Example usage for java.lang Math hypot

List of usage examples for java.lang Math hypot

Introduction

In this page you can find the example usage for java.lang Math hypot.

Prototype

public static double hypot(double x, double y) 

Source Link

Document

Returns sqrt(x2 +y2) without intermediate overflow or underflow.

Usage

From source file:ccv.checkhelzio.nuevaagendacucsh.transitions.FabTransition.java

@Override
public Animator createAnimator(final ViewGroup sceneRoot, final TransitionValues startValues,
        final TransitionValues endValues) {
    if (startValues == null || endValues == null)
        return null;

    final Rect startBounds = (Rect) startValues.values.get(PROP_BOUNDS);
    final Rect endBounds = (Rect) endValues.values.get(PROP_BOUNDS);

    final boolean fromFab = endBounds.width() > startBounds.width();
    final View view = endValues.view;
    final Rect dialogBounds = fromFab ? endBounds : startBounds;
    final Rect fabBounds = fromFab ? startBounds : endBounds;
    final Interpolator fastOutSlowInInterpolator = AnimUtils
            .getFastOutSlowInInterpolator(sceneRoot.getContext());
    final long duration = getDuration();
    final long halfDuration = duration / 2;
    final long twoThirdsDuration = duration * 2 / 3;

    if (!fromFab) {
        // Force measure / layout the dialog back to it's original bounds
        view.measure(makeMeasureSpec(startBounds.width(), View.MeasureSpec.EXACTLY),
                makeMeasureSpec(startBounds.height(), View.MeasureSpec.EXACTLY));
        view.layout(startBounds.left, startBounds.top, startBounds.right, startBounds.bottom);
    }/*from   w w w  .  j  a v  a2 s  . c  o  m*/

    final int translationX = startBounds.centerX() - endBounds.centerX();
    final int translationY = startBounds.centerY() - endBounds.centerY();
    if (fromFab) {
        view.setTranslationX(translationX);
        view.setTranslationY(translationY);
    }

    // Add a color overlay to fake appearance of the FAB
    final ColorDrawable fabColor = new ColorDrawable(color);
    fabColor.setBounds(0, 0, dialogBounds.width(), dialogBounds.height());
    if (!fromFab)
        fabColor.setAlpha(0);
    view.getOverlay().add(fabColor);

    // Add an icon overlay again to fake the appearance of the FAB
    final Drawable fabIcon = ContextCompat.getDrawable(sceneRoot.getContext(), icon).mutate();
    final int iconLeft = (dialogBounds.width() - fabIcon.getIntrinsicWidth()) / 2;
    final int iconTop = (dialogBounds.height() - fabIcon.getIntrinsicHeight()) / 2;
    fabIcon.setBounds(iconLeft, iconTop, iconLeft + fabIcon.getIntrinsicWidth(),
            iconTop + fabIcon.getIntrinsicHeight());
    if (!fromFab)
        fabIcon.setAlpha(0);
    view.getOverlay().add(fabIcon);

    // Circular clip from/to the FAB size
    final Animator circularReveal;
    if (fromFab) {
        circularReveal = ViewAnimationUtils.createCircularReveal(view, view.getWidth() / 2,
                view.getHeight() / 2, startBounds.width() / 2,
                (float) Math.hypot(endBounds.width() / 2, endBounds.height() / 2));
        circularReveal.setInterpolator(AnimUtils.getFastOutLinearInInterpolator(sceneRoot.getContext()));
        //circularReveal.setInterpolator(new AnimationUtils().loadInterpolator(sceneRoot.getContext(), android.R.interpolator.fast_out_slow_in));
    } else {
        circularReveal = ViewAnimationUtils.createCircularReveal(view, view.getWidth() / 2,
                view.getHeight() / 2, (float) Math.hypot(startBounds.width() / 2, startBounds.height() / 2),
                endBounds.width() / 2);
        circularReveal.setInterpolator(AnimUtils.getLinearOutSlowInInterpolator(sceneRoot.getContext()));

        // Persist the end clip i.e. stay at FAB size after the reveal has run
        circularReveal.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                view.setOutlineProvider(new ViewOutlineProvider() {
                    @Override
                    public void getOutline(View view, Outline outline) {
                        final int left = (view.getWidth() - fabBounds.width()) / 2;
                        final int top = (view.getHeight() - fabBounds.height()) / 2;
                        outline.setOval(left, top, left + fabBounds.width(), top + fabBounds.height());
                        view.setClipToOutline(true);
                    }
                });
            }
        });
    }
    circularReveal.setDuration(duration);

    // Translate to end position along an arc
    final Animator translate = ObjectAnimator.ofFloat(view, View.TRANSLATION_X, View.TRANSLATION_Y,
            fromFab ? getPathMotion().getPath(translationX, translationY, 0, 0)
                    : getPathMotion().getPath(0, 0, -translationX, -translationY));
    translate.setDuration(duration);
    translate.setInterpolator(fastOutSlowInInterpolator);

    // Fade contents of non-FAB view in/out
    List<Animator> fadeContents = null;
    if (view instanceof ViewGroup) {
        final ViewGroup vg = ((ViewGroup) view);
        fadeContents = new ArrayList<>(vg.getChildCount());
        for (int i = vg.getChildCount() - 1; i >= 0; i--) {
            final View child = vg.getChildAt(i);
            final Animator fade = ObjectAnimator.ofFloat(child, View.ALPHA, fromFab ? 1f : 0f);
            if (fromFab) {
                child.setAlpha(0f);
            }
            fade.setDuration(twoThirdsDuration);
            fade.setInterpolator(fastOutSlowInInterpolator);
            fadeContents.add(fade);
        }
    }

    // Fade in/out the fab color & icon overlays
    final Animator colorFade = ObjectAnimator.ofInt(fabColor, "alpha", fromFab ? 0 : 255);
    final Animator iconFade = ObjectAnimator.ofInt(fabIcon, "alpha", fromFab ? 0 : 255);
    if (!fromFab) {
        colorFade.setStartDelay(halfDuration);
        iconFade.setStartDelay(halfDuration);
    }
    colorFade.setDuration(halfDuration);
    iconFade.setDuration(halfDuration);
    colorFade.setInterpolator(fastOutSlowInInterpolator);
    iconFade.setInterpolator(fastOutSlowInInterpolator);

    // Work around issue with elevation shadows. At the end of the return transition the shared
    // element's shadow is drawn twice (by each activity) which is jarring. This workaround
    // still causes the shadow to snap, but it's better than seeing it double drawn.
    Animator elevation = null;
    if (!fromFab) {
        elevation = ObjectAnimator.ofFloat(view, View.TRANSLATION_Z, -view.getElevation());
        elevation.setDuration(duration);
        elevation.setInterpolator(fastOutSlowInInterpolator);
    }

    // Run all animations together
    final AnimatorSet transition = new AnimatorSet();
    transition.playTogether(circularReveal, translate, colorFade, iconFade);
    transition.playTogether(fadeContents);
    if (elevation != null)
        transition.play(elevation);
    if (fromFab) {
        transition.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                // Clean up
                view.getOverlay().clear();
            }
        });
    }
    return new AnimUtils.NoPauseAnimator(transition);
}

From source file:us.phyxsi.gameshelf.ui.SearchActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_search);
    ButterKnife.bind(this);
    setupSearchView();//from   w  ww  . java  2 s .c  o  m
    auto = TransitionInflater.from(this).inflateTransition(R.transition.auto);

    dataManager = new SearchDataManager(this) {
        @Override
        public void onDataLoaded(List<? extends Boardgame> data) {
            if (data != null && data.size() > 0) {
                if (results.getVisibility() != View.VISIBLE) {
                    TransitionManager.beginDelayedTransition(container, auto);
                    progress.setVisibility(View.GONE);
                    results.setVisibility(View.VISIBLE);
                }
                adapter.addAndResort(data);
            } else {
                TransitionManager.beginDelayedTransition(container, auto);
                progress.setVisibility(View.GONE);
                setNoResultsVisibility(View.VISIBLE);
            }
        }
    };
    adapter = new FeedAdapter(this, SearchActivity.this, dataManager, columns);
    results.setAdapter(adapter);
    GridLayoutManager layoutManager = new GridLayoutManager(this, columns);
    layoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
        @Override
        public int getSpanSize(int position) {
            return adapter.getItemColumnSpan(position);
        }
    });
    results.setLayoutManager(layoutManager);
    results.setHasFixedSize(true);

    // extract the search icon's location passed from the launching activity, minus 4dp to
    // compensate for different paddings in the views
    searchBackDistanceX = getIntent().getIntExtra(EXTRA_MENU_LEFT, 0) - (int) TypedValue
            .applyDimension(TypedValue.COMPLEX_UNIT_DIP, 4, getResources().getDisplayMetrics());
    searchIconCenterX = getIntent().getIntExtra(EXTRA_MENU_CENTER_X, 0);

    // translate icon to match the launching screen then animate back into position
    searchBackContainer.setTranslationX(searchBackDistanceX);
    searchBackContainer.animate().translationX(0f).setDuration(650L)
            .setInterpolator(AnimationUtils.loadInterpolator(this, android.R.interpolator.fast_out_slow_in));
    // transform from search icon to back icon
    AnimatedVectorDrawable searchToBack = (AnimatedVectorDrawable) ContextCompat.getDrawable(this,
            R.drawable.avd_search_to_back);
    searchBack.setImageDrawable(searchToBack);
    searchToBack.start();
    // for some reason the animation doesn't always finish (leaving a part arrow!?) so after
    // the animation set a static drawable. Also animation callbacks weren't added until API23
    // so using post delayed :(
    // TODO fix properly!!
    searchBack.postDelayed(new Runnable() {
        @Override
        public void run() {
            searchBack.setImageDrawable(
                    ContextCompat.getDrawable(SearchActivity.this, R.drawable.ic_arrow_back_padded));
        }
    }, 600L);

    // fade in the other search chrome
    searchBackground.animate().alpha(1f).setDuration(300L)
            .setInterpolator(AnimationUtils.loadInterpolator(this, android.R.interpolator.linear_out_slow_in));
    searchView.animate().alpha(1f).setStartDelay(400L).setDuration(400L)
            .setInterpolator(AnimationUtils.loadInterpolator(this, android.R.interpolator.linear_out_slow_in))
            .setListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    searchView.requestFocus();
                    ImeUtils.showIme(searchView);
                }
            });

    // animate in a scrim over the content behind
    scrim.getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
        @Override
        public boolean onPreDraw() {
            scrim.getViewTreeObserver().removeOnPreDrawListener(this);
            AnimatorSet showScrim = new AnimatorSet();
            showScrim.playTogether(
                    ViewAnimationUtils.createCircularReveal(scrim, searchIconCenterX,
                            searchBackground.getBottom(), 0,
                            (float) Math.hypot(searchBackDistanceX,
                                    scrim.getHeight() - searchBackground.getBottom())),
                    ObjectAnimator.ofArgb(scrim, ViewUtils.BACKGROUND_COLOR, Color.TRANSPARENT,
                            ContextCompat.getColor(SearchActivity.this, R.color.scrim)));
            showScrim.setDuration(400L);
            showScrim.setInterpolator(AnimationUtils.loadInterpolator(SearchActivity.this,
                    android.R.interpolator.linear_out_slow_in));
            showScrim.start();
            return false;
        }
    });
    onNewIntent(getIntent());
}

From source file:arun.com.chromer.webheads.ui.views.WebHead.java

/**
 * Responsible for moving the web heads around and for locking/unlocking the web head to
 * remove view.//from w  ww  .  java  2s.  c  o m
 *
 * @param event the touch event
 */
private void handleMove(@NonNull MotionEvent event) {
    movementTracker.addMovement(event);

    float offsetX = event.getRawX() - posX;
    float offsetY = event.getRawY() - posY;

    if (Math.hypot(offsetX, offsetY) > touchSlop) {
        dragging = true;
    }

    if (dragging) {
        getTrashy().reveal();

        userManuallyMoved = true;

        int x = (int) (initialDownX + offsetX);
        int y = (int) (initialDownY + offsetY);

        if (isNearRemoveCircle(x, y)) {
            getTrashy().grow();
            touchUp();

            xSpring.setSpringConfig(SpringConfigs.SNAP);
            ySpring.setSpringConfig(SpringConfigs.SNAP);

            xSpring.setEndValue(trashLockCoOrd()[0]);
            ySpring.setEndValue(trashLockCoOrd()[1]);

        } else {
            getTrashy().shrink();

            xSpring.setSpringConfig(SpringConfigs.DRAG);
            ySpring.setSpringConfig(SpringConfigs.DRAG);

            xSpring.setCurrentValue(x);
            ySpring.setCurrentValue(y);

            touchDown();
        }
    }
}

From source file:com.kbot2.scriptable.methods.data.Walking.java

public Tile[] fixPath(int startX, int startY, int destinationX, int destinationY) {
    double x, y;//from   ww  w .j  av a 2  s. co m
    ArrayList<Tile> list = new ArrayList<Tile>();
    list.add(new Tile(startX, startY));
    while (Math.hypot(destinationY - startY, destinationX - startX) > 8) {
        x = destinationX - startX;
        y = destinationY - startY;
        int random = random(14, 17);
        while (Math.hypot(x, y) > random) {
            x *= .95;
            y *= .95;
        }
        startX += (int) x;
        startY += (int) y;
        list.add(new Tile(startX, startY));
    }
    list.add(new Tile(destinationX, destinationY));
    return list.toArray(new Tile[list.size()]);
}

From source file:com.hannesdorfmann.search.SearchActivity.java

@Override
  protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_search);
      setRetainInstance(true);//w  w w . j  av  a 2  s. co m

      ButterKnife.bind(this);
      setupSearchView();

      auto = TransitionInflater.from(this).inflateTransition(R.transition.auto);
      adapter = new FeedAdapter(this, columns, PocketUtils.isPocketInstalled(this));

      results.setAdapter(adapter);
      GridLayoutManager layoutManager = new GridLayoutManager(this, columns);
      layoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
          @Override
          public int getSpanSize(int position) {
              return adapter.getItemColumnSpan(position);
          }
      });
      results.setLayoutManager(layoutManager);
      results.addOnScrollListener(new InfiniteScrollListener(layoutManager) {
          @Override
          public void onLoadMore() {
              if (!adapter.isLoadingMore()) {
                  presenter.searchMore(searchView.getQuery().toString());
              }
          }
      });
      results.setHasFixedSize(true);
      results.addOnScrollListener(gridScroll);

      // extract the search icon's location passed from the launching activity, minus 4dp to
      // compensate for different paddings in the views
      searchBackDistanceX = getIntent().getIntExtra(EXTRA_MENU_LEFT, 0) - (int) TypedValue
              .applyDimension(TypedValue.COMPLEX_UNIT_DIP, 4, getResources().getDisplayMetrics());
      searchIconCenterX = getIntent().getIntExtra(EXTRA_MENU_CENTER_X, 0);

      // translate icon to match the launching screen then animate back into position
      searchBackContainer.setTranslationX(searchBackDistanceX);
      searchBackContainer.animate().translationX(0f).setDuration(650L)
              .setInterpolator(AnimationUtils.loadInterpolator(this, android.R.interpolator.fast_out_slow_in));
      // transform from search icon to back icon
      AnimatedVectorDrawable searchToBack = (AnimatedVectorDrawable) ContextCompat.getDrawable(this,
              R.drawable.avd_search_to_back);
      searchBack.setImageDrawable(searchToBack);
      searchToBack.start();
      // for some reason the animation doesn't always finish (leaving a part arrow!?) so after
      // the animation set a static drawable. Also animation callbacks weren't added until API23
      // so using post delayed :(
      // TODO fix properly!!
      searchBack.postDelayed(new Runnable() {
          @Override
          public void run() {
              searchBack.setImageDrawable(
                      ContextCompat.getDrawable(SearchActivity.this, R.drawable.ic_arrow_back_padded));
          }
      }, 600);

      // fade in the other search chrome
      searchBackground.animate().alpha(1f).setDuration(300L)
              .setInterpolator(AnimationUtils.loadInterpolator(this, android.R.interpolator.linear_out_slow_in));
      searchView.animate().alpha(1f).setStartDelay(400L).setDuration(400L)
              .setInterpolator(AnimationUtils.loadInterpolator(this, android.R.interpolator.linear_out_slow_in))
              .setListener(new AnimatorListenerAdapter() {
                  @Override
                  public void onAnimationEnd(Animator animation) {
                      searchView.requestFocus();
                      ImeUtils.showIme(searchView);
                  }
              });

      // animate in a scrim over the content behind
      scrim.getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
          @Override
          public boolean onPreDraw() {
              scrim.getViewTreeObserver().removeOnPreDrawListener(this);
              AnimatorSet showScrim = new AnimatorSet();
              showScrim.playTogether(
                      ViewAnimationUtils.createCircularReveal(scrim, searchIconCenterX,
                              searchBackground.getBottom(), 0,
                              (float) Math.hypot(searchBackDistanceX,
                                      scrim.getHeight() - searchBackground.getBottom())),
                      ObjectAnimator.ofArgb(scrim, ViewUtils.BACKGROUND_COLOR, Color.TRANSPARENT,
                              ContextCompat.getColor(SearchActivity.this, R.color.scrim)));
              showScrim.setDuration(400L);
              showScrim.setInterpolator(AnimationUtils.loadInterpolator(SearchActivity.this,
                      android.R.interpolator.linear_out_slow_in));
              showScrim.start();
              return false;
          }
      });
      onNewIntent(getIntent());
  }

From source file:io.plaidapp.ui.SearchActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_search);
    ButterKnife.bind(this);
    setupSearchView();//from w  w w  . j a  v  a2s.  c  o  m
    auto = TransitionInflater.from(this).inflateTransition(R.transition.auto);

    dataManager = new SearchDataManager(this) {
        @Override
        public void onDataLoaded(List<? extends PlaidItem> data) {
            if (data != null && data.size() > 0) {
                if (results.getVisibility() != View.VISIBLE) {
                    TransitionManager.beginDelayedTransition(container, auto);
                    progress.setVisibility(View.GONE);
                    results.setVisibility(View.VISIBLE);
                    fab.setVisibility(View.VISIBLE);
                    fab.setAlpha(0.6f);
                    fab.setScaleX(0f);
                    fab.setScaleY(0f);
                    fab.animate().alpha(1f).scaleX(1f).scaleY(1f).setStartDelay(800L).setDuration(300L)
                            .setInterpolator(AnimationUtils.loadInterpolator(SearchActivity.this,
                                    android.R.interpolator.linear_out_slow_in));
                }
                adapter.addAndResort(data);
            } else {
                TransitionManager.beginDelayedTransition(container, auto);
                progress.setVisibility(View.GONE);
                setNoResultsVisibility(View.VISIBLE);
            }
        }
    };
    adapter = new FeedAdapter(this, dataManager, columns, PocketUtils.isPocketInstalled(this));
    results.setAdapter(adapter);
    GridLayoutManager layoutManager = new GridLayoutManager(this, columns);
    layoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
        @Override
        public int getSpanSize(int position) {
            return adapter.getItemColumnSpan(position);
        }
    });
    results.setLayoutManager(layoutManager);
    results.addOnScrollListener(new InfiniteScrollListener(layoutManager, dataManager) {
        @Override
        public void onLoadMore() {
            dataManager.loadMore();
        }
    });
    results.setHasFixedSize(true);
    results.addOnScrollListener(gridScroll);

    // extract the search icon's location passed from the launching activity, minus 4dp to
    // compensate for different paddings in the views
    searchBackDistanceX = getIntent().getIntExtra(EXTRA_MENU_LEFT, 0) - (int) TypedValue
            .applyDimension(TypedValue.COMPLEX_UNIT_DIP, 4, getResources().getDisplayMetrics());
    searchIconCenterX = getIntent().getIntExtra(EXTRA_MENU_CENTER_X, 0);

    // translate icon to match the launching screen then animate back into position
    searchBackContainer.setTranslationX(searchBackDistanceX);
    searchBackContainer.animate().translationX(0f).setDuration(650L)
            .setInterpolator(AnimationUtils.loadInterpolator(this, android.R.interpolator.fast_out_slow_in));
    // transform from search icon to back icon
    AnimatedVectorDrawable searchToBack = (AnimatedVectorDrawable) ContextCompat.getDrawable(this,
            R.drawable.avd_search_to_back);
    searchBack.setImageDrawable(searchToBack);
    searchToBack.start();
    // for some reason the animation doesn't always finish (leaving a part arrow!?) so after
    // the animation set a static drawable. Also animation callbacks weren't added until API23
    // so using post delayed :(
    // TODO fix properly!!
    searchBack.postDelayed(new Runnable() {
        @Override
        public void run() {
            searchBack.setImageDrawable(
                    ContextCompat.getDrawable(SearchActivity.this, R.drawable.ic_arrow_back_padded));
        }
    }, 600L);

    // fade in the other search chrome
    searchBackground.animate().alpha(1f).setDuration(300L)
            .setInterpolator(AnimationUtils.loadInterpolator(this, android.R.interpolator.linear_out_slow_in));
    searchView.animate().alpha(1f).setStartDelay(400L).setDuration(400L)
            .setInterpolator(AnimationUtils.loadInterpolator(this, android.R.interpolator.linear_out_slow_in))
            .setListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    searchView.requestFocus();
                    ImeUtils.showIme(searchView);
                }
            });

    // animate in a scrim over the content behind
    scrim.getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
        @Override
        public boolean onPreDraw() {
            scrim.getViewTreeObserver().removeOnPreDrawListener(this);
            AnimatorSet showScrim = new AnimatorSet();
            showScrim.playTogether(
                    ViewAnimationUtils.createCircularReveal(scrim, searchIconCenterX,
                            searchBackground.getBottom(), 0,
                            (float) Math.hypot(searchBackDistanceX,
                                    scrim.getHeight() - searchBackground.getBottom())),
                    ObjectAnimator.ofArgb(scrim, ViewUtils.BACKGROUND_COLOR, Color.TRANSPARENT,
                            ContextCompat.getColor(SearchActivity.this, R.color.scrim)));
            showScrim.setDuration(400L);
            showScrim.setInterpolator(AnimationUtils.loadInterpolator(SearchActivity.this,
                    android.R.interpolator.linear_out_slow_in));
            showScrim.start();
            return false;
        }
    });
    onNewIntent(getIntent());
}

From source file:io.plaidapp.ui.SearchActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_search);
    ButterKnife.bind(this);
    setupSearchView();//from   ww  w.  j  av a  2 s  .c o m
    auto = TransitionInflater.from(this).inflateTransition(R.transition.auto);

    dataManager = new SearchDataManager(this) {
        @Override
        public void onDataLoaded(List<? extends PlaidItem> data) {
            if (data != null && data.size() > 0) {
                if (results.getVisibility() != View.VISIBLE) {
                    TransitionManager.beginDelayedTransition(container, auto);
                    progress.setVisibility(View.GONE);
                    results.setVisibility(View.VISIBLE);
                    fab.setVisibility(View.VISIBLE);
                    fab.setAlpha(0.6f);
                    fab.setScaleX(0f);
                    fab.setScaleY(0f);
                    fab.animate().alpha(1f).scaleX(1f).scaleY(1f).setStartDelay(800L).setDuration(300L)
                            .setInterpolator(AnimationUtils.loadInterpolator(SearchActivity.this,
                                    android.R.interpolator.linear_out_slow_in));
                }
                adapter.addAndResort(data);
            } else {
                TransitionManager.beginDelayedTransition(container, auto);
                progress.setVisibility(View.GONE);
                setNoResultsVisibility(View.VISIBLE);
            }
        }
    };
    adapter = new FeedAdapter(this, dataManager, PocketUtils.isPocketInstalled(this));
    results.setAdapter(adapter);
    GridLayoutManager layoutManager = new GridLayoutManager(this, columns);
    layoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
        @Override
        public int getSpanSize(int position) {
            return position == adapter.getDataItemCount() ? columns : 1;
        }
    });
    results.setLayoutManager(layoutManager);
    results.addOnScrollListener(new InfiniteScrollListener(layoutManager, dataManager) {
        @Override
        public void onLoadMore() {
            dataManager.loadMore();
        }
    });
    results.setHasFixedSize(true);
    results.addOnScrollListener(gridScroll);

    // extract the search icon's location passed from the launching activity, minus 4dp to
    // compensate for different paddings in the views
    searchBackDistanceX = getIntent().getIntExtra(EXTRA_MENU_LEFT, 0) - (int) TypedValue
            .applyDimension(TypedValue.COMPLEX_UNIT_DIP, 4, getResources().getDisplayMetrics());
    searchIconCenterX = getIntent().getIntExtra(EXTRA_MENU_CENTER_X, 0);

    // translate icon to match the launching screen then animate back into position
    searchBackContainer.setTranslationX(searchBackDistanceX);
    searchBackContainer.animate().translationX(0f).setDuration(650L)
            .setInterpolator(AnimationUtils.loadInterpolator(this, android.R.interpolator.fast_out_slow_in));
    // transform from search icon to back icon
    AnimatedVectorDrawable searchToBack = (AnimatedVectorDrawable) ContextCompat.getDrawable(this,
            R.drawable.avd_search_to_back);
    searchBack.setImageDrawable(searchToBack);
    searchToBack.start();
    // for some reason the animation doesn't always finish (leaving a part arrow!?) so after
    // the animation set a static drawable. Also animation callbacks weren't added until API23
    // so using post delayed :(
    // TODO fix properly!!
    searchBack.postDelayed(new Runnable() {
        @Override
        public void run() {
            searchBack.setImageDrawable(
                    ContextCompat.getDrawable(SearchActivity.this, R.drawable.ic_arrow_back_padded));
        }
    }, 600);

    // fade in the other search chrome
    searchBackground.animate().alpha(1f).setDuration(300L)
            .setInterpolator(AnimationUtils.loadInterpolator(this, android.R.interpolator.linear_out_slow_in));
    searchView.animate().alpha(1f).setStartDelay(400L).setDuration(400L)
            .setInterpolator(AnimationUtils.loadInterpolator(this, android.R.interpolator.linear_out_slow_in))
            .setListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    searchView.requestFocus();
                    ImeUtils.showIme(searchView);
                }
            });

    // animate in a scrim over the content behind
    scrim.getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
        @Override
        public boolean onPreDraw() {
            scrim.getViewTreeObserver().removeOnPreDrawListener(this);
            AnimatorSet showScrim = new AnimatorSet();
            showScrim.playTogether(
                    ViewAnimationUtils.createCircularReveal(scrim, searchIconCenterX,
                            searchBackground.getBottom(), 0,
                            (float) Math.hypot(searchBackDistanceX,
                                    scrim.getHeight() - searchBackground.getBottom())),
                    ObjectAnimator.ofArgb(scrim, ViewUtils.BACKGROUND_COLOR, Color.TRANSPARENT,
                            ContextCompat.getColor(SearchActivity.this, R.color.scrim)));
            showScrim.setDuration(400L);
            showScrim.setInterpolator(AnimationUtils.loadInterpolator(SearchActivity.this,
                    android.R.interpolator.linear_out_slow_in));
            showScrim.start();
            return false;
        }
    });
    onNewIntent(getIntent());
}

From source file:io.github.silencio_app.silencio.MainActivity.java

public void showGraph(View view) {
    View myView = findViewById(R.id.graph);

    // get the center for the clipping circle
    int cx = myView.getWidth() / 2;
    int cy = myView.getHeight() / 2;

    // get the final radius for the clipping circle
    float finalRadius = (float) Math.hypot(cx, cy);

    // create the animator for this view (the start radius is zero)
    Animator anim = ViewAnimationUtils.createCircularReveal(myView, cx, cy, 0, finalRadius);

    // make the graph and meter visible and start the animation
    myView.setVisibility(View.VISIBLE);
    //        db_meter.setVisibility(View.VISIBLE);
    anim.start();/*  www.  ja  va  2 s  .c  om*/
}

From source file:org.goodev.material.SearchActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_search);
    ButterKnife.bind(this);
    setupSearchView();/* w  w  w  . ja va 2  s  .  com*/
    if (UI.isLollipop()) {
        auto = TransitionInflater.from(this).inflateTransition(R.transition.auto);
    }

    dataManager = new SearchDataManager(this) {
        @Override
        public void onDataLoaded(List<Hit> data) {
            if (data != null && data.size() > 0) {
                if (results.getVisibility() != View.VISIBLE) {
                    if (UI.isLollipop()) {
                        TransitionManager.beginDelayedTransition(container, auto);
                    }
                    progress.setVisibility(View.GONE);
                    results.setVisibility(View.VISIBLE);
                }
                adapter.addAll(data);
                if (dataManager.getPage() == 0) {
                    results.scrollToPosition(0);
                }
            } else if (adapter.getItemCount() == 0) {
                if (UI.isLollipop()) {
                    TransitionManager.beginDelayedTransition(container, auto);
                }
                progress.setVisibility(View.GONE);
                setNoResultsVisibility(View.VISIBLE);
            } else {
                adapter.notifyDataSetChanged();
                Snackbar.make(results, R.string.no_more_posts, Snackbar.LENGTH_LONG).show();
            }
        }
    };
    adapter = new FeedAdapter(this, dataManager, columns);
    results.setAdapter(adapter);
    GridLayoutManager layoutManager = new GridLayoutManager(this, columns);
    //        layoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
    //            @Override
    //            public int getSpanSize(int position) {
    //                return adapter.getItemColumnSpan(position);
    //            }
    //        });
    results.setLayoutManager(layoutManager);
    results.addOnScrollListener(new InfiniteScrollListener(layoutManager, dataManager) {
        @Override
        public void onLoadMore() {
            dataManager.loadMore();
        }
    });
    results.setHasFixedSize(true);
    if (UI.isLollipop()) {
        results.addOnScrollListener(gridScroll);
    }

    // extract the search icon's location passed from the launching activity, minus 4dp to
    // compensate for different paddings in the views
    searchBackDistanceX = getIntent().getIntExtra(EXTRA_MENU_LEFT, 0) - (int) TypedValue
            .applyDimension(TypedValue.COMPLEX_UNIT_DIP, 4, getResources().getDisplayMetrics());
    searchIconCenterX = getIntent().getIntExtra(EXTRA_MENU_CENTER_X, 0);

    int interpolator = UI.isLollipop() ? android.R.interpolator.fast_out_slow_in
            : android.R.interpolator.accelerate_decelerate;
    int backInterpolator = UI.isLollipop() ? android.R.interpolator.linear_out_slow_in
            : android.R.interpolator.accelerate_decelerate;
    // translate icon to match the launching screen then animate back into position
    searchBackContainer.setTranslationX(searchBackDistanceX);
    searchBackContainer.animate().translationX(0f).setDuration(650L)
            .setInterpolator(AnimationUtils.loadInterpolator(this, interpolator));
    if (UI.isLollipop()) {
        // transform from search icon to back icon
        AnimatedVectorDrawable searchToBack = (AnimatedVectorDrawable) ContextCompat.getDrawable(this,
                R.drawable.avd_search_to_back);
        searchBack.setImageDrawable(searchToBack);
        searchToBack.start();
    } else {
        searchBack.setVisibility(View.INVISIBLE);
        searchBack.setImageResource(R.drawable.ic_arrow_back_padded);
    }
    // for some reason the animation doesn't always finish (leaving a part arrow!?) so after
    // the animation set a static drawable. Also animation callbacks weren't added until API23
    // so using post delayed :(
    // TODO fix properly!!
    searchBack.postDelayed(new Runnable() {
        @Override
        public void run() {
            searchBack.setImageDrawable(
                    ContextCompat.getDrawable(SearchActivity.this, R.drawable.ic_arrow_back_padded));
        }
    }, 600);

    // fade in the other search chrome
    searchBackground.animate().alpha(1f).setDuration(300L)
            .setInterpolator(AnimationUtils.loadInterpolator(this, backInterpolator));
    searchView.animate().alpha(1f).setStartDelay(400L).setDuration(400L)
            .setInterpolator(AnimationUtils.loadInterpolator(this, backInterpolator))
            .setListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    searchView.requestFocus();
                    ImeUtils.showIme(searchView);
                }
            });

    if (UI.isLollipop()) {
        // animate in a scrim over the content behind
        scrim.getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
            @TargetApi(Build.VERSION_CODES.LOLLIPOP)
            @Override
            public boolean onPreDraw() {
                scrim.getViewTreeObserver().removeOnPreDrawListener(this);
                AnimatorSet showScrim = new AnimatorSet();
                showScrim.playTogether(
                        ViewAnimationUtils.createCircularReveal(scrim, searchIconCenterX,
                                searchBackground.getBottom(), 0,
                                (float) Math.hypot(searchBackDistanceX,
                                        scrim.getHeight() - searchBackground.getBottom())),
                        ObjectAnimator.ofArgb(scrim, ViewUtils.BACKGROUND_COLOR, Color.TRANSPARENT,
                                ContextCompat.getColor(SearchActivity.this, R.color.scrim)));
                showScrim.setDuration(400L);
                showScrim.setInterpolator(
                        AnimationUtils.loadInterpolator(SearchActivity.this, backInterpolator));
                showScrim.start();
                return false;
            }
        });
    }

    onNewIntent(getIntent());
}

From source file:com.google.samples.apps.topeka.activity.QuizActivity.java

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void prepareCircularReveal(View startView, FrameLayout targetView) {
    int centerX = (startView.getLeft() + startView.getRight()) / 2;
    // Subtract the start view's height to adjust for relative coordinates on screen.
    int centerY = (startView.getTop() + startView.getBottom()) / 2 - startView.getHeight();
    float endRadius = (float) Math.hypot(centerX, centerY);
    mCircularReveal = ViewAnimationUtils.createCircularReveal(targetView, centerX, centerY,
            startView.getWidth(), endRadius);
    mCircularReveal.setInterpolator(new FastOutLinearInInterpolator());

    mCircularReveal.addListener(new AnimatorListenerAdapter() {
        @Override/* w  w w  .  j a va 2 s.c om*/
        public void onAnimationEnd(Animator animation) {
            mIcon.setVisibility(View.GONE);
            mCircularReveal.removeListener(this);
        }
    });
    // Adding a color animation from the FAB's color to transparent creates a dissolve like
    // effect to the circular reveal.
    int accentColor = ContextCompat.getColor(this, mCategory.getTheme().getAccentColor());
    mColorChange = ObjectAnimator.ofInt(targetView, ViewUtils.FOREGROUND_COLOR, accentColor, Color.TRANSPARENT);
    mColorChange.setEvaluator(new ArgbEvaluator());
    mColorChange.setInterpolator(mInterpolator);
}