Example usage for android.view View setAlpha

Introduction

In this page you can find the example usage for android.view View setAlpha.

Prototype

public void setAlpha(@FloatRange(from = 0.0, to = 1.0) float alpha) 

Source Link

Document

Sets the opacity of the view to a value from 0 to 1, where 0 means the view is completely transparent and 1 means the view is completely opaque.

Usage

From source file:com.hannesdorfmann.home.HomeActivity.java

private void popAnim(View v, int startDelay, int duration) {
    if (v != null) {
        v.setAlpha(0f);
        v.setScaleX(0f);//from   w  w  w  .j  a  v  a2 s. c  om
        v.setScaleY(0f);

        v.animate().alpha(1f).scaleX(1f).scaleY(1f).setStartDelay(startDelay).setDuration(duration)
                .setInterpolator(AnimationUtils.loadInterpolator(this, android.R.interpolator.overshoot));
    }
}

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From source file:com.gabm.fancyplaces.ui.MainWindow.java

@Override
public boolean onPrepareOptionsMenu(Menu menu) {
    menu.clear();//from  w w w  .  j  a v a  2  s.  c  om

    getMenuInflater().inflate(curState.curMenu, menu);

    Toolbar toolbar = (Toolbar) findViewById(R.id.main_window_toolbar);
    if (curState.curMenu == R.menu.menu_main_window_multi_select) {
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        toolbar.setTitle(getString(R.string.main_multi_selection_title));
        toolbar.setBackgroundColor(getResources().getColor(R.color.ColorPrimaryDark));
        int noOfChild = toolbar.getChildCount();
        View view;

        // animate toolbar elements
        for (int i = 1; i < noOfChild; i++) {
            view = toolbar.getChildAt(i);
            view.setAlpha(0);
            view.setScaleY(0);
            view.setPivotY((float) 0.5 * view.getHeight());
            view.animate().setDuration(200).scaleY(1).alpha(1);
        }

    } else if (curState.curMenu == R.menu.menu_main_window) {
        getSupportActionBar().setDisplayHomeAsUpEnabled(false);
        setDefaultTitle();
        toolbar.setBackgroundColor(getResources().getColor(R.color.ColorPrimary));
    }

    return super.onPrepareOptionsMenu(menu);
}

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From source file:im.ene.lab.attiq.ui.activities.HomeActivity.java

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    switch (requestCode) {
    case REQUEST_CODE_SEARCH:
        // reset the search icon which we hid
        View searchMenuView = mToolBar.findViewById(R.id.action_search);
        if (searchMenuView != null) {
            searchMenuView.setAlpha(1.f);
        }//w  w  w . ja  v a  2 s.co m
        break;
    case REQUEST_CODE_LOGIN:
        if (resultCode == RESULT_OK && data != null) {
            String callback = data.getStringExtra(EXTRA_AUTH_CALLBACK);
            Uri callbackUri = Uri.parse(callback);
            final String code = callbackUri.getQueryParameter("code");
            ApiClient.accessToken(code).enqueue(mOnTokenCallback);
        }
        break;
    default:
        break;
    }
}

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From source file:edward.com.recyclerview.BaseItemAnimator.java

void reset(View v) {
    v.setAlpha(1);
    v.setScaleY(1);//from w w  w. j  a  va  2  s .c o m
    v.setScaleX(1);
    v.setTranslationY(0);
    v.setTranslationX(0);
    v.setRotation(0);
    v.setRotationY(0);
    v.setRotationX(0);
    v.setPivotX(v.getMeasuredWidth() / 2);
    v.setPivotY(v.getMeasuredHeight() / 2);
    v.animate().setInterpolator(null);
}

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From source file:com.greatspeeches.helper.PagerSlidingTabStrip.java

private void updateTabStyles() {

    for (int i = 0; i < tabCount; i++) {

        View v = tabsContainer.getChildAt(i);

        v.setBackgroundResource(tabBackgroundResId);
        v.setAlpha(25f);

        if (v instanceof TextView) {

            TextView tab = (TextView) v;
            tab.setTextSize(TypedValue.COMPLEX_UNIT_PX, tabTextSize);
            tab.setTypeface(tabTypeface, tabTypefaceStyle);
            tab.setTextColor(tabTextColor);

            // setAllCaps() is only available from API 14, so the upper case is made manually if we are on a
            // pre-ICS-build
            if (textAllCaps) {
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
                    tab.setAllCaps(true);
                } else {
                    tab.setText(tab.getText().toString().toUpperCase(locale));
                }//w  w w  . j a v a 2s .co m
            }
        }
    }

}

---

From source file:android.support.transition.FadePort.java

@Override
public Animator onAppear(ViewGroup sceneRoot, TransitionValues startValues, int startVisibility,
        TransitionValues endValues, int endVisibility) {
    if ((mFadingMode & IN) != IN || endValues == null) {
        return null;
    }//from w  ww  . j a va 2  s  . c  om
    final View endView = endValues.view;
    if (DBG) {
        View startView = (startValues != null) ? startValues.view : null;
        Log.d(LOG_TAG, "Fade.onAppear: startView, startVis, endView, endVis = " + startView + ", "
                + startVisibility + ", " + endView + ", " + endVisibility);
    }
    endView.setAlpha(0);
    TransitionListener transitionListener = new TransitionListenerAdapter() {
        boolean mCanceled = false;

        float mPausedAlpha;

        @Override
        public void onTransitionCancel(TransitionPort transition) {
            endView.setAlpha(1);
            mCanceled = true;
        }

        @Override
        public void onTransitionEnd(TransitionPort transition) {
            if (!mCanceled) {
                endView.setAlpha(1);
            }
        }

        @Override
        public void onTransitionPause(TransitionPort transition) {
            mPausedAlpha = endView.getAlpha();
            endView.setAlpha(1);
        }

        @Override
        public void onTransitionResume(TransitionPort transition) {
            endView.setAlpha(mPausedAlpha);
        }
    };
    addListener(transitionListener);
    return createAnimation(endView, 0, 1, null);
}

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From source file:net.huannguyen.conductorexample.transition.DetailPopAnimChangeHandler.java

@NonNull
@Override/*from   w w w. j  a  va  2s  . co  m*/
protected Animator getAnimator(@NonNull ViewGroup container, @Nullable View from, @Nullable View to,
        boolean isPush, boolean toAddedToContainer) {

    // Make sure the from view is a CountryDetailView
    if (from == null || !(from instanceof CountryDetailView))
        throw new IllegalArgumentException("The from view must be a CountryDetailView");

    if (to == null)
        throw new IllegalArgumentException("The to view must not be null");

    final CountryDetailView detailView = (CountryDetailView) from;

    AnimatorSet animatorSet = new AnimatorSet();

    // Set the to View's alpha to 0 to hide it at the beginning.
    to.setAlpha(0);

    // Scale down to hide the fab button
    PropertyValuesHolder fabScaleX = PropertyValuesHolder.ofFloat(View.SCALE_X, 0);
    PropertyValuesHolder fabScaleY = PropertyValuesHolder.ofFloat(View.SCALE_Y, 0);
    Animator hideFabButtonAnimator = ObjectAnimator.ofPropertyValuesHolder(detailView.favouriteFab, fabScaleX,
            fabScaleY);

    // Slide up the flag
    Animator flagAnimator = ObjectAnimator.ofFloat(detailView.flagView, View.TRANSLATION_Y, 0,
            -detailView.flagView.getHeight());

    // Slide down the details
    Animator detailAnimator = ObjectAnimator.ofFloat(detailView.detailGroup, View.TRANSLATION_Y, 0,
            detailView.detailGroup.getHeight());

    // Show the new view
    Animator showToViewAnimator = ObjectAnimator.ofFloat(to, View.ALPHA, 0, 1);

    animatorSet.playTogether(hideFabButtonAnimator, flagAnimator, detailAnimator, showToViewAnimator);
    animatorSet.setDuration(300);
    animatorSet.setInterpolator(new FastOutLinearInInterpolator());

    animatorSet.start();

    return animatorSet;
}

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From source file:com.taobao.weex.ui.component.WXSliderNeighbor.java

private void updateScaleAndAlpha(View view, float alpha, float scale) {
    if (null == view) {
        return;/*from w  w w  .ja  v a  2s.com*/
    }
    if (alpha >= 0 && view.getAlpha() != alpha) {
        view.setAlpha(alpha);
    }
    if (scale >= 0 && view.getScaleX() != scale) {
        view.setScaleX(scale);
        view.setScaleY(scale);
    }
}

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From source file:com.sixbynine.infosessions.ui.PagerSlidingTabStrip.java

public void notifyDataSetChanged() {

    tabsContainer.removeAllViews();//from  ww  w.  j  a v  a2s .  c  o m

    tabCount = pager.getAdapter().getCount();

    for (int i = 0; i < tabCount; i++) {

        if (pager.getAdapter() instanceof IconTabProvider) {
            addIconTab(i, ((IconTabProvider) pager.getAdapter()).getPageIconResId(i));
        } else {
            addTextTab(i, pager.getAdapter().getPageTitle(i).toString());
        }

    }

    updateTabStyles();

    getViewTreeObserver().addOnGlobalLayoutListener(new OnGlobalLayoutListener() {

        @SuppressWarnings("deprecation")
        @SuppressLint("NewApi")
        @Override
        public void onGlobalLayout() {

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

            currentPosition = pager.getCurrentItem();
            scrollToChild(currentPosition, 0);
            for (int i = 0; i < tabCount; i++) {
                View v = tabsContainer.getChildAt(i);
                if (i == currentPosition) {
                    v.setAlpha(1f);
                } else {
                    v.setAlpha(0.6f);
                }
            }
        }
    });

}

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From source file:android.support.v17.leanback.app.OnboardingSupportFragment.java

private void startEnterAnimation() {
    mEnterTransitionFinished = true;/*from  ww w  .  j  a  va  2 s  .  com*/
    initializeViews(getView());
    List<Animator> animators = new ArrayList<>();
    Animator animator = AnimatorInflater.loadAnimator(getActivity(),
            R.animator.lb_onboarding_page_indicator_enter);
    animator.setTarget(getPageCount() <= 1 ? mStartButton : mPageIndicator);
    animators.add(animator);
    // Header title
    View view = getActivity().findViewById(R.id.title);
    view.setAlpha(0);
    animator = AnimatorInflater.loadAnimator(getActivity(), R.animator.lb_onboarding_title_enter);
    animator.setStartDelay(START_DELAY_TITLE_MS);
    animator.setTarget(view);
    animators.add(animator);
    // Header description
    view = getActivity().findViewById(R.id.description);
    view.setAlpha(0);
    animator = AnimatorInflater.loadAnimator(getActivity(), R.animator.lb_onboarding_description_enter);
    animator.setStartDelay(START_DELAY_DESCRIPTION_MS);
    animator.setTarget(view);
    animators.add(animator);
    // Customized animation by the inherited class.
    Animator customAnimator = onCreateEnterAnimation();
    if (customAnimator != null) {
        animators.add(customAnimator);
    }
    mAnimator = new AnimatorSet();
    mAnimator.playTogether(animators);
    mAnimator.start();
    // Search focus and give the focus to the appropriate child which has become visible.
    getView().requestFocus();
}

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