Examples with Nullable android.annotation.Nullable used on opensource projects

Example 16 with Nullable

use of android.annotation.Nullable in project android_frameworks_base by ResurrectionRemix.

the class ShortcutInfo method getIntents.

/**
     * Return the intent set with {@link Builder#setIntents(Intent[])}.
     *
     * <p>Launcher apps <b>cannot</b> see the intents.  If a {@link ShortcutInfo} is
     * obtained via {@link LauncherApps}, then this method will always return null.
     * Launchers can only start a shortcut intent with {@link LauncherApps#startShortcut}.
     *
     * @see Builder#setIntents(Intent[])
     */
@Nullable
public Intent[] getIntents() {
    final Intent[] ret = new Intent[mIntents.length];
    for (int i = 0; i < ret.length; i++) {
        ret[i] = new Intent(mIntents[i]);
        setIntentExtras(ret[i], mIntentPersistableExtrases[i]);
    }
    return ret;
}

Example 17 with Nullable

use of android.annotation.Nullable in project android_frameworks_base by ResurrectionRemix.

the class Activity method getParentActivityIntent.

/**
     * Obtain an {@link Intent} that will launch an explicit target activity specified by
     * this activity's logical parent. The logical parent is named in the application's manifest
     * by the {@link android.R.attr#parentActivityName parentActivityName} attribute.
     * Activity subclasses may override this method to modify the Intent returned by
     * super.getParentActivityIntent() or to implement a different mechanism of retrieving
     * the parent intent entirely.
     *
     * @return a new Intent targeting the defined parent of this activity or null if
     *         there is no valid parent.
     */
@Nullable
public Intent getParentActivityIntent() {
    final String parentName = mActivityInfo.parentActivityName;
    if (TextUtils.isEmpty(parentName)) {
        return null;
    }
    // If the parent itself has no parent, generate a main activity intent.
    final ComponentName target = new ComponentName(this, parentName);
    try {
        final ActivityInfo parentInfo = getPackageManager().getActivityInfo(target, 0);
        final String parentActivity = parentInfo.parentActivityName;
        final Intent parentIntent = parentActivity == null ? Intent.makeMainActivity(target) : new Intent().setComponent(target);
        return parentIntent;
    } catch (NameNotFoundException e) {
        Log.e(TAG, "getParentActivityIntent: bad parentActivityName '" + parentName + "' in manifest");
        return null;
    }
}

Example 18 with Nullable

use of android.annotation.Nullable in project android_frameworks_base by ResurrectionRemix.

the class Resources method getColorStateList.

/**
     * Returns a themed color state list associated with a particular resource
     * ID. The resource may contain either a single raw color value or a
     * complex {@link ColorStateList} holding multiple possible colors.
     *
     * @param id The desired resource identifier of a {@link ColorStateList},
     *           as generated by the aapt tool. This integer encodes the
     *           package, type, and resource entry. The value 0 is an invalid
     *           identifier.
     * @param theme The theme used to style the color attributes, may be
     *              {@code null}.
     *
     * @throws NotFoundException Throws NotFoundException if the given ID does
     *         not exist.
     *
     * @return A themed ColorStateList object containing either a single solid
     *         color or multiple colors that can be selected based on a state.
     */
@Nullable
public ColorStateList getColorStateList(@ColorRes int id, @Nullable Theme theme) throws NotFoundException {
    final TypedValue value = obtainTempTypedValue();
    try {
        final ResourcesImpl impl = mResourcesImpl;
        impl.getValue(id, value, true);
        return impl.loadColorStateList(this, value, id, theme);
    } finally {
        releaseTempTypedValue(value);
    }
}

Example 19 with Nullable

use of android.annotation.Nullable in project android_frameworks_base by ResurrectionRemix.

the class ProgressBar method getTintTarget.

/**
     * Returns the drawable to which a tint or tint mode should be applied.
     *
     * @param layerId id of the layer to modify
     * @param shouldFallback whether the base drawable should be returned
     *                       if the id does not exist
     * @return the drawable to modify
     */
@Nullable
private Drawable getTintTarget(int layerId, boolean shouldFallback) {
    Drawable layer = null;
    final Drawable d = mProgressDrawable;
    if (d != null) {
        mProgressDrawable = d.mutate();
        if (d instanceof LayerDrawable) {
            layer = ((LayerDrawable) d).findDrawableByLayerId(layerId);
        }
        if (shouldFallback && layer == null) {
            layer = d;
        }
    }
    return layer;
}

Example 20 with Nullable

use of android.annotation.Nullable in project android_frameworks_base by ResurrectionRemix.

the class CascadingMenuPopup method findParentViewForSubmenu.

/**
     * Attempts to find the view for the menu item that owns the specified
     * submenu.
     *
     * @param parentInfo info for the parent menu
     * @param submenu the submenu whose parent view should be obtained
     * @return the parent view, or {@code null} if one could not be found
     */
@Nullable
private View findParentViewForSubmenu(@NonNull CascadingMenuInfo parentInfo, @NonNull MenuBuilder submenu) {
    final MenuItem owner = findMenuItemForSubmenu(parentInfo.menu, submenu);
    if (owner == null) {
        // Couldn't find the submenu owner.
        return null;
    }
    // The adapter may be wrapped. Adjust the index if necessary.
    final int headersCount;
    final MenuAdapter menuAdapter;
    final ListView listView = parentInfo.getListView();
    final ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter instanceof HeaderViewListAdapter) {
        final HeaderViewListAdapter headerAdapter = (HeaderViewListAdapter) listAdapter;
        headersCount = headerAdapter.getHeadersCount();
        menuAdapter = (MenuAdapter) headerAdapter.getWrappedAdapter();
    } else {
        headersCount = 0;
        menuAdapter = (MenuAdapter) listAdapter;
    }
    // Find the index within the menu adapter's data set of the menu item.
    int ownerPosition = AbsListView.INVALID_POSITION;
    for (int i = 0, count = menuAdapter.getCount(); i < count; i++) {
        if (owner == menuAdapter.getItem(i)) {
            ownerPosition = i;
            break;
        }
    }
    if (ownerPosition == AbsListView.INVALID_POSITION) {
        // Couldn't find the owner within the menu adapter.
        return null;
    }
    // Adjust the index for the adapter used to display views.
    ownerPosition += headersCount;
    // Adjust the index for the visible views.
    final int ownerViewPosition = ownerPosition - listView.getFirstVisiblePosition();
    if (ownerViewPosition < 0 || ownerViewPosition >= listView.getChildCount()) {
        // Not visible on screen.
        return null;
    }
    return listView.getChildAt(ownerViewPosition);
}