| | |
| | | |
| | | import static android.view.ViewGroup.LayoutParams.MATCH_PARENT; |
| | | import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT; |
| | | |
| | | import android.annotation.SuppressLint; |
| | | import android.content.Context; |
| | | import android.content.res.Resources; |
| | |
| | | import android.widget.LinearLayout; |
| | | import android.widget.TextView; |
| | | |
| | | import com.lcjian.library.util.common.DimenUtils; |
| | | |
| | | /** |
| | | * This widget implements the dynamic action bar tab behavior that can change |
| | | * across different configurations or circumstances. |
| | | */ |
| | | public class MainTabPageIndicator extends HorizontalScrollView implements |
| | | PageIndicator { |
| | | /** Title text used when no title is provided by the adapter. */ |
| | | private static final CharSequence EMPTY_TITLE = ""; |
| | | PageIndicator { |
| | | /** |
| | | * Title text used when no title is provided by the adapter. |
| | | */ |
| | | private static final CharSequence EMPTY_TITLE = ""; |
| | | |
| | | /** |
| | | * Interface for a callback when the selected tab has been reselected. |
| | | */ |
| | | public interface OnTabReselectedListener { |
| | | /** |
| | | * Callback when the selected tab has been reselected. |
| | | * |
| | | * @param position |
| | | * Position of the current center item. |
| | | */ |
| | | void onTabReselected(int position); |
| | | } |
| | | /** |
| | | * Interface for a callback when the selected tab has been reselected. |
| | | */ |
| | | public interface OnTabReselectedListener { |
| | | /** |
| | | * Callback when the selected tab has been reselected. |
| | | * |
| | | * @param position Position of the current center item. |
| | | */ |
| | | void onTabReselected(int position); |
| | | } |
| | | |
| | | private Runnable mTabSelector; |
| | | /** |
| | | * ViewPager中tab的点击事件 |
| | | */ |
| | | private final OnClickListener mTabClickListener = new OnClickListener() { |
| | | public void onClick(View view) { |
| | | TabView tabView = (TabView) view; |
| | | final int oldSelected = mViewPager.getCurrentItem(); |
| | | final int newSelected = tabView.getIndex(); |
| | | mViewPager.setCurrentItem(newSelected); |
| | | if (oldSelected == newSelected && mTabReselectedListener != null) { |
| | | mTabReselectedListener.onTabReselected(newSelected); |
| | | } |
| | | } |
| | | }; |
| | | private Runnable mTabSelector; |
| | | /** |
| | | * ViewPager中tab的点击事件 |
| | | */ |
| | | private final OnClickListener mTabClickListener = new OnClickListener() { |
| | | public void onClick(View view) { |
| | | TabView tabView = (TabView) view; |
| | | final int oldSelected = mViewPager.getCurrentItem(); |
| | | final int newSelected = tabView.getIndex(); |
| | | mViewPager.setCurrentItem(newSelected); |
| | | if (oldSelected == newSelected && mTabReselectedListener != null) { |
| | | mTabReselectedListener.onTabReselected(newSelected); |
| | | } |
| | | } |
| | | }; |
| | | |
| | | private final IcsLinearLayout mTabLayout; |
| | | private final IcsLinearLayout mTabLayout; |
| | | |
| | | private ViewPager mViewPager; |
| | | private ViewPager.OnPageChangeListener mListener; |
| | | private ViewPager mViewPager; |
| | | private ViewPager.OnPageChangeListener mListener; |
| | | |
| | | private int mMaxTabWidth; |
| | | private int mSelectedTabIndex; |
| | | private int mMaxTabWidth; |
| | | private int mSelectedTabIndex; |
| | | |
| | | private OnTabReselectedListener mTabReselectedListener; |
| | | private OnTabReselectedListener mTabReselectedListener; |
| | | |
| | | public MainTabPageIndicator(Context context) { |
| | | this(context, null); |
| | | } |
| | | public MainTabPageIndicator(Context context) { |
| | | this(context, null); |
| | | } |
| | | |
| | | public MainTabPageIndicator(Context context, AttributeSet attrs) { |
| | | super(context, attrs); |
| | | setHorizontalScrollBarEnabled(false); |
| | | public MainTabPageIndicator(Context context, AttributeSet attrs) { |
| | | super(context, attrs); |
| | | setHorizontalScrollBarEnabled(false); |
| | | |
| | | mTabLayout = new IcsLinearLayout(context, |
| | | R.attr.vpiTabPageIndicatorStyle); |
| | | addView(mTabLayout, new ViewGroup.LayoutParams(WRAP_CONTENT, |
| | | MATCH_PARENT)); |
| | | } |
| | | mTabLayout = new IcsLinearLayout(context, |
| | | R.attr.vpiTabPageIndicatorStyle); |
| | | addView(mTabLayout, new ViewGroup.LayoutParams(WRAP_CONTENT, |
| | | MATCH_PARENT)); |
| | | } |
| | | |
| | | public void setOnTabReselectedListener(OnTabReselectedListener listener) { |
| | | mTabReselectedListener = listener; |
| | | } |
| | | public void setOnTabReselectedListener(OnTabReselectedListener listener) { |
| | | mTabReselectedListener = listener; |
| | | } |
| | | |
| | | @Override |
| | | public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| | | final int widthMode = MeasureSpec.getMode(widthMeasureSpec); |
| | | final boolean lockedExpanded = widthMode == MeasureSpec.EXACTLY; |
| | | setFillViewport(lockedExpanded); |
| | | @Override |
| | | public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| | | final int widthMode = MeasureSpec.getMode(widthMeasureSpec); |
| | | final boolean lockedExpanded = widthMode == MeasureSpec.EXACTLY; |
| | | setFillViewport(lockedExpanded); |
| | | |
| | | final int childCount = mTabLayout.getChildCount(); |
| | | if (childCount > 1 |
| | | && (widthMode == MeasureSpec.EXACTLY || widthMode == MeasureSpec.AT_MOST)) { |
| | | if (childCount > 2) { |
| | | mMaxTabWidth = (int) (MeasureSpec.getSize(widthMeasureSpec) * 0.4f); |
| | | } else { |
| | | mMaxTabWidth = MeasureSpec.getSize(widthMeasureSpec) / 2; |
| | | } |
| | | } else { |
| | | mMaxTabWidth = -1; |
| | | } |
| | | final int childCount = mTabLayout.getChildCount(); |
| | | if (childCount > 1 |
| | | && (widthMode == MeasureSpec.EXACTLY || widthMode == MeasureSpec.AT_MOST)) { |
| | | if (childCount > 2) { |
| | | mMaxTabWidth = (int) (MeasureSpec.getSize(widthMeasureSpec) * 0.4f); |
| | | } else { |
| | | mMaxTabWidth = MeasureSpec.getSize(widthMeasureSpec) / 2; |
| | | } |
| | | } else { |
| | | mMaxTabWidth = -1; |
| | | } |
| | | |
| | | final int oldWidth = getMeasuredWidth(); |
| | | super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| | | final int newWidth = getMeasuredWidth(); |
| | | final int oldWidth = getMeasuredWidth(); |
| | | super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| | | final int newWidth = getMeasuredWidth(); |
| | | |
| | | if (lockedExpanded && oldWidth != newWidth) { |
| | | // Recenter the tab display if we're at a new (scrollable) size. |
| | | setCurrentItem(mSelectedTabIndex); |
| | | } |
| | | } |
| | | if (lockedExpanded && oldWidth != newWidth) { |
| | | // Recenter the tab display if we're at a new (scrollable) size. |
| | | setCurrentItem(mSelectedTabIndex); |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 单个Tab |
| | | * |
| | | * @param position |
| | | */ |
| | | @SuppressLint("ResourceAsColor") |
| | | private void animateToTab(final int position) { |
| | | final View tabView = mTabLayout.getChildAt(position); |
| | | if (mTabSelector != null) { |
| | | removeCallbacks(mTabSelector); |
| | | } |
| | | for (int i = 0; i < mTabLayout.getChildCount(); i++) { |
| | | ((TextView) mTabLayout.getChildAt(i)).setTextSize( |
| | | TypedValue.COMPLEX_UNIT_SP, 18); |
| | | ((TextView) mTabLayout.getChildAt(i)).setTextColor(Color.argb(255, |
| | | 255, 255, 255)); |
| | | } |
| | | ((TextView) tabView).setTextColor(Color.argb(255, 255, 243, 46)); |
| | | mTabSelector = new Runnable() { |
| | | public void run() { |
| | | final int scrollPos = tabView.getLeft() |
| | | - (getWidth() - tabView.getWidth()) / 2; |
| | | smoothScrollTo(scrollPos, 0); |
| | | /** |
| | | * 单个Tab |
| | | * |
| | | * @param position |
| | | */ |
| | | @SuppressLint("ResourceAsColor") |
| | | private void animateToTab(final int position) { |
| | | final View tabView = mTabLayout.getChildAt(position); |
| | | if (mTabSelector != null) { |
| | | removeCallbacks(mTabSelector); |
| | | } |
| | | for (int i = 0; i < mTabLayout.getChildCount(); i++) { |
| | | ((TextView) mTabLayout.getChildAt(i)).setTextSize( |
| | | TypedValue.COMPLEX_UNIT_SP, 15); |
| | | ((TextView) mTabLayout.getChildAt(i)).setTextColor(Color.parseColor("#999999")); |
| | | } |
| | | ((TextView) tabView).setTextColor(Color.WHITE); |
| | | ((TextView) tabView).setTextSize( |
| | | TypedValue.COMPLEX_UNIT_SP, 20); |
| | | // ((TextView) tabView).setLayoutParams(new ViewGroup.LayoutParams(WRAP_CONTENT,WRAP_CONTENT)); |
| | | mTabSelector = new Runnable() { |
| | | public void run() { |
| | | final int scrollPos = tabView.getLeft() |
| | | - (getWidth() - tabView.getWidth()) / 2; |
| | | smoothScrollTo(scrollPos, 0); |
| | | |
| | | mTabSelector = null; |
| | | } |
| | | }; |
| | | post(mTabSelector); |
| | | } |
| | | mTabSelector = null; |
| | | } |
| | | }; |
| | | post(mTabSelector); |
| | | } |
| | | |
| | | /** |
| | | * 根据手机的分辨率从 sp 的单位 转成为 px(像素) |
| | | */ |
| | | public static int spToPixels(int sp, Context context) { |
| | | Resources r = context.getResources(); |
| | | float px = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, sp, |
| | | r.getDisplayMetrics()); |
| | | return (int) px; |
| | | } |
| | | |
| | | /** |
| | | * 根据手机的分辨率从 dp 的单位 转成为 px(像素) |
| | | */ |
| | | public static int dipToPixels(int dip, Context context) { |
| | | Resources r = context.getResources(); |
| | | float px = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dip, |
| | | r.getDisplayMetrics()); |
| | | return (int) px; |
| | | } |
| | | @Override |
| | | public void onAttachedToWindow() { |
| | | super.onAttachedToWindow(); |
| | | if (mTabSelector != null) { |
| | | // Re-post the selector we saved |
| | | post(mTabSelector); |
| | | } |
| | | } |
| | | |
| | | @Override |
| | | public void onAttachedToWindow() { |
| | | super.onAttachedToWindow(); |
| | | if (mTabSelector != null) { |
| | | // Re-post the selector we saved |
| | | post(mTabSelector); |
| | | } |
| | | } |
| | | @Override |
| | | public void onDetachedFromWindow() { |
| | | super.onDetachedFromWindow(); |
| | | if (mTabSelector != null) { |
| | | removeCallbacks(mTabSelector); |
| | | } |
| | | } |
| | | |
| | | @Override |
| | | public void onDetachedFromWindow() { |
| | | super.onDetachedFromWindow(); |
| | | if (mTabSelector != null) { |
| | | removeCallbacks(mTabSelector); |
| | | } |
| | | } |
| | | /** |
| | | * 添加tabView |
| | | * |
| | | * @param index |
| | | * @param text |
| | | * @param iconResId |
| | | */ |
| | | @SuppressLint("ResourceAsColor") |
| | | private void addTab(int index, CharSequence text, int iconResId) { |
| | | final TabView tabView = new TabView(getContext()); |
| | | tabView.mIndex = index; |
| | | tabView.setFocusable(true); |
| | | tabView.setOnClickListener(mTabClickListener); |
| | | tabView.setText(text); |
| | | tabView.setTextColor(R.color.black1); |
| | | |
| | | /** |
| | | * 添加tabView |
| | | * |
| | | * @param index |
| | | * @param text |
| | | * @param iconResId |
| | | */ |
| | | @SuppressLint("ResourceAsColor") |
| | | private void addTab(int index, CharSequence text, int iconResId) { |
| | | final TabView tabView = new TabView(getContext()); |
| | | tabView.mIndex = index; |
| | | tabView.setFocusable(true); |
| | | tabView.setOnClickListener(mTabClickListener); |
| | | tabView.setText(text); |
| | | tabView.setTextColor(R.color.black1); |
| | | tabView.setBackgroundResource(R.drawable.found__tab_indicator); |
| | | |
| | | if (iconResId != 0) { |
| | | tabView.setCompoundDrawablesWithIntrinsicBounds(iconResId, 0, 0, 0); |
| | | } |
| | | LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(0, |
| | | MATCH_PARENT, 1); |
| | | if (iconResId != 0) { |
| | | tabView.setCompoundDrawablesWithIntrinsicBounds(iconResId, 0, 0, 0); |
| | | } |
| | | LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(WRAP_CONTENT, |
| | | MATCH_PARENT, 1); |
| | | mTabLayout.addView(tabView, params); |
| | | MarginLayoutParams marginLayoutParams = (MarginLayoutParams) tabView.getLayoutParams(); |
| | | if (index == 0) |
| | | marginLayoutParams.leftMargin = DimenUtils.dip2px(getContext(), 10); |
| | | else |
| | | marginLayoutParams.leftMargin = DimenUtils.dip2px(getContext(), 21); |
| | | } |
| | | |
| | | mTabLayout.addView(tabView, params); |
| | | } |
| | | @Override |
| | | public void onPageScrollStateChanged(int arg0) { |
| | | if (mListener != null) { |
| | | mListener.onPageScrollStateChanged(arg0); |
| | | } |
| | | } |
| | | |
| | | @Override |
| | | public void onPageScrollStateChanged(int arg0) { |
| | | if (mListener != null) { |
| | | mListener.onPageScrollStateChanged(arg0); |
| | | } |
| | | } |
| | | @Override |
| | | public void onPageScrolled(int arg0, float arg1, int arg2) { |
| | | if (mListener != null) { |
| | | mListener.onPageScrolled(arg0, arg1, arg2); |
| | | } |
| | | } |
| | | |
| | | @Override |
| | | public void onPageScrolled(int arg0, float arg1, int arg2) { |
| | | if (mListener != null) { |
| | | mListener.onPageScrolled(arg0, arg1, arg2); |
| | | } |
| | | } |
| | | @Override |
| | | public void onPageSelected(int arg0) { |
| | | setCurrentItem(arg0); |
| | | if (mListener != null) { |
| | | mListener.onPageSelected(arg0); |
| | | } |
| | | } |
| | | |
| | | @Override |
| | | public void onPageSelected(int arg0) { |
| | | setCurrentItem(arg0); |
| | | if (mListener != null) { |
| | | mListener.onPageSelected(arg0); |
| | | } |
| | | } |
| | | @Override |
| | | public void setViewPager(ViewPager view) { |
| | | if (mViewPager != null) { |
| | | mViewPager.setOnPageChangeListener(null); |
| | | } |
| | | final PagerAdapter adapter = view.getAdapter(); |
| | | if (adapter == null) { |
| | | throw new IllegalStateException( |
| | | "ViewPager does not have adapter instance."); |
| | | } |
| | | mViewPager = view; |
| | | view.setOnPageChangeListener(this); |
| | | notifyDataSetChanged(); |
| | | } |
| | | |
| | | @Override |
| | | public void setViewPager(ViewPager view) { |
| | | if (mViewPager != null) { |
| | | mViewPager.setOnPageChangeListener(null); |
| | | } |
| | | final PagerAdapter adapter = view.getAdapter(); |
| | | if (adapter == null) { |
| | | throw new IllegalStateException( |
| | | "ViewPager does not have adapter instance."); |
| | | } |
| | | mViewPager = view; |
| | | view.setOnPageChangeListener(this); |
| | | notifyDataSetChanged(); |
| | | } |
| | | 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(); |
| | | } |
| | | |
| | | 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(); |
| | | } |
| | | @Override |
| | | public void setViewPager(ViewPager view, int initialPosition) { |
| | | setViewPager(view); |
| | | setCurrentItem(initialPosition); |
| | | } |
| | | |
| | | @Override |
| | | public void setViewPager(ViewPager view, int initialPosition) { |
| | | setViewPager(view); |
| | | setCurrentItem(initialPosition); |
| | | } |
| | | /** |
| | | * 设置当前Item |
| | | */ |
| | | @Override |
| | | public void setCurrentItem(int item) { |
| | | if (mViewPager == null) { |
| | | throw new IllegalStateException("ViewPager has not been bound."); |
| | | } |
| | | mSelectedTabIndex = item; |
| | | mViewPager.setCurrentItem(item); |
| | | |
| | | /** |
| | | * 设置当前Item |
| | | */ |
| | | @Override |
| | | public void setCurrentItem(int item) { |
| | | if (mViewPager == null) { |
| | | throw new IllegalStateException("ViewPager has not been bound."); |
| | | } |
| | | mSelectedTabIndex = item; |
| | | mViewPager.setCurrentItem(item); |
| | | final int tabCount = mTabLayout.getChildCount(); |
| | | for (int i = 0; i < tabCount; i++) { |
| | | final View child = mTabLayout.getChildAt(i); |
| | | final boolean isSelected = (i == item); |
| | | child.setSelected(isSelected); |
| | | if (isSelected) { |
| | | animateToTab(item); |
| | | } |
| | | } |
| | | } |
| | | |
| | | final int tabCount = mTabLayout.getChildCount(); |
| | | for (int i = 0; i < tabCount; i++) { |
| | | final View child = mTabLayout.getChildAt(i); |
| | | final boolean isSelected = (i == item); |
| | | child.setSelected(isSelected); |
| | | if (isSelected) { |
| | | animateToTab(item); |
| | | } |
| | | } |
| | | } |
| | | @Override |
| | | public void setOnPageChangeListener(OnPageChangeListener listener) { |
| | | mListener = listener; |
| | | } |
| | | |
| | | @Override |
| | | public void setOnPageChangeListener(OnPageChangeListener listener) { |
| | | mListener = listener; |
| | | } |
| | | /** |
| | | * 重写textview |
| | | * |
| | | * @author weikou2015 |
| | | */ |
| | | private class TabView extends TextView { |
| | | private int mIndex; |
| | | |
| | | /** |
| | | * 重写textview |
| | | * |
| | | * @author weikou2015 |
| | | * |
| | | */ |
| | | private class TabView extends TextView { |
| | | private int mIndex; |
| | | public TabView(Context context) { |
| | | super(context, null, R.attr.vpiTabPageIndicatorStyle); |
| | | } |
| | | |
| | | public TabView(Context context) { |
| | | super(context, null, R.attr.vpiTabPageIndicatorStyle); |
| | | } |
| | | @Override |
| | | public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| | | super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| | | |
| | | @Override |
| | | public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| | | super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| | | // Re-measure if we went beyond our maximum size. |
| | | if (mMaxTabWidth > 0 && getMeasuredWidth() > mMaxTabWidth) { |
| | | super.onMeasure(MeasureSpec.makeMeasureSpec(mMaxTabWidth, |
| | | MeasureSpec.EXACTLY), heightMeasureSpec); |
| | | } |
| | | } |
| | | |
| | | // Re-measure if we went beyond our maximum size. |
| | | if (mMaxTabWidth > 0 && getMeasuredWidth() > mMaxTabWidth) { |
| | | super.onMeasure(MeasureSpec.makeMeasureSpec(mMaxTabWidth, |
| | | MeasureSpec.EXACTLY), heightMeasureSpec); |
| | | } |
| | | } |
| | | |
| | | public int getIndex() { |
| | | return mIndex; |
| | | } |
| | | } |
| | | public int getIndex() { |
| | | return mIndex; |
| | | } |
| | | } |
| | | } |