Example usage for android.support.v4.view PagerAdapter getCount

List of usage examples for android.support.v4.view PagerAdapter getCount

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Introduction

In this page you can find the example usage for android.support.v4.view PagerAdapter getCount.

Prototype

public abstract int getCount();

Source Link

Document

Return the number of views available.

Usage

From source file:com.layer_net.stepindicator.StepIndicator.java

public void setupWithViewPager(@NonNull ViewPager viewPager) {
    final PagerAdapter adapter = viewPager.getAdapter();
    if (adapter == null) {
        throw new IllegalArgumentException("ViewPager does not have a PagerAdapter set");
    }/*from  w w w . j ava 2s  .  c om*/
    withViewpager = true;
    // First we'll add Steps.
    setStepsCount(adapter.getCount());

    // Now we'll add our page change listener to the ViewPager
    viewPager.addOnPageChangeListener(new ViewPagerOnChangeListener(this));

    // Now we'll add a selected listener to set ViewPager's currentStepPosition item
    setOnClickListener(new ViewPagerOnSelectedListener(viewPager));

    // Make sure we reflect the currently set ViewPager item
    if (adapter.getCount() > 0) {
        final int curItem = viewPager.getCurrentItem();
        if (getCurrentStepPosition() != curItem) {
            setCurrentStepPosition(curItem);
            invalidate();
        }
    }
}

From source file:com.marshalchen.common.uimodule.modifysys.PagerTitleStrip.java

void updateText(final int currentItem, PagerAdapter adapter) {
    final int itemCount = adapter != null ? adapter.getCount() : 0;
    mUpdatingText = true;/*from   ww w.  j a  va 2  s .c o m*/

    CharSequence text = null;
    if (currentItem >= 1 && adapter != null) {
        text = adapter.getPageTitle(currentItem - 1);
    }
    Logs.d("text---" + text + "   " + currentItem);
    //if (text!=null){
    mPrevText.setText(text);
    if (currentItem == 1) {
        if (text != null)
            mPrevText.setText(changeSpanString(text.toString(), 0, 2));
    }
    // }
    mCurrText.setText(adapter != null && currentItem < itemCount
            ? changeSpanString(adapter.getPageTitle(currentItem).toString(), currentItem, 1)
            : null);

    //        if (adapter != null && currentItem < itemCount){
    //            final String tempString=adapter.getPageTitle(currentItem).toString();
    //            final int tempInt=currentItem;
    //            new Thread() {
    //                /**
    //                 * Calls the <code>run()</code> method of the Runnable object the receiver
    //                 * holds. If no Runnable is set, does nothing.
    //                 *
    //                 * @see Thread#start
    //                 */
    //                @Override
    //                public void run() {
    //                    super.run();
    //                    try {
    //                        sleep(1000);
    //                        Bundle bundle=new Bundle();
    //                        bundle.putString("string",tempString);
    //                        bundle.putInt("int",tempInt);
    //                        HandlerUtils.sendMessageHandler(textHandler,1,bundle);
    //                    } catch (InterruptedException e) {
    //                        e.printStackTrace();
    //                        Logs.e(e, "");
    //                    }
    //                }
    //            }.start();
    //    }else{
    //            HandlerUtils.sendMessageHandler(textHandler,2);
    //        }

    text = null;
    if (currentItem + 1 < itemCount && adapter != null) {
        text = adapter.getPageTitle(currentItem + 1);
    }
    Logs.d("text---" + text + "   " + currentItem);
    //if (text!=null){
    mNextText.setText(text);
    if (currentItem == 0) {
        if (text != null)
            mNextText.setText(changeSpanString(text.toString(), 1, 2));
    }
    // }

    // Measure everything
    final int width = getWidth() - getPaddingLeft() - getPaddingRight();
    final int childHeight = getHeight() - getPaddingTop() - getPaddingBottom();
    final int childWidthSpec = MeasureSpec.makeMeasureSpec((int) (width * 0.8f), MeasureSpec.AT_MOST);
    final int childHeightSpec = MeasureSpec.makeMeasureSpec(childHeight, MeasureSpec.AT_MOST);
    mPrevText.measure(childWidthSpec, childHeightSpec);
    mCurrText.measure(childWidthSpec, childHeightSpec);
    mNextText.measure(childWidthSpec, childHeightSpec);

    mLastKnownCurrentPage = currentItem;

    if (!mUpdatingPositions) {
        updateTextPositions(currentItem, mLastKnownPositionOffset, false);
    }

    mUpdatingText = false;
}

From source file:com.itsronald.widget.ViewPagerIndicator.java

private void updateIndicators(int currentPage, @Nullable PagerAdapter pagerAdapter) {
    isUpdatingIndicator = true;//from   w w  w. j a  va 2 s .c  o  m

    final int pageCount = pagerAdapter == null ? 0 : pagerAdapter.getCount();
    updateDotCount(pageCount);

    lastKnownCurrentPage = currentPage;

    if (!isUpdatingPositions) {
        updateIndicatorPositions(currentPage, lastKnownPositionOffset, false);
    }

    isUpdatingIndicator = false;
}

From source file:com.mugu.mp3prayer.utils.PagerSlidingTabStrip.java

/**
 * Tab??/*from  w  ww  .  j a v  a  2  s. c  o  m*/
 * */
public void notifyDataSetChanged() {
    tabsContainer.removeAllViews();

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

    if (adapter instanceof ViewTabProvider) {
        ViewTabProvider provider = (ViewTabProvider) adapter;
        for (int i = 0; i < tabCount; i++) {
            addTab(i, provider.getPageTabView(i));
        }
    } else if (adapter instanceof IconTabProvider) {
        IconTabProvider provider = (IconTabProvider) adapter;
        for (int i = 0; i < tabCount; i++) {
            addIconTab(i, provider.getPageIconResId(i));
        }
    } else {
        for (int i = 0; i < tabCount; i++) {
            addTextTab(i, adapter.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);
        }
    });

}

From source file:com.luckybuy.ctrls.SlidingTabLayout.java

private void populateTabStrip() {
    final PagerAdapter adapter = (mViewPager != null) ? mViewPager.getAdapter() : null;
    final OnClickListener tabClickListener = new TabClickListener();
    int nTabCount = (mSlidingTabAdapter != null) ? mSlidingTabAdapter.getTabCount()
            : ((adapter != null) ? adapter.getCount() : 0);
    for (int i = 0; i < nTabCount; i++) {
        View tabView = null;//from w w w  .j  av a  2 s  . c o m
        TextView tabTitleView = null;

        if (mTabViewLayoutId != 0) {
            // If there is a custom tab view layout id set, try and inflate it
            tabView = LayoutInflater.from(getContext()).inflate(mTabViewLayoutId, mTabStrip, false);
            tabTitleView = (TextView) tabView.findViewById(mTabViewTextViewId);
        }

        if (tabView == null) {
            tabView = createDefaultTabView(getContext());
        }

        if (tabTitleView == null && TextView.class.isInstance(tabView)) {
            tabTitleView = (TextView) tabView;
        }

        tabTitleView.setText((mSlidingTabAdapter != null) ? mSlidingTabAdapter.GetTabText(i)
                : ((adapter != null) ? adapter.getPageTitle(i) : ""));
        tabView.setOnClickListener(tabClickListener);

        mTabStrip.addView(tabView);
    }
}

From source file:com.example.fragmentdemo.views.PagerSlidingTabStrip.java

public void notifyDataSetChanged() {

    tabsContainer.removeAllViews();/* ww  w.j  a  va 2s.  c  o  m*/

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

    IconPagerAdapter iconAdapter = null;
    int iLayoutResId = 0;
    int iTextId = 0;
    int iIconLocation = 0;
    if (adapter instanceof IconPagerAdapter) {
        iconAdapter = (IconPagerAdapter) adapter;
        iLayoutResId = iconAdapter.getLayoutResId();
        iTextId = iconAdapter.getTextResId();
        iIconLocation = iconAdapter.getIconLocation();
    }
    for (int i = 0; i < tabCount; i++) {
        CharSequence title = adapter.getPageTitle(i);

        int iconResId = 0;
        if (iconAdapter != null) {
            iconResId = iconAdapter.getIconResId(i);

        }
        addTab(i, title, iconResId, iLayoutResId, iTextId, iIconLocation);
        // 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() {

        @Override
        public void onGlobalLayout() {
            getViewTreeObserver().removeGlobalOnLayoutListener(this);
            currentPosition = pager.getCurrentItem();
            scrollToChild(currentPosition, 0);
        }
    });

}

From source file:com.quran.labs.androidquran.widgets.SlidingTabLayout.java

private void populateTabStrip() {
    final PagerAdapter adapter = mViewPager.getAdapter();
    final View.OnClickListener tabClickListener = new TabClickListener();

    final DisplayMetrics metrics = getResources().getDisplayMetrics();
    final float fontSize = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, TAB_VIEW_TEXT_SIZE_SP,
            metrics);/*w  w w .j a va 2  s.  c o  m*/
    final TextPaint paint = new TextPaint();
    paint.setTextSize(fontSize);
    paint.setTypeface(Typeface.DEFAULT_BOLD);

    int targetWidth = 0;
    final int tabs = adapter.getCount();
    for (int i = 0; i < tabs; i++) {
        String str = adapter.getPageTitle(i).toString();
        str = str.toUpperCase(Locale.getDefault());

        int width = (int) paint.measureText(str);
        width = width + 2 * mTabPadding;
        if (width > targetWidth) {
            targetWidth = width;
        }
    }

    if (targetWidth * tabs < metrics.widthPixels) {
        targetWidth = metrics.widthPixels / tabs;
    }

    for (int i = 0; i < adapter.getCount(); i++) {
        View tabView = null;
        TextView tabTitleView = null;

        if (mTabViewLayoutId != 0) {
            // If there is a custom tab view layout id set, try and inflate it
            tabView = LayoutInflater.from(getContext()).inflate(mTabViewLayoutId, mTabStrip, false);
            tabTitleView = (TextView) tabView.findViewById(mTabViewTextViewId);
        }

        if (tabView == null) {
            tabView = createDefaultTabView(getContext());
        }

        if (tabTitleView == null && TextView.class.isInstance(tabView)) {
            tabTitleView = (TextView) tabView;
        }

        if (tabTitleView != null) {
            tabTitleView.setText(adapter.getPageTitle(i));
        }
        tabView.setOnClickListener(tabClickListener);

        final LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(targetWidth,
                ViewGroup.LayoutParams.WRAP_CONTENT);
        mTabStrip.addView(tabView, params);
    }
}

From source file:com.guerinet.materialtabs.TabLayout.java

/**
 * Sets the associated view pager. Note that the assumption here is that the pager content
 * (number of tabs and tab titles) does not change after this call has been made.
 *
 * @param viewPager The {@link ViewPager}
 *///from  w w w .  j  a  v  a  2 s.  c  om
public void setViewPager(ViewPager viewPager) {
    //Remove all existing views
    clear();

    mViewPager = viewPager;
    if (viewPager != null) {
        viewPager.setOnPageChangeListener(new InternalViewPagerListener());
        //Get the tab titles
        List<String> titles = new ArrayList<>();
        PagerAdapter adapter = mViewPager.getAdapter();
        if (adapter == null) {
            throw new IllegalStateException("ViewPager needs to have an adapter set up");
        }

        for (int i = 0; i < adapter.getCount(); i++) {
            titles.add(adapter.getPageTitle(i).toString());
        }

        addTabs(new TabClickListener(), mViewPager.getCurrentItem(), titles);
    }
}

From source file:com.qiscus.sdk.filepicker.util.TabLayoutHelper.java

private void setTabsFromPagerAdapter(@NonNull TabLayout tabLayout, @Nullable PagerAdapter adapter,
        int currentItem) {
    try {// w ww  .jav a 2 s  .co  m
        duringSetTabsFromPagerAdapter = true;

        int prevSelectedTab = tabLayout.getSelectedTabPosition();
        int prevScrollX = tabLayout.getScrollX();

        // remove all tabs
        tabLayout.removeAllTabs();

        // add tabs
        if (adapter != null) {
            int count = adapter.getCount();
            for (int i = 0; i < count; i++) {
                TabLayout.Tab tab = createNewTab(tabLayout, adapter, i);
                tabLayout.addTab(tab, false);
                updateTab(tab);
            }

            // select current tab
            currentItem = Math.min(currentItem, count - 1);
            if (currentItem >= 0) {
                tabLayout.getTabAt(currentItem).select();
            }
        }

        // adjust tab mode & gravity
        if (autoAdjustTabMode) {
            adjustTabMode(prevScrollX);
        } else {
            // restore scroll position if needed
            int curTabMode = tabLayout.getTabMode();
            if (curTabMode == TabLayout.MODE_SCROLLABLE) {
                tabLayout.scrollTo(prevScrollX, 0);
            }
        }
    } finally {
        duringSetTabsFromPagerAdapter = false;
    }
}

From source file:com.icenler.lib.view.LivingTabsLayout.java

@Override
public void setupWithViewPager(@NonNull ViewPager viewPager) {
    final PagerAdapter adapter = viewPager.getAdapter();

    DrawableResIconAdapter drawableResIconAdapter = null;
    DrawableIconAdapter drawableIconAdapter = null;

    boolean isDrawableResAdapter;
    if ((isDrawableResAdapter = adapter instanceof DrawableResIconAdapter)) {
        drawableResIconAdapter = (DrawableResIconAdapter) adapter;
    } else if (adapter instanceof DrawableIconAdapter) {
        drawableIconAdapter = (DrawableIconAdapter) adapter;
    } else {/*from  w  w  w. j a  v a  2 s.  c o m*/
        throw new IllegalArgumentException(
                "ViewPager's adapter must implement either DrawableIconAdapter or DrawableResIconAdapter");
    }
    super.setupWithViewPager(viewPager);

    final int selectedTabPosition = getSelectedTabPosition();
    final int count = adapter.getCount();
    if (tabs == null)
        tabs = new ArrayList<>(count);
    else {
        tabs.clear();
    }
    for (int i = 0; i < count; ++i) {
        Tab t = super.getTabAt(i);
        if (isDrawableResAdapter)
            t.setIcon(drawableResIconAdapter.getIcon(i));
        else
            t.setIcon(drawableIconAdapter.getIcon(i));
        final LivingTab tab = newLivingTab(t);
        //  .setText(adapter.getPageTitle(i))
        //.setIcon(icons.get(i));
        addTab(tab);

        if (i != selectedTabPosition) {
            final TextView textView = tab.textView;
            textView.setScaleY(SCALE_HIDDEN);
            textView.setScaleX(SCALE_HIDDEN);
        } else {
            final ImageView iconView = tab.iconView;
            iconView.setScaleY(SCALE_HIDDEN);
            iconView.setScaleX(SCALE_HIDDEN);
        }
    }

    viewPager.addOnPageChangeListener(new LivingTabsOnPageChangeListener(this));
}