public void notifyDataSetChanged() {
tabsContainer.removeAllViews();
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);
}
});
}
public void notifyDataSetChanged() {
tabsContainer.removeAllViews();
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() {
@Override
public void onGlobalLayout() {
getViewTreeObserver().removeGlobalOnLayoutListener(this);
currentPosition = pager.getCurrentItem();
scrollToChild(currentPosition, 0);
}
});
}
/**
* Notifies the pager indicator that the data set has changed. Be sure to notify the pager as well
* (though you may wish to place that call in here yourself).
*/
public void notifyDataSetChanged() {
if (pager != null && pager.getAdapter() != null) {
// remove the old items (if any exist)
itemContainer.removeAllViews();
// I'm sure this could be optimised a lot more, eg,
// by reusing existing ImageViews, but it
// does the job well enough for now.
items.removeAll(items);
// now create the new items.
for (int i = 0; i < pager.getAdapter().getCount(); i++) {
ImageView item = new ImageView(context);
if (i == pager.getCurrentItem()) {
item.setImageResource(R.drawable.bulb_lit4);
} else {
item.setImageResource(R.drawable.bulb_unlit4);
}
item.setTag(i);
item.setOnClickListener(itemClickListener);
items.add(item);
itemContainer.addView(item);
}
}
}
@Test
public void shouldSetAndGetAdapter() throws Exception {
assertNull(pager.getAdapter());
pager.setAdapter(adapter);
assertSame(adapter, pager.getAdapter());
}
/** Initialize and add all tabs to the layout */
private void initTabs() {
removeAllViews();
mTabs.clear();
if (mAdapter == null) return;
for (int i = 0; i < mPager.getAdapter().getCount(); i++) {
final int index = i;
View tab = mAdapter.getView(i);
LinearLayout.LayoutParams params =
new LinearLayout.LayoutParams(0, LayoutParams.MATCH_PARENT, 1.0f);
tab.setLayoutParams(params);
this.addView(tab);
mTabs.add(tab);
if (i != mPager.getAdapter().getCount() - 1) {
this.addView(getSeparator());
}
tab.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View v) {
mPager.setCurrentItem(index);
}
});
}
selectTab(mPager.getCurrentItem());
}
public void setUpWithViewPager(final ViewPager viewPager) {
if (viewPager != null) {
viewPager.addOnPageChangeListener(
new ViewPager.OnPageChangeListener() {
@Override
public void onPageScrolled(
int position, float positionOffset, int positionOffsetPixels) {
mCurrentIndex = viewPager.getCurrentItem();
mNewIndex = position;
mPageOffset = positionOffset;
postInvalidate();
}
@Override
public void onPageSelected(int position) {}
@Override
public void onPageScrollStateChanged(int state) {}
});
if (viewPager.getAdapter() != null) {
count = viewPager.getAdapter().getCount();
}
}
}
private void drawRect(Canvas canvas) {
// modified by maddog05
if (mViewPager == null) return;
if (mViewPager.getAdapter() == null) return;
if (mViewPager.getAdapter().getCount() == 0) return;
// finish modified
float top = getPaddingTop();
float bottom = top + circleRadius * 2;
float moveDistance = circleRadius * 2 + circlePadding;
boolean isDragForward = mSelectedPage - mCurrentDragPage < 1;
float relativePageOffset = isDragForward ? mPageOffset : 1.0f - mPageOffset;
currentRelativePageOffset = relativePageOffset;
float shiftedOffset = relativePageOffset * OFFSET_MULTIPLIER_NORMAL;
float settleShiftedOffset =
Math.max(
0,
mapValue(
relativePageOffset,
startedSettlePageOffset,
1.0f,
startedSettleNormalOffset,
1.0f));
float normalOffset =
mState == ViewPager.SCROLL_STATE_SETTLING ? settleShiftedOffset : shiftedOffset;
currentNormalOffset = normalOffset;
float largerOffset =
Math.min(
mState == ViewPager.SCROLL_STATE_SETTLING
? relativePageOffset * OFFSET_MULTIPLIER_SETTLING
: relativePageOffset * OFFSET_MULTIPLIER_DRAG,
1.0f);
float circleCenter = getCircleCenter(isDragForward ? mCurrentDragPage : mSelectedPage);
float normal = moveDistance * normalOffset;
float large = moveDistance * largerOffset;
float left =
isDragForward ? circleCenter - circleRadius + normal : circleCenter - circleRadius - large;
float right =
isDragForward ? circleCenter + circleRadius + large : circleCenter + circleRadius - normal;
RectF rectF = new RectF(left, top, right, bottom);
canvas.drawRoundRect(rectF, circleRadius, circleRadius, activePaint);
}
public void initViewPager(ViewPager viewPager) {
// modified by maddog05
if (mViewPager == viewPager) return;
if (mViewPager != null) viewPager.addOnPageChangeListener(this);
if (viewPager.getAdapter() == null)
throw new IllegalStateException("ViewPager doesn't have an adapter instance.");
mViewPager = viewPager;
mViewPager.addOnPageChangeListener(this);
// finish modified
circleCount = viewPager.getAdapter().getCount();
mCurrentDragPage = viewPager.getCurrentItem();
invalidate();
}
public void addNewTab(String title) {
View tabView = View.inflate(mContext, R.layout.layout_tab, null);
if (mTitles != null) {
mTitles.add(title);
}
CharSequence pageTitle =
mTitles == null ? mViewPager.getAdapter().getPageTitle(mTabCount) : mTitles.get(mTabCount);
addTab(mTabCount, pageTitle.toString(), tabView);
this.mTabCount = mTitles == null ? mViewPager.getAdapter().getCount() : mTitles.size();
updateTabStyles();
}
/** 更新数据 */
public void notifyDataSetChanged() {
mTabsContainer.removeAllViews();
this.mTabCount = mTitles == null ? mViewPager.getAdapter().getCount() : mTitles.size();
View tabView;
for (int i = 0; i < mTabCount; i++) {
tabView = View.inflate(mContext, R.layout.layout_tab, null);
CharSequence pageTitle =
mTitles == null ? mViewPager.getAdapter().getPageTitle(i) : mTitles.get(i);
addTab(i, pageTitle.toString(), tabView);
}
updateTabStyles();
}
@Override
public void setViewPager(ViewPager view) {
if (view.getAdapter() == null) {
throw new IllegalStateException("ViewPager does not have adapter instance.");
}
if (!(view.getAdapter() instanceof TitleProvider)) {
throw new IllegalStateException(
"ViewPager adapter must implement TitleProvider to be used with TitlePageIndicator.");
}
mViewPager = view;
mViewPager.setOnPageChangeListener(this);
mTitleProvider = (TitleProvider) mViewPager.getAdapter();
invalidate();
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
Log.d(TAG, "onActivityResult: requestCode: " + requestCode);
Log.d(TAG, "onActivityResult: resultCode: " + resultCode);
pagerCity.getAdapter().notifyDataSetChanged();
pagerMaterial.getAdapter().notifyDataSetChanged();
getFragmentManager()
.beginTransaction()
// .setCustomAnimations(R.animator.slide_in_up, R.animator.slide_out_up)
.replace(R.id.frame, new CurrentlyFragment(), FRAGMENT_TAG)
.commit();
}
/** Notify the view that new data is available. */
public void notifyDatasetChanged() {
// remove all old child views
this.removeAllViews();
// add new tabs
for (int i = 0; i < mPager.getAdapter().getCount(); i++) {
addTab(i, ((ViewPagerTabProvider) mPager.getAdapter()).getTitle(i));
}
applyStyles();
calculateNewPositions(true);
this.requestLayout();
}
public static void removeCurItem(MenuItem item, int idx, ViewPager vp) {
for (int i = 0; i < vp.getAdapter().getCount(); i++) {
if (item.getItemId() == idx + i + 1) {
vp.setCurrentItem(i);
}
}
}
@Override
public void perform(UiController uiController, View view) {
ViewPager pager = (ViewPager) view;
int pagerLength = pager.getAdapter().getCount();
if (mNumSwipes != -1) {
pagerLength = Math.min(pagerLength, mNumSwipes);
}
for (int x = 1; x < pagerLength; x++) {
switch (mDirection) {
case LEFT:
pager.setCurrentItem(pagerLength - (x + 1), true);
uiController.loopMainThreadUntilIdle();
// If you'd like the ViewPager to pause
// on each swipe for human inspection
// replace loopMainThreadUntilIdle
// with:
// uiController.loopMainThreadForAtLeast(200);
break;
case RIGHT:
pager.setCurrentItem(x, true);
uiController.loopMainThreadUntilIdle();
// uiController.loopMainThreadForAtLeast(200);
break;
}
}
}
@Override
public void onListItemClick(ListView l, View v, int position, long id) {
super.onListItemClick(l, v, position, id);
Map<String, String> map = mLocalMusicAdapter.getItem(position);
// 取得铃声名
String ringName = map.get(WeacConstants.RING_NAME);
// 取得播放地址
String ringUrl = map.get(WeacConstants.RING_URL);
// 更新当前铃声选中的位置
mLocalMusicAdapter.updateSelection(ringName);
// 更新适配器刷新铃声列表显示
mLocalMusicAdapter.notifyDataSetChanged();
// 设置最后一次选中的铃声选择界面位置为本地音乐界面
RingSelectItem.getInstance().setRingPager(1);
// 播放音频文件
AudioPlayer.getInstance(getActivity()).play(ringUrl, false, false);
ViewPager pager = (ViewPager) getActivity().findViewById(R.id.fragment_ring_select_sort);
PagerAdapter f = pager.getAdapter();
SystemRingFragment systemRingFragment = (SystemRingFragment) f.instantiateItem(pager, 0);
RecorderFragment recorderFragment = (RecorderFragment) f.instantiateItem(pager, 2);
// 取消系统铃声选中标记
if (systemRingFragment.mSystemRingAdapter != null) {
systemRingFragment.mSystemRingAdapter.updateSelection("");
systemRingFragment.mSystemRingAdapter.notifyDataSetChanged();
}
// 取消录音选中标记
if (recorderFragment.mRecorderAdapter != null) {
recorderFragment.mRecorderAdapter.updateSelection("");
recorderFragment.mRecorderAdapter.notifyDataSetChanged();
}
}
private void setCurrentItem(int position) {
if (pager != null && pager.getAdapter() != null) {
int numberOfItems = pager.getAdapter().getCount();
for (int i = 0; i < numberOfItems; i++) {
ImageView item = items.get(i);
if (item != null) {
if (i == position) {
item.setImageResource(R.drawable.bulb_lit4);
} else {
item.setImageResource(R.drawable.bulb_unlit4);
}
}
}
}
}
/**
* 从这里开始构建导航栏
*
* @param viewPager
* @return
*/
public IMode builder(ViewPager viewPager) {
mViewPager = viewPager;
viewPager.addOnPageChangeListener(this);
mTabstrips = new ArrayList<Tabstrip>();
mTexts = new ArrayList<String>();
mCount = viewPager.getAdapter().getCount();
for (int i = 0; i < mCount; i++) {
mTexts.add(viewPager.getAdapter().getPageTitle(i).toString());
Tabstrip tabstrip = new Tabstrip(mContext);
tabstrip.setTabText(mTexts.get(i));
tabstrip.setTag(i);
tabstrip.setOnClickListener(this);
mTabstrips.add(tabstrip);
}
return this;
}
private CharSequence getTitle(int i) {
CharSequence title = mViewPager.getAdapter().getPageTitle(i);
if (title == null) {
title = EMPTY_TITLE;
}
return title;
}
@Override
public void onActivityCreated(final Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
viewpagerHolder = getActivity().findViewById(R.id.viewpager_holder);
fragmentHolder = getActivity().findViewById(R.id.frame_for_fragment);
pager = (ViewPager) viewpagerHolder.findViewById(R.id.pager);
if (pager.getAdapter() == null) {
fragmentAdapter = new MovieFragmentAdapter(getSupportFragmentManager(), 0);
pager.setAdapter(fragmentAdapter);
indicator = (TitlePageIndicator) viewpagerHolder.findViewById(R.id.indicator);
indicator.setViewPager(pager);
decoreIndicator();
setIndicatorListener();
}
fragmentHolder.setVisibility(View.GONE);
viewpagerHolder.setVisibility(View.VISIBLE);
}
private void populateTabStrip() {
final PagerAdapter adapter = mViewPager.getAdapter();
final View.OnClickListener tabClickListener = new TabClickListener();
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;
}
tabTitleView.setText(adapter.getPageTitle(i));
tabView.setOnClickListener(tabClickListener);
mTabStrip.addView(tabView);
}
}
@Test
public void viewPager_CurrentPage() {
MainActivity mainActivity = Robolectric.setupActivity(MainActivity.class);
ViewPager viewPager = (ViewPager) mainActivity.findViewById(R.id.viewPager);
assertEquals(viewPager.getCurrentItem(), 2);
assertEquals(viewPager.getAdapter().getPageTitle(2).toString(), "Today");
}
private void initViewPager() {
seekBar.setMax(viewPager.getAdapter().getCount() - 1);
seekBar.setOnSeekBarChangeListener(this);
seekBar.setProgress(viewPager.getCurrentItem());
viewPager.addOnPageChangeListener(
new ViewPager.OnPageChangeListener() {
@Override
public void onPageScrolled(
int position, float positionOffset, int positionOffsetPixels) {}
@Override
public void onPageSelected(int position) {
seekBar.setProgress(position);
updateCurPos(position, seekBar.getMax());
}
@Override
public void onPageScrollStateChanged(int state) {}
});
viewPager.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View v) {}
});
updateCurPos(seekBar.getProgress(), seekBar.getMax());
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
if (mViewPager == null) {
return;
}
final int count = mViewPager.getAdapter().getCount();
if (count == 0) {
return;
}
if (mCurrentPage >= count) {
setCurrentItem(count - 1);
return;
}
final int paddingLeft = getPaddingLeft();
final float pageWidth = (getWidth() - paddingLeft - getPaddingRight()) / (1f * count);
final float left = paddingLeft + pageWidth * (mCurrentPage + mPositionOffset);
final float right = left + pageWidth;
final float top = getPaddingTop();
final float bottom = getHeight() - getPaddingBottom();
canvas.drawRect(left, top, right, bottom, mPaint);
}
private void populateTabStrip() {
final PagerAdapter adapter = mViewPager.getAdapter();
final View.OnClickListener tabClickListener = new TabClickListener();
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 (mDistributeEvenly) {
LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) tabView.getLayoutParams();
lp.width = 0;
lp.weight = 1;
}
tabTitleView.setText(adapter.getPageTitle(i));
tabView.setOnClickListener(tabClickListener);
String desc = mContentDescriptions.get(i, null);
if (desc != null) {
tabView.setContentDescription(desc);
}
mTabStrip.addView(tabView);
if (i == mViewPager.getCurrentItem()) {
tabView.setSelected(true);
}
}
}
@Override
public void setViewPager(ViewPager viewPager) {
if (mViewPager == viewPager) {
return;
}
if (mViewPager != null) {
// Clear us from the old pager.
mViewPager.setOnPageChangeListener(null);
}
if (viewPager.getAdapter() == null) {
throw new IllegalStateException("ViewPager does not have adapter instance.");
}
mViewPager = viewPager;
mViewPager.setOnPageChangeListener(this);
invalidate();
post(
new Runnable() {
@Override
public void run() {
if (mFades) {
post(mFadeRunnable);
}
}
});
}
public void notifyDataSetChanged() {
mTabLayout.removeAllViews();
PagerAdapter adapter = mViewPager.getAdapter();
IconPagerAdapter iconAdapter = null;
if (adapter instanceof IconPagerAdapter) {
iconAdapter = (IconPagerAdapter) adapter;
}
final int count = adapter.getCount();
for (int i = 0; i < count; i++) {
CharSequence title = adapter.getPageTitle(i);
if (title == null) {
title = EMPTY_TITLE;
}
int iconResId = 0;
if (iconAdapter != null) {
iconResId = iconAdapter.getIconResId(i);
}
addTab(i, title, iconResId);
}
if (mSelectedTabIndex > count) {
mSelectedTabIndex = count - 1;
}
setCurrentItem(mSelectedTabIndex);
requestLayout();
}
@Subscribe
public void onUserRetrieved(UserRetrievedEvent event) {
CWUser u = event.getUser();
if (event.isTaskOver()) UserFragment.this.setRefresh(false);
if (event.getError() != null) {
Toast.makeText(getSherlockActivity(), event.getError().getMessage(), Toast.LENGTH_LONG)
.show();
return;
} else if (u == null) return;
if (UserFragment.this.username == null) {
UserFragment.this.username = u.getUsername();
SharedPreferences prefs =
PreferenceManager.getDefaultSharedPreferences(getSherlockActivity());
prefs.edit().putString(Constants.PREF_USERNAME, u.getUsername()).commit();
}
UserFragment.this.u = u;
refreshNavigationListAdapter();
if (pagerAdapter == null || viewPager.getAdapter() == null) {
viewPager.setAdapter(pagerAdapter = new PagerUserAdapter(getFragmentManager(), u));
pageIndicator.setViewPager(viewPager);
pageIndicator.setOnPageChangeListener(UserFragment.this);
pageIndicator.setBackgroundColor(getResources().getColor(R.color.coderwall_blue));
pageIndicator.setFooterColor(Color.WHITE);
pageIndicator.setFooterIndicatorStyle(IndicatorStyle.Triangle);
pageIndicator.setFooterLineHeight(0);
} else pagerAdapter.refreshUser(u);
}
/**
* Determines the width of this view
*
* @param measureSpec A measureSpec packed into an int
* @return The width of the view, honoring constraints from measureSpec
*/
private int measureLong(int measureSpec) {
int result = 0;
int specMode = MeasureSpec.getMode(measureSpec);
int specSize = MeasureSpec.getSize(measureSpec);
if ((specMode == MeasureSpec.EXACTLY) || (mViewPager == null)) {
// We were told how big to be
result = specSize;
} else {
// Calculate the width according the views count
final int count = mViewPager.getAdapter().getCount();
result =
(int)
(getPaddingLeft()
+ getPaddingRight()
+ (count * 2 * mRadius)
+ (count - 1) * mRadius
+ 1);
// Respect AT_MOST value if that was what is called for by measureSpec
if (specMode == MeasureSpec.AT_MOST) {
result = Math.min(result, specSize);
}
}
return result;
}
private void populateTabStrip() {
final PagerAdapter adapter = viewPager.getAdapter();
for (int i = 0; i < adapter.getCount(); i++) {
final View tabView =
(tabProvider == null)
? createDefaultTabView(adapter.getPageTitle(i))
: tabProvider.createTabView(tabStrip, i, adapter);
if (tabView == null) {
throw new IllegalStateException("tabView is null.");
}
if (distributeEvenly) {
LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) tabView.getLayoutParams();
lp.width = 0;
lp.weight = 1;
}
if (internalTabClickListener != null) {
tabView.setOnClickListener(internalTabClickListener);
}
tabStrip.addView(tabView);
if (i == viewPager.getCurrentItem()) {
tabView.setSelected(true);
}
}
}
