Example usage for android.view ViewTreeObserver addOnGlobalLayoutListener

Introduction

In this page you can find the example usage for android.view ViewTreeObserver addOnGlobalLayoutListener.

Prototype

public void addOnGlobalLayoutListener(OnGlobalLayoutListener listener) 

Source Link

Document

Register a callback to be invoked when the global layout state or the visibility of views within the view tree changes

Usage

From source file:android.support.v7.app.MediaRouteControllerDialog.java

private void startGroupListFadeInAnimation() {
    clearGroupListAnimation(true);//from   w  w  w.j  av a 2  s  .co m
    mVolumeGroupList.requestLayout();
    ViewTreeObserver observer = mVolumeGroupList.getViewTreeObserver();
    observer.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
        @Override
        public void onGlobalLayout() {
            mVolumeGroupList.getViewTreeObserver().removeGlobalOnLayoutListener(this);
            startGroupListFadeInAnimationInternal();
        }
    });
}

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From source file:android.support.v7.app.MediaRouteControllerDialog.java

private void animateGroupListItems(final Map<MediaRouter.RouteInfo, Rect> previousRouteBoundMap,
        final Map<MediaRouter.RouteInfo, BitmapDrawable> previousRouteBitmapMap) {
    mVolumeGroupList.setEnabled(false);/*from   w w  w . ja  va  2 s .  co  m*/
    mVolumeGroupList.requestLayout();
    mIsGroupListAnimating = true;
    ViewTreeObserver observer = mVolumeGroupList.getViewTreeObserver();
    observer.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
        @Override
        public void onGlobalLayout() {
            mVolumeGroupList.getViewTreeObserver().removeGlobalOnLayoutListener(this);
            animateGroupListItemsInternal(previousRouteBoundMap, previousRouteBitmapMap);
        }
    });
}

---

From source file:android.support.v7.app.MediaRouteControllerDialog.java

private void updateLayoutHeight(final boolean animate) {
    // We need to defer the update until the first layout has occurred, as we don't yet know the
    // overall visible display size in which the window this view is attached to has been
    // positioned in.
    mDefaultControlLayout.requestLayout();
    ViewTreeObserver observer = mDefaultControlLayout.getViewTreeObserver();
    observer.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
        @Override//from   ww  w . ja v  a 2 s  . c om
        public void onGlobalLayout() {
            mDefaultControlLayout.getViewTreeObserver().removeGlobalOnLayoutListener(this);
            if (mIsGroupListAnimating) {
                mIsGroupListAnimationPending = true;
            } else {
                updateLayoutHeightInternal(animate);
            }
        }
    });
}

---

From source file:com.google.samples.apps.iosched.ui.CurrentSessionActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    UIUtils.tryTranslateHttpIntent(this);
    BeamUtils.tryUpdateIntentFromBeam(this);
    boolean shouldBeFloatingWindow = false;
    if (shouldBeFloatingWindow) {
        setupFloatingWindow();/*from www.jav a2s.  c o  m*/
    }
    super.onCreate(savedInstanceState);
    mSessionId = getCurrentSessionId();
    if (mSessionId == null) {
        complainMissingCurrentTalkId();
    } else {
        setContentView(R.layout.activity_current_session);

        final Toolbar toolbar = getActionBarToolbar();
        toolbar.setNavigationIcon(shouldBeFloatingWindow ? R.drawable.ic_ab_close : R.drawable.ic_up);
        toolbar.setNavigationOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                finish();
            }
        });
        mHandler.post(new Runnable() {
            @Override
            public void run() {
                toolbar.setTitle("");
            }
        });

        mSessionUri = ScheduleContract.Sessions.buildSessionUri(mSessionId);

        mFABElevation = getResources().getDimensionPixelSize(R.dimen.fab_elevation);
        mMaxHeaderElevation = getResources().getDimensionPixelSize(R.dimen.session_detail_max_header_elevation);

        mTagColorDotSize = getResources().getDimensionPixelSize(R.dimen.tag_color_dot_size);

        mHandler = new Handler();

        if (mSpeakersImageLoader == null) {
            mSpeakersImageLoader = new ImageLoader(this, R.drawable.person_image_empty);
        }
        if (mNoPlaceholderImageLoader == null) {
            mNoPlaceholderImageLoader = new ImageLoader(this);
        }

        mScrollView = (ObservableScrollView) findViewById(R.id.scroll_view);
        mScrollView.addCallbacks(this);
        ViewTreeObserver vto = mScrollView.getViewTreeObserver();
        if (vto.isAlive()) {
            vto.addOnGlobalLayoutListener(mGlobalLayoutListener);
        }

        mScrollViewChild = findViewById(R.id.scroll_view_child);
        mScrollViewChild.setVisibility(View.INVISIBLE);

        mDetailsContainer = findViewById(R.id.details_container);
        mHeaderBox = findViewById(R.id.header_session);
        mTitle = (TextView) findViewById(R.id.session_title);
        mSubtitle = (TextView) findViewById(R.id.session_subtitle);
        mPhotoViewContainer = findViewById(R.id.session_photo_container);
        mPhotoView = (ImageView) findViewById(R.id.session_photo);

        mPlusOneButton = (PlusOneButton) findViewById(R.id.plus_one_button);
        mAbstract = (TextView) findViewById(R.id.session_abstract);
        mRequirements = (TextView) findViewById(R.id.session_requirements);
        mTags = (LinearLayout) findViewById(R.id.session_tags);
        mTagsContainer = (ViewGroup) findViewById(R.id.session_tags_container);

        mAddScheduleButton = (CheckableFrameLayout) findViewById(R.id.add_schedule_button);
        mAddScheduleButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                boolean starred = !mStarred;
                SessionsHelper helper = new SessionsHelper(CurrentSessionActivity.this);
                showStarred(starred, true);
                helper.setSessionStarred(mSessionUri, starred, mTitleString);
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
                    mAddScheduleButton.announceForAccessibility(
                            starred ? getString(R.string.session_details_a11y_session_added)
                                    : getString(R.string.session_details_a11y_session_removed));
                }

                /* [ANALYTICS:EVENT]
                 * TRIGGER:   Add or remove a session from My Schedule.
                 * CATEGORY:  'Session'
                 * ACTION:    'Starred' or 'Unstarred'
                 * LABEL:     Session title/subtitle.
                 * [/ANALYTICS]
                 */
                AnalyticsManager.sendEvent("Session", starred ? "Starred" : "Unstarred", mTitleString, 0L);
            }
        });

        ViewCompat.setTransitionName(mPhotoView, TRANSITION_NAME_PHOTO);

        LoaderManager manager = getLoaderManager();
        manager.initLoader(SessionsQuery._TOKEN, null, this);
        manager.initLoader(SpeakersQuery._TOKEN, null, this);
        manager.initLoader(TAG_METADATA_TOKEN, null, this);
    }
}

---

From source file:com.saarang.samples.apps.iosched.ui.SessionDetailActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    UIUtils.tryTranslateHttpIntent(this);
    BeamUtils.tryUpdateIntentFromBeam(this);
    boolean shouldBeFloatingWindow = shouldBeFloatingWindow();
    if (shouldBeFloatingWindow) {
        setupFloatingWindow();//from w w  w  .  ja v  a2 s . co m
    }

    super.onCreate(savedInstanceState);
    setContentView(com.saarang.samples.apps.iosched.R.layout.activity_session_detail);

    final Toolbar toolbar = getActionBarToolbar();
    toolbar.setNavigationIcon(shouldBeFloatingWindow ? com.saarang.samples.apps.iosched.R.drawable.ic_ab_close
            : com.saarang.samples.apps.iosched.R.drawable.ic_up);
    toolbar.setNavigationOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            finish();
        }
    });
    mHandler.post(new Runnable() {
        @Override
        public void run() {
            toolbar.setTitle("");
        }
    });

    if (savedInstanceState == null) {
        Uri sessionUri = getIntent().getData();
        BeamUtils.setBeamSessionUri(this, sessionUri);
    }

    mSessionUri = getIntent().getData();

    if (mSessionUri == null) {
        return;
    }

    mSessionId = ScheduleContract.Sessions.getSessionId(mSessionUri);

    mFABElevation = getResources()
            .getDimensionPixelSize(com.saarang.samples.apps.iosched.R.dimen.fab_elevation);
    mMaxHeaderElevation = getResources().getDimensionPixelSize(
            com.saarang.samples.apps.iosched.R.dimen.session_detail_max_header_elevation);

    mTagColorDotSize = getResources()
            .getDimensionPixelSize(com.saarang.samples.apps.iosched.R.dimen.tag_color_dot_size);

    mHandler = new Handler();

    if (mSpeakersImageLoader == null) {
        mSpeakersImageLoader = new ImageLoader(this,
                com.saarang.samples.apps.iosched.R.drawable.person_image_empty);
    }
    if (mNoPlaceholderImageLoader == null) {
        mNoPlaceholderImageLoader = new ImageLoader(this);
    }

    mScrollView = (ObservableScrollView) findViewById(com.saarang.samples.apps.iosched.R.id.scroll_view);
    mScrollView.addCallbacks(this);
    ViewTreeObserver vto = mScrollView.getViewTreeObserver();
    if (vto.isAlive()) {
        vto.addOnGlobalLayoutListener(mGlobalLayoutListener);
    }

    mScrollViewChild = findViewById(com.saarang.samples.apps.iosched.R.id.scroll_view_child);
    mScrollViewChild.setVisibility(View.INVISIBLE);

    mDetailsContainer = findViewById(com.saarang.samples.apps.iosched.R.id.details_container);
    mHeaderBox = findViewById(com.saarang.samples.apps.iosched.R.id.header_session);
    mTitle = (TextView) findViewById(com.saarang.samples.apps.iosched.R.id.session_title);
    mSubtitle = (TextView) findViewById(com.saarang.samples.apps.iosched.R.id.session_subtitle);
    mPhotoViewContainer = findViewById(com.saarang.samples.apps.iosched.R.id.session_photo_container);
    mPhotoView = (ImageView) findViewById(com.saarang.samples.apps.iosched.R.id.session_photo);

    mPlusOneButton = (PlusOneButton) findViewById(com.saarang.samples.apps.iosched.R.id.plus_one_button);
    mAbstract = (TextView) findViewById(com.saarang.samples.apps.iosched.R.id.session_abstract);
    mRequirements = (TextView) findViewById(com.saarang.samples.apps.iosched.R.id.session_requirements);
    mTags = (LinearLayout) findViewById(com.saarang.samples.apps.iosched.R.id.session_tags);
    mTagsContainer = (ViewGroup) findViewById(com.saarang.samples.apps.iosched.R.id.session_tags_container);

    mAddScheduleButton = (CheckableFrameLayout) findViewById(
            com.saarang.samples.apps.iosched.R.id.add_schedule_button);
    mAddScheduleButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            boolean starred = !mStarred;
            SessionsHelper helper = new SessionsHelper(SessionDetailActivity.this);
            showStarred(starred, true);
            helper.setSessionStarred(mSessionUri, starred, mTitleString);
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
                mAddScheduleButton.announceForAccessibility(starred
                        ? getString(
                                com.saarang.samples.apps.iosched.R.string.session_details_a11y_session_added)
                        : getString(
                                com.saarang.samples.apps.iosched.R.string.session_details_a11y_session_removed));
            }

            /* [ANALYTICS:EVENT]
             * TRIGGER:   Add or remove a session from My Schedule.
             * CATEGORY:  'Session'
             * ACTION:    'Starred' or 'Unstarred'
             * LABEL:     Session title/subtitle.
             * [/ANALYTICS]
             */
            AnalyticsManager.sendEvent("Session", starred ? "Starred" : "Unstarred", mTitleString, 0L);
        }
    });

    ViewCompat.setTransitionName(mPhotoView, TRANSITION_NAME_PHOTO);

    LoaderManager manager = getLoaderManager();
    manager.initLoader(SessionsQuery._TOKEN, null, this);
    manager.initLoader(SpeakersQuery._TOKEN, null, this);
    manager.initLoader(TAG_METADATA_TOKEN, null, this);
}

---

From source file:com.androzic.MapFragment.java

private void updateMapViewArea() {
    final ViewTreeObserver vto = map.getViewTreeObserver();
    vto.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
        @SuppressLint("NewApi")
        @SuppressWarnings("deprecation")
        public void onGlobalLayout() {
            View root = getView();
            Rect area = new Rect();
            map.getLocalVisibleRect(area);
            View v = root.findViewById(R.id.topbar);
            if (v != null)
                area.top = v.getBottom();
            v = root.findViewById(R.id.bottombar);
            if (v != null)
                area.bottom = v.getTop();
            v = root.findViewById(R.id.rightbar);
            if (v != null)
                area.right = v.getLeft();
            if (mapButtons.isShown()) {
                // Landscape mode
                if (v != null)
                    area.bottom = mapButtons.getTop();
                else
                    area.right = mapButtons.getLeft();
            }/*  w  w  w .jav a2 s .c o m*/
            if (!area.isEmpty())
                map.updateViewArea(area);
            ViewTreeObserver ob;
            if (vto.isAlive())
                ob = vto;
            else
                ob = map.getViewTreeObserver();

            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
                ob.removeGlobalOnLayoutListener(this);
            } else {
                ob.removeOnGlobalLayoutListener(this);
            }
        }
    });
}

---

From source file:androidx.mediarouter.app.MediaRouteControllerDialog.java

void startGroupListFadeInAnimation() {
    clearGroupListAnimation(true);//from   w w  w .  j  a va  2  s  . c o  m
    mVolumeGroupList.requestLayout();
    ViewTreeObserver observer = mVolumeGroupList.getViewTreeObserver();
    observer.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
        @Override
        public void onGlobalLayout() {
            mVolumeGroupList.getViewTreeObserver().removeGlobalOnLayoutListener(this);
            startGroupListFadeInAnimationInternal();
        }
    });
}

---

From source file:androidx.mediarouter.app.MediaRouteControllerDialog.java

void updateLayoutHeight(final boolean animate) {
    // We need to defer the update until the first layout has occurred, as we don't yet know the
    // overall visible display size in which the window this view is attached to has been
    // positioned in.
    mDefaultControlLayout.requestLayout();
    ViewTreeObserver observer = mDefaultControlLayout.getViewTreeObserver();
    observer.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
        @Override//from ww  w .j av a2s .c  o m
        public void onGlobalLayout() {
            mDefaultControlLayout.getViewTreeObserver().removeGlobalOnLayoutListener(this);
            if (mIsGroupListAnimating) {
                mIsGroupListAnimationPending = true;
            } else {
                updateLayoutHeightInternal(animate);
            }
        }
    });
}

---

From source file:de.dreier.mytargets.views.MaterialTapTargetPrompt.java

/**
 * Adds layout listener to view parent to capture layout changes.
 *//*from www.  ja  va  2s. co  m*/
private void addGlobalLayoutListener() {
    final ViewTreeObserver viewTreeObserver = getParentView().getViewTreeObserver();
    if (viewTreeObserver.isAlive()) {
        viewTreeObserver.addOnGlobalLayoutListener(mGlobalLayoutListener);
    }
}

---

From source file:com.android.incallui.CallCardFragment.java

@Override
public void animateForNewOutgoingCall() {
    final ViewGroup parent = (ViewGroup) mPrimaryCallCardContainer.getParent();

    final ViewTreeObserver observer = getView().getViewTreeObserver();

    mIsAnimating = true;//from  w w w  .  j a  va 2  s.co  m

    observer.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
        @Override
        public void onGlobalLayout() {
            final ViewTreeObserver observer = getView().getViewTreeObserver();
            if (!observer.isAlive()) {
                return;
            }
            observer.removeOnGlobalLayoutListener(this);

            final LayoutIgnoringListener listener = new LayoutIgnoringListener();
            mPrimaryCallCardContainer.addOnLayoutChangeListener(listener);

            // Prepare the state of views before the slide animation
            final int originalHeight = mPrimaryCallCardContainer.getHeight();
            mPrimaryCallCardContainer.setTag(R.id.view_tag_callcard_actual_height, originalHeight);
            mPrimaryCallCardContainer.setBottom(parent.getHeight());

            // Set up FAB.
            mFloatingActionButtonContainer.setVisibility(View.GONE);
            mFloatingActionButtonController.setScreenWidth(parent.getWidth());

            mCallButtonsContainer.setAlpha(0);
            mCallStateLabel.setAlpha(0);
            mPrimaryName.setAlpha(0);
            mCallTypeLabel.setAlpha(0);
            mCallNumberAndLabel.setAlpha(0);

            assignTranslateAnimation(mCallStateLabel, 1);
            assignTranslateAnimation(mCallStateIcon, 1);
            assignTranslateAnimation(mPrimaryName, 2);
            assignTranslateAnimation(mCallNumberAndLabel, 3);
            assignTranslateAnimation(mCallTypeLabel, 4);
            assignTranslateAnimation(mCallButtonsContainer, 5);

            final Animator animator = getShrinkAnimator(parent.getHeight(), originalHeight);

            animator.addListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    mPrimaryCallCardContainer.setTag(R.id.view_tag_callcard_actual_height, null);
                    setViewStatePostAnimation(listener);
                    mIsAnimating = false;
                    InCallPresenter.getInstance().onShrinkAnimationComplete();
                }
            });
            animator.start();
        }
    });
}

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