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

Example 31 with Nullable

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

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 32 with Nullable

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

the class TimePickerClockDelegate method applyLegacyColorFixes.

/**
     * The legacy text color might have been poorly defined. Ensures that it
     * has an appropriate activated state, using the selected state if one
     * exists or modifying the default text color otherwise.
     *
     * @param color a legacy text color, or {@code null}
     * @return a color state list with an appropriate activated state, or
     *         {@code null} if a valid activated state could not be generated
     */
@Nullable
private ColorStateList applyLegacyColorFixes(@Nullable ColorStateList color) {
    if (color == null || color.hasState(R.attr.state_activated)) {
        return color;
    }
    final int activatedColor;
    final int defaultColor;
    if (color.hasState(R.attr.state_selected)) {
        activatedColor = color.getColorForState(StateSet.get(StateSet.VIEW_STATE_ENABLED | StateSet.VIEW_STATE_SELECTED), 0);
        defaultColor = color.getColorForState(StateSet.get(StateSet.VIEW_STATE_ENABLED), 0);
    } else {
        activatedColor = color.getDefaultColor();
        // Generate a non-activated color using the disabled alpha.
        final TypedArray ta = mContext.obtainStyledAttributes(ATTRS_DISABLED_ALPHA);
        final float disabledAlpha = ta.getFloat(0, 0.30f);
        defaultColor = multiplyAlphaComponent(activatedColor, disabledAlpha);
    }
    if (activatedColor == 0 || defaultColor == 0) {
        // We somehow failed to obtain the colors.
        return null;
    }
    final int[][] stateSet = new int[][] { { R.attr.state_activated }, {} };
    final int[] colors = new int[] { activatedColor, defaultColor };
    return new ColorStateList(stateSet, colors);
}

Example 33 with Nullable

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

the class ShortcutPackage method deleteOrDisableWithId.

@Nullable
private ShortcutInfo deleteOrDisableWithId(@NonNull String shortcutId, boolean disable, boolean overrideImmutable) {
    final ShortcutInfo oldShortcut = mShortcuts.get(shortcutId);
    if (oldShortcut == null || !oldShortcut.isEnabled()) {
        // Doesn't exist or already disabled.
        return null;
    }
    if (!overrideImmutable) {
        ensureNotImmutable(oldShortcut);
    }
    if (oldShortcut.isPinned()) {
        oldShortcut.setRank(0);
        oldShortcut.clearFlags(ShortcutInfo.FLAG_DYNAMIC | ShortcutInfo.FLAG_MANIFEST);
        if (disable) {
            oldShortcut.addFlags(ShortcutInfo.FLAG_DISABLED);
        }
        oldShortcut.setTimestamp(mShortcutUser.mService.injectCurrentTimeMillis());
        return oldShortcut;
    } else {
        deleteShortcutInner(shortcutId);
        return null;
    }
}

Example 34 with Nullable

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

the class MediaCodec method getInputBuffer.

/**
     * Returns a {@link java.nio.Buffer#clear cleared}, writable ByteBuffer
     * object for a dequeued input buffer index to contain the input data.
     *
     * After calling this method any ByteBuffer or Image object
     * previously returned for the same input index MUST no longer
     * be used.
     *
     * @param index The index of a client-owned input buffer previously
     *              returned from a call to {@link #dequeueInputBuffer},
     *              or received via an onInputBufferAvailable callback.
     *
     * @return the input buffer, or null if the index is not a dequeued
     * input buffer, or if the codec is configured for surface input.
     *
     * @throws IllegalStateException if not in the Executing state.
     * @throws MediaCodec.CodecException upon codec error.
     */
@Nullable
public ByteBuffer getInputBuffer(int index) {
    ByteBuffer newBuffer = getBuffer(true, /* input */
    index);
    synchronized (mBufferLock) {
        invalidateByteBuffer(mCachedInputBuffers, index);
        mDequeuedInputBuffers.put(index, newBuffer);
    }
    return newBuffer;
}

Example 35 with Nullable

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

the class Main method renderAndVerify.

/**
     * Create a new rendering session and test that rendering the given layout doesn't throw any
     * exceptions and matches the provided image.
     * <p>
     * If frameTimeNanos is >= 0 a frame will be executed during the rendering. The time indicates
     * how far in the future is.
     */
@Nullable
private RenderResult renderAndVerify(SessionParams params, String goldenFileName, long frameTimeNanos) throws ClassNotFoundException {
    // TODO: Set up action bar handler properly to test menu rendering.
    // Create session params.
    RenderSession session = sBridge.createSession(params);
    if (frameTimeNanos != -1) {
        session.setElapsedFrameTimeNanos(frameTimeNanos);
    }
    if (!session.getResult().isSuccess()) {
        getLogger().error(session.getResult().getException(), session.getResult().getErrorMessage());
    }
    // Render the session with a timeout of 50s.
    Result renderResult = session.render(50000);
    if (!renderResult.isSuccess()) {
        getLogger().error(session.getResult().getException(), session.getResult().getErrorMessage());
    }
    try {
        String goldenImagePath = APP_TEST_DIR + "/golden/" + goldenFileName;
        ImageUtils.requireSimilar(goldenImagePath, session.getImage());
        return RenderResult.getFromSession(session);
    } catch (IOException e) {
        getLogger().error(e, e.getMessage());
    } finally {
        session.dispose();
    }
    return null;
}