Java Code Examples for com.facebook.litho.ComponentContext#getAndroidContext()

@OnCreateLayout
static Component onCreateLayout(
    ComponentContext c,
    @State String selection,
    @State boolean isShowingDropDown,
    @Prop(resType = ResType.DIMEN_TEXT, optional = true) float selectedTextSize,
    @Prop(resType = ResType.COLOR, optional = true) int selectedTextColor,
    @Prop(resType = ResType.DRAWABLE, optional = true) @Nullable Drawable caret) {
  caret = caret == null ? new CaretDrawable(c.getAndroidContext(), DEFAULT_CARET_COLOR) : caret;
  selectedTextSize =
      selectedTextSize == -1
          ? spToPx(c.getAndroidContext(), DEFAULT_TEXT_SIZE_SP)
          : selectedTextSize;

  return Row.create(c)
      .minHeightDip(SPINNER_HEIGHT)
      .justifyContent(YogaJustify.SPACE_BETWEEN)
      .paddingDip(START, MARGIN_SMALL)
      .backgroundAttr(android.R.attr.selectableItemBackground)
      .clickHandler(Spinner.onClick(c))
      .child(createSelectedItemText(c, selection, (int) selectedTextSize, selectedTextColor))
      .child(createCaret(c, caret, isShowingDropDown))
      .accessibilityRole(AccessibilityRole.DROP_DOWN_LIST)
      .build();
}
 

/** @param c The {@link ComponentContext} the RecyclerBinder will use. */
public RecyclerBinder build(ComponentContext c) {
  componentContext =
      new ComponentContext(
          c.getAndroidContext(), c.getLogTag(), c.getLogger(), null, c.getTreePropsCopy());

  // Incremental mount will not work if this ComponentTree is nested in a parent with it turned
  // off, so always disable it in that case
  incrementalMount = incrementalMount && ComponentContext.isIncrementalMountEnabled(c);
  visibilityProcessing =
      visibilityProcessing && ComponentContext.isVisibilityProcessingEnabled(c);

  if (recyclingMode == ComponentTree.RecyclingMode.DEFAULT) {
    // Only override from parent if recycling mode is not explicitly set.
    recyclingMode = c.getRecyclingMode();
  }

  if (layoutInfo == null) {
    layoutInfo = new LinearLayoutInfo(c.getAndroidContext(), VERTICAL, false);
  }

  return new RecyclerBinder(this);
}
 

@OnEvent(ClickEvent.class)
static void onClickEvent(
    ComponentContext c, @FromEvent View view, @Param int color, @State boolean landLitho) {
  Activity activity = (Activity) c.getAndroidContext();
  Intent intent = new Intent(c.getAndroidContext(), DetailActivity.class);
  intent.putExtra(INTENT_COLOR_KEY, color);
  intent.putExtra(INTENT_LAND_LITHO, landLitho);
  ActivityOptionsCompat options =
      ActivityOptionsCompat.makeSceneTransitionAnimation(
          activity,
          new Pair<View, String>(view, SQUARE_TRANSITION_NAME),
          new Pair<View, String>(
              activity.getWindow().getDecorView().findViewWithTag(TITLE_TRANSITION_NAME),
              TITLE_TRANSITION_NAME));
  activity.startActivity(intent, options.toBundle());
}
 

/** Use {@link #triggerVisibilityEvent(LithoView, Class)} instead */
@Deprecated
private static LithoView dispatchVisibilityEvent(
    ComponentContext context,
    EventHandler eventHandler,
    Object eventInstance,
    Component component) {
  LithoView lithoView = new LithoView(context);
  FrameLayout parent = new FrameLayout(context.getAndroidContext());

  parent.addView(lithoView);

  mountComponent(context, lithoView, component, true, true, 100, 100);

  lithoView.notifyVisibleBoundsChanged();

  eventHandler.mHasEventDispatcher = component;

  try {
    Whitebox.invokeMethod(
        component.getEventDispatcher(), "dispatchOnEvent", eventHandler, eventInstance);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }

  return lithoView;
}
 

@OnEvent(ClickEvent.class)
static void onClick(
    ComponentContext c,
    @FromEvent View view,
    @Prop final DemoListActivity.DemoListDataModel model,
    @Prop final int[] currentIndices) {
  final Intent intent =
      new Intent(
          c.getAndroidContext(), model.datamodels == null ? model.klass : DemoListActivity.class);
  intent.putExtra(DemoListActivity.INDICES, currentIndices);
  c.getAndroidContext().startActivity(intent);
}
 

@OnMeasure
static void onMeasure(
    ComponentContext c, ComponentLayout layout, int widthSpec, int heightSpec, Size size) {
  final ClockView clockView = new ClockView(c.getAndroidContext());
  clockView.measure(
      MeasureUtils.getViewMeasureSpec(widthSpec), MeasureUtils.getViewMeasureSpec(heightSpec));
  size.width = clockView.getMeasuredWidth();
  size.height = clockView.getMeasuredHeight();
}
 

@Before
public void setup() {
  mComponentContext = new ComponentContext(getApplicationContext());
  mRecyclerView = new TestRecyclerView(mComponentContext.getAndroidContext());

  mLayoutThreadShadowLooper =
      Shadows.shadowOf(
          (Looper) Whitebox.invokeMethod(ComponentTree.class, "getDefaultLayoutThreadLooper"));
}
 

@Before
public void setup() {
  mComponentContext = new ComponentContext(getApplicationContext());
  mRecyclerView = new TestLithoRecyclerView(mComponentContext.getAndroidContext());
  mSectionsRecyclerView =
      new TestSectionsRecyclerView(mComponentContext.getAndroidContext(), mRecyclerView);
  mSectionsRecyclerView.setHasBeenDetachedFromWindow(true);
}
 

@Before
public void setup() {
  mComponentContext = new ComponentContext(getApplicationContext());
  mRecyclerView = new RecyclerView(mComponentContext.getAndroidContext());
  mSectionsRecyclerView =
      new TestSectionsRecyclerView(mComponentContext.getAndroidContext(), mRecyclerView);
  mOnRecyclerUpdateListener = mock(RecyclerEventsController.OnRecyclerUpdateListener.class);
  mRecyclerEventsController = new RecyclerEventsController();
  mRecyclerEventsController.setSectionsRecyclerView(mSectionsRecyclerView);
}
 

public SectionContext(ComponentContext context) {
  this(
      context.getAndroidContext(),
      context.getLogTag(),
      context.getLogger(),
      context.getTreePropsCopy());
}
 

@OnEvent(ClickEvent.class)
static void onClick(
    ComponentContext c,
    @FromEvent View view,
    @Prop final String name) {
  final Intent intent = new Intent(c.getAndroidContext(), DemoActivity.class);
  intent.putExtra("demoName", name);
  c.getAndroidContext().startActivity(intent);
}
 

@OnEvent(ClickEvent.class)
static void onClick(
    ComponentContext c,
    @FromEvent View view,
    @Prop final String name) {
  final Intent intent = new Intent(c.getAndroidContext(), DemoActivity.class);
  intent.putExtra("demoName", name);
  c.getAndroidContext().startActivity(intent);
}
 

@OnMeasure
static void onMeasure(
    ComponentContext c,
    ComponentLayout layout,
    int widthSpec,
    int heightSpec,
    Size size,
    @Prop(optional = true, resType = ResType.STRING) CharSequence hint,
    @Prop(optional = true, resType = ResType.DRAWABLE) Drawable inputBackground,
    @Prop(optional = true, resType = ResType.DIMEN_OFFSET) float shadowRadius,
    @Prop(optional = true, resType = ResType.DIMEN_OFFSET) float shadowDx,
    @Prop(optional = true, resType = ResType.DIMEN_OFFSET) float shadowDy,
    @Prop(optional = true, resType = ResType.COLOR) int shadowColor,
    @Prop(optional = true) ColorStateList textColorStateList,
    @Prop(optional = true) ColorStateList hintColorStateList,
    @Prop(optional = true, resType = ResType.COLOR) Integer highlightColor,
    @Prop(optional = true, resType = ResType.DIMEN_TEXT) int textSize,
    @Prop(optional = true) Typeface typeface,
    @Prop(optional = true) int textAlignment,
    @Prop(optional = true) int gravity,
    @Prop(optional = true) boolean editable,
    @Prop(optional = true) int inputType,
    @Prop(optional = true) int imeOptions,
    @Prop(optional = true, varArg = "inputFilter") List<InputFilter> inputFilters,
    @Prop(optional = true) boolean multiline,
    @Prop(optional = true) TextUtils.TruncateAt ellipsize,
    @Prop(optional = true) int minLines,
    @Prop(optional = true) int maxLines,
    @Prop(optional = true) int cursorDrawableRes,
    @Prop(optional = true, resType = ResType.STRING) CharSequence error,
    @Prop(optional = true, resType = ResType.DRAWABLE) Drawable errorDrawable,
    @State AtomicReference<CharSequence> savedText,
    @State int measureSeqNumber) {

  // The height should be the measured height of EditText with relevant params
  final EditText forMeasure = new ForMeasureEditText(c.getAndroidContext());
  // If text contains Spans, we don't want it to be mutable for the measurement case
  CharSequence text = savedText.get();
  if (text instanceof Spannable) {
    text = text.toString();
  }
  setParams(
      forMeasure,
      hint,
      getBackgroundOrDefault(
          c, inputBackground == UNSET_DRAWABLE ? forMeasure.getBackground() : inputBackground),
      shadowRadius,
      shadowDx,
      shadowDy,
      shadowColor,
      textColorStateList,
      hintColorStateList,
      highlightColor,
      textSize,
      typeface,
      textAlignment,
      gravity,
      editable,
      inputType,
      imeOptions,
      inputFilters,
      multiline,
      ellipsize,
      minLines,
      maxLines,
      cursorDrawableRes,
      forMeasure.getMovementMethod(),
      // onMeasure happens:
      // 1. After initState before onMount: savedText = initText.
      // 2. After onMount before onUnmount: savedText preserved from underlying editText.
      text,
      error,
      errorDrawable);
  forMeasure.measure(
      MeasureUtils.getViewMeasureSpec(widthSpec), MeasureUtils.getViewMeasureSpec(heightSpec));

  size.height = forMeasure.getMeasuredHeight();

  // For width we always take all available space, or collapse to 0 if unspecified.
  if (SizeSpec.getMode(widthSpec) == SizeSpec.UNSPECIFIED) {
    size.width = 0;
  } else {
    size.width = Math.min(SizeSpec.getSize(widthSpec), forMeasure.getMeasuredWidth());
  }
}
 

public LinearLayoutInfo(ComponentContext context, int orientation, boolean reverseLayout) {
  this(context.getAndroidContext(), orientation, reverseLayout);
}
 

@Before
public void setup() {
  mComponentContext = new ComponentContext(getApplicationContext());
  mRecyclerView = new TestRecyclerView(mComponentContext.getAndroidContext());
}