEvent.ACTION_HOVER_EXIT)
                v.setBackgroundColor(0);

            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
                v.setPointerIcon(PointerIcon.getSystemIcon(getContext(), PointerIcon.TYPE_DEFAULT));

            return false;
        });

        layout.setOnTouchListener((v, event) -> {
            v.setAlpha(
                    event.getAction() == MotionEvent.ACTION_DOWN || event.getAction() == MotionEvent.ACTION_MOVE
                            ? 0.5f
                            : 1);
            return false;
        });
    }

    return convertView;
}

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