package com.flyco.tablayout;
import android.animation.TypeEvaluator;
import android.animation.ValueAnimator;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.drawable.GradientDrawable;
import android.os.Bundle;
import android.os.Parcelable;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.util.AttributeSet;
import android.util.SparseArray;
import android.util.TypedValue;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.OvershootInterpolator;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.flyco.tablayout.listener.OnTabSelectListener;
import com.flyco.tablayout.utils.FragmentChangeManager;
import com.flyco.tablayout.utils.UnreadMsgUtils;
import com.flyco.tablayout.widget.MsgView;
import net.arvin.afbaselibrary.R;
import java.util.ArrayList;
public class SegmentTabLayout extends FrameLayout implements ValueAnimator.AnimatorUpdateListener {
private Context mContext;
private String[] mTitles;
private LinearLayout mTabsContainer;
private int mCurrentTab;
private int mLastTab;
private int mTabCount;
/** 用于绘制显示器 */
private Rect mIndicatorRect = new Rect();
private GradientDrawable mIndicatorDrawable = new GradientDrawable();
private GradientDrawable mRectDrawable = new GradientDrawable();
private Paint mDividerPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
private float mTabPadding;
private boolean mTabSpaceEqual;
private float mTabWidth;
/** indicator */
private int mIndicatorColor;
private float mIndicatorHeight;
private float mIndicatorCornerRadius;
private float mIndicatorMarginLeft;
private float mIndicatorMarginTop;
private float mIndicatorMarginRight;
private float mIndicatorMarginBottom;
private long mIndicatorAnimDuration;
private boolean mIndicatorAnimEnable;
private boolean mIndicatorBounceEnable;
/** divider */
private int mDividerColor;
private float mDividerWidth;
private float mDividerPadding;
/** title */
private static final int TEXT_BOLD_NONE = 0;
private static final int TEXT_BOLD_WHEN_SELECT = 1;
private static final int TEXT_BOLD_BOTH = 2;
private float mTextsize;
private int mTextSelectColor;
private int mTextUnselectColor;
private int mTextBold;
private boolean mTextAllCaps;
private int mBarColor;
private int mBarStrokeColor;
private float mBarStrokeWidth;
private int mHeight;
/** anim */
private ValueAnimator mValueAnimator;
private OvershootInterpolator mInterpolator = new OvershootInterpolator(0.8f);
private FragmentChangeManager mFragmentChangeManager;
private float[] mRadiusArr = new float[8];
public SegmentTabLayout(Context context) {
this(context, null, 0);
}
public SegmentTabLayout(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
@SuppressWarnings("ResourceType")
public SegmentTabLayout(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
setWillNotDraw(false);//重写onDraw方法,需要调用这个方法来清除flag
setClipChildren(false);
setClipToPadding(false);
this.mContext = context;
mTabsContainer = new LinearLayout(context);
addView(mTabsContainer);
obtainAttributes(context, attrs);
//get layout_height
String height = attrs.getAttributeValue("http://schemas.android.com/apk/res/android", "layout_height");
//create ViewPager
if (height.equals(ViewGroup.LayoutParams.MATCH_PARENT + "")) {
} else if (height.equals(ViewGroup.LayoutParams.WRAP_CONTENT + "")) {
} else {
int[] systemAttrs = {android.R.attr.layout_height};
TypedArray a = context.obtainStyledAttributes(attrs, systemAttrs);
mHeight = a.getDimensionPixelSize(0, ViewGroup.LayoutParams.WRAP_CONTENT);
a.recycle();
}
mValueAnimator = ValueAnimator.ofObject(new PointEvaluator(), mLastP, mCurrentP);
mValueAnimator.addUpdateListener(this);
}
private void obtainAttributes(Context context, AttributeSet attrs) {
TypedArray ta = context.obtainStyledAttributes(attrs, R.styleable.SegmentTabLayout);
mIndicatorColor = ta.getColor(R.styleable.SegmentTabLayout_tl_indicator_color, Color.parseColor("#222831"));
mIndicatorHeight = ta.getDimension(R.styleable.SegmentTabLayout_tl_indicator_height, -1);
mIndicatorCornerRadius = ta.getDimension(R.styleable.SegmentTabLayout_tl_indicator_corner_radius, -1);
mIndicatorMarginLeft = ta.getDimension(R.styleable.SegmentTabLayout_tl_indicator_margin_left, dp2px(0));
mIndicatorMarginTop = ta.getDimension(R.styleable.SegmentTabLayout_tl_indicator_margin_top, 0);
mIndicatorMarginRight = ta.getDimension(R.styleable.SegmentTabLayout_tl_indicator_margin_right, dp2px(0));
mIndicatorMarginBottom = ta.getDimension(R.styleable.SegmentTabLayout_tl_indicator_margin_bottom, 0);
mIndicatorAnimEnable = ta.getBoolean(R.styleable.SegmentTabLayout_tl_indicator_anim_enable, false);
mIndicatorBounceEnable = ta.getBoolean(R.styleable.SegmentTabLayout_tl_indicator_bounce_enable, true);
mIndicatorAnimDuration = ta.getInt(R.styleable.SegmentTabLayout_tl_indicator_anim_duration, -1);
mDividerColor = ta.getColor(R.styleable.SegmentTabLayout_tl_divider_color, mIndicatorColor);
mDividerWidth = ta.getDimension(R.styleable.SegmentTabLayout_tl_divider_width, dp2px(1));
mDividerPadding = ta.getDimension(R.styleable.SegmentTabLayout_tl_divider_padding, 0);
mTextsize = ta.getDimension(R.styleable.SegmentTabLayout_tl_textsize, sp2px(13f));
mTextSelectColor = ta.getColor(R.styleable.SegmentTabLayout_tl_textSelectColor, Color.parseColor("#ffffff"));
mTextUnselectColor = ta.getColor(R.styleable.SegmentTabLayout_tl_textUnselectColor, mIndicatorColor);
mTextBold = ta.getInt(R.styleable.SegmentTabLayout_tl_textBold, TEXT_BOLD_NONE);
mTextAllCaps = ta.getBoolean(R.styleable.SegmentTabLayout_tl_textAllCaps, false);
mTabSpaceEqual = ta.getBoolean(R.styleable.SegmentTabLayout_tl_tab_space_equal, true);
mTabWidth = ta.getDimension(R.styleable.SegmentTabLayout_tl_tab_width, dp2px(-1));
mTabPadding = ta.getDimension(R.styleable.SegmentTabLayout_tl_tab_padding, mTabSpaceEqual || mTabWidth > 0 ? dp2px(0) : dp2px(10));
mBarColor = ta.getColor(R.styleable.SegmentTabLayout_tl_bar_color, Color.TRANSPARENT);
mBarStrokeColor = ta.getColor(R.styleable.SegmentTabLayout_tl_bar_stroke_color, mIndicatorColor);
mBarStrokeWidth = ta.getDimension(R.styleable.SegmentTabLayout_tl_bar_stroke_width, dp2px(1));
ta.recycle();
}
public void setTabData(String[] titles) {
if (titles == null || titles.length == 0) {
throw new IllegalStateException("Titles can not be NULL or EMPTY !");
}
this.mTitles = titles;
notifyDataSetChanged();
}
/** 关联数据支持同时切换fragments */
public void setTabData(String[] titles, FragmentActivity fa, int containerViewId, ArrayList<Fragment> fragments) {
mFragmentChangeManager = new FragmentChangeManager(fa.getSupportFragmentManager(), containerViewId, fragments);
setTabData(titles);
}
/** 更新数据 */
public void notifyDataSetChanged() {
mTabsContainer.removeAllViews();
this.mTabCount = mTitles.length;
View tabView;
for (int i = 0; i < mTabCount; i++) {
tabView = View.inflate(mContext, R.layout.flyco_layout_tab_segment, null);
tabView.setTag(i);
addTab(i, tabView);
}
updateTabStyles();
}
/** 创建并添加tab */
private void addTab(final int position, View tabView) {
TextView tv_tab_title = (TextView) tabView.findViewById(R.id.tv_tab_title);
tv_tab_title.setText(mTitles[position]);
tabView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
int position = (Integer) v.getTag();
if (mCurrentTab != position) {
setCurrentTab(position);
if (mListener != null) {
mListener.onTabSelect(position);
}
} else {
if (mListener != null) {
mListener.onTabReselect(position);
}
}
}
});
/** 每一个Tab的布局参数 */
LinearLayout.LayoutParams lp_tab = mTabSpaceEqual ?
new LinearLayout.LayoutParams(0, LayoutParams.MATCH_PARENT, 1.0f) :
new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT);
if (mTabWidth > 0) {
lp_tab = new LinearLayout.LayoutParams((int) mTabWidth, LayoutParams.MATCH_PARENT);
}
mTabsContainer.addView(tabView, position, lp_tab);
}
private void updateTabStyles() {
for (int i = 0; i < mTabCount; i++) {
View tabView = mTabsContainer.getChildAt(i);
tabView.setPadding((int) mTabPadding, 0, (int) mTabPadding, 0);
TextView tv_tab_title = (TextView) tabView.findViewById(R.id.tv_tab_title);
tv_tab_title.setTextColor(i == mCurrentTab ? mTextSelectColor : mTextUnselectColor);
tv_tab_title.setTextSize(TypedValue.COMPLEX_UNIT_PX, mTextsize);
// tv_tab_title.setPadding((int) mTabPadding, 0, (int) mTabPadding, 0);
if (mTextAllCaps) {
tv_tab_title.setText(tv_tab_title.getText().toString().toUpperCase());
}
if (mTextBold == TEXT_BOLD_BOTH) {
tv_tab_title.getPaint().setFakeBoldText(true);
} else if (mTextBold == TEXT_BOLD_NONE) {
tv_tab_title.getPaint().setFakeBoldText(false);
}
}
}
private void updateTabSelection(int position) {
for (int i = 0; i < mTabCount; ++i) {
View tabView = mTabsContainer.getChildAt(i);
final boolean isSelect = i == position;
TextView tab_title = (TextView) tabView.findViewById(R.id.tv_tab_title);
tab_title.setTextColor(isSelect ? mTextSelectColor : mTextUnselectColor);
if (mTextBold == TEXT_BOLD_WHEN_SELECT) {
tab_title.getPaint().setFakeBoldText(isSelect);
}
}
}
private void calcOffset() {
final View currentTabView = mTabsContainer.getChildAt(this.mCurrentTab);
mCurrentP.left = currentTabView.getLeft();
mCurrentP.right = currentTabView.getRight();
final View lastTabView = mTabsContainer.getChildAt(this.mLastTab);
mLastP.left = lastTabView.getLeft();
mLastP.right = lastTabView.getRight();
// Log.d("AAA", "mLastP--->" + mLastP.left + "&" + mLastP.right);
// Log.d("AAA", "mCurrentP--->" + mCurrentP.left + "&" + mCurrentP.right);
if (mLastP.left == mCurrentP.left && mLastP.right == mCurrentP.right) {
invalidate();
} else {
mValueAnimator.setObjectValues(mLastP, mCurrentP);
if (mIndicatorBounceEnable) {
mValueAnimator.setInterpolator(mInterpolator);
}
if (mIndicatorAnimDuration < 0) {
mIndicatorAnimDuration = mIndicatorBounceEnable ? 500 : 250;
}
mValueAnimator.setDuration(mIndicatorAnimDuration);
mValueAnimator.start();
}
}
private void calcIndicatorRect() {
View currentTabView = mTabsContainer.getChildAt(this.mCurrentTab);
float left = currentTabView.getLeft();
float right = currentTabView.getRight();
mIndicatorRect.left = (int) left;
mIndicatorRect.right = (int) right;
if (!mIndicatorAnimEnable) {
if (mCurrentTab == 0) {
/**The corners are ordered top-left, top-right, bottom-right, bottom-left*/
mRadiusArr[0] = mIndicatorCornerRadius;
mRadiusArr[1] = mIndicatorCornerRadius;
mRadiusArr[2] = 0;
mRadiusArr[3] = 0;
mRadiusArr[4] = 0;
mRadiusArr[5] = 0;
mRadiusArr[6] = mIndicatorCornerRadius;
mRadiusArr[7] = mIndicatorCornerRadius;
} else if (mCurrentTab == mTabCount - 1) {
/**The corners are ordered top-left, top-right, bottom-right, bottom-left*/
mRadiusArr[0] = 0;
mRadiusArr[1] = 0;
mRadiusArr[2] = mIndicatorCornerRadius;
mRadiusArr[3] = mIndicatorCornerRadius;
mRadiusArr[4] = mIndicatorCornerRadius;
mRadiusArr[5] = mIndicatorCornerRadius;
mRadiusArr[6] = 0;
mRadiusArr[7] = 0;
} else {
/**The corners are ordered top-left, top-right, bottom-right, bottom-left*/
mRadiusArr[0] = 0;
mRadiusArr[1] = 0;
mRadiusArr[2] = 0;
mRadiusArr[3] = 0;
mRadiusArr[4] = 0;
mRadiusArr[5] = 0;
mRadiusArr[6] = 0;
mRadiusArr[7] = 0;
}
} else {
/**The corners are ordered top-left, top-right, bottom-right, bottom-left*/
mRadiusArr[0] = mIndicatorCornerRadius;
mRadiusArr[1] = mIndicatorCornerRadius;
mRadiusArr[2] = mIndicatorCornerRadius;
mRadiusArr[3] = mIndicatorCornerRadius;
mRadiusArr[4] = mIndicatorCornerRadius;
mRadiusArr[5] = mIndicatorCornerRadius;
mRadiusArr[6] = mIndicatorCornerRadius;
mRadiusArr[7] = mIndicatorCornerRadius;
}
}
@Override
public void onAnimationUpdate(ValueAnimator animation) {
IndicatorPoint p = (IndicatorPoint) animation.getAnimatedValue();
mIndicatorRect.left = (int) p.left;
mIndicatorRect.right = (int) p.right;
invalidate();
}
private boolean mIsFirstDraw = true;
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
if (isInEditMode() || mTabCount <= 0) {
return;
}
int height = getHeight();
int paddingLeft = getPaddingLeft();
if (mIndicatorHeight < 0) {
mIndicatorHeight = height - mIndicatorMarginTop - mIndicatorMarginBottom;
}
if (mIndicatorCornerRadius < 0 || mIndicatorCornerRadius > mIndicatorHeight / 2) {
mIndicatorCornerRadius = mIndicatorHeight / 2;
}
//draw rect
mRectDrawable.setColor(mBarColor);
mRectDrawable.setStroke((int) mBarStrokeWidth, mBarStrokeColor);
mRectDrawable.setCornerRadius(mIndicatorCornerRadius);
mRectDrawable.setBounds(getPaddingLeft(), getPaddingTop(), getWidth() - getPaddingRight(), getHeight() - getPaddingBottom());
mRectDrawable.draw(canvas);
// draw divider
if (!mIndicatorAnimEnable && mDividerWidth > 0) {
mDividerPaint.setStrokeWidth(mDividerWidth);
mDividerPaint.setColor(mDividerColor);
for (int i = 0; i < mTabCount - 1; i++) {
View tab = mTabsContainer.getChildAt(i);
canvas.drawLine(paddingLeft + tab.getRight(), mDividerPadding, paddingLeft + tab.getRight(), height - mDividerPadding, mDividerPaint);
}
}
//draw indicator line
if (mIndicatorAnimEnable) {
if (mIsFirstDraw) {
mIsFirstDraw = false;
calcIndicatorRect();
}
} else {
calcIndicatorRect();
}
mIndicatorDrawable.setColor(mIndicatorColor);
mIndicatorDrawable.setBounds(paddingLeft + (int) mIndicatorMarginLeft + mIndicatorRect.left,
(int) mIndicatorMarginTop, (int) (paddingLeft + mIndicatorRect.right - mIndicatorMarginRight),
(int) (mIndicatorMarginTop + mIndicatorHeight));
mIndicatorDrawable.setCornerRadii(mRadiusArr);
mIndicatorDrawable.draw(canvas);
}
//setter and getter
public void setCurrentTab(int currentTab) {
mLastTab = this.mCurrentTab;
this.mCurrentTab = currentTab;
updateTabSelection(currentTab);
if (mFragmentChangeManager != null) {
mFragmentChangeManager.setFragments(currentTab);
}
if (mIndicatorAnimEnable) {
calcOffset();
} else {
invalidate();
}
}
public void setTabPadding(float tabPadding) {
this.mTabPadding = dp2px(tabPadding);
updateTabStyles();
}
public void setTabSpaceEqual(boolean tabSpaceEqual) {
this.mTabSpaceEqual = tabSpaceEqual;
updateTabStyles();
}
public void setTabWidth(float tabWidth) {
this.mTabWidth = dp2px(tabWidth);
updateTabStyles();
}
public void setIndicatorColor(int indicatorColor) {
this.mIndicatorColor = indicatorColor;
invalidate();
}
public void setIndicatorHeight(float indicatorHeight) {
this.mIndicatorHeight = dp2px(indicatorHeight);
invalidate();
}
public void setIndicatorCornerRadius(float indicatorCornerRadius) {
this.mIndicatorCornerRadius = dp2px(indicatorCornerRadius);
invalidate();
}
public void setIndicatorMargin(float indicatorMarginLeft, float indicatorMarginTop,
float indicatorMarginRight, float indicatorMarginBottom) {
this.mIndicatorMarginLeft = dp2px(indicatorMarginLeft);
this.mIndicatorMarginTop = dp2px(indicatorMarginTop);
this.mIndicatorMarginRight = dp2px(indicatorMarginRight);
this.mIndicatorMarginBottom = dp2px(indicatorMarginBottom);
invalidate();
}
public void setIndicatorAnimDuration(long indicatorAnimDuration) {
this.mIndicatorAnimDuration = indicatorAnimDuration;
}
public void setIndicatorAnimEnable(boolean indicatorAnimEnable) {
this.mIndicatorAnimEnable = indicatorAnimEnable;
}
public void setIndicatorBounceEnable(boolean indicatorBounceEnable) {
this.mIndicatorBounceEnable = indicatorBounceEnable;
}
public void setDividerColor(int dividerColor) {
this.mDividerColor = dividerColor;
invalidate();
}
public void setDividerWidth(float dividerWidth) {
this.mDividerWidth = dp2px(dividerWidth);
invalidate();
}
public void setDividerPadding(float dividerPadding) {
this.mDividerPadding = dp2px(dividerPadding);
invalidate();
}
public void setTextsize(float textsize) {
this.mTextsize = sp2px(textsize);
updateTabStyles();
}
public void setTextSelectColor(int textSelectColor) {
this.mTextSelectColor = textSelectColor;
updateTabStyles();
}
public void setTextUnselectColor(int textUnselectColor) {
this.mTextUnselectColor = textUnselectColor;
updateTabStyles();
}
public void setTextBold(int textBold) {
this.mTextBold = textBold;
updateTabStyles();
}
public void setTextAllCaps(boolean textAllCaps) {
this.mTextAllCaps = textAllCaps;
updateTabStyles();
}
public int getTabCount() {
return mTabCount;
}
public int getCurrentTab() {
return mCurrentTab;
}
public float getTabPadding() {
return mTabPadding;
}
public boolean isTabSpaceEqual() {
return mTabSpaceEqual;
}
public float getTabWidth() {
return mTabWidth;
}
public int getIndicatorColor() {
return mIndicatorColor;
}
public float getIndicatorHeight() {
return mIndicatorHeight;
}
public float getIndicatorCornerRadius() {
return mIndicatorCornerRadius;
}
public float getIndicatorMarginLeft() {
return mIndicatorMarginLeft;
}
public float getIndicatorMarginTop() {
return mIndicatorMarginTop;
}
public float getIndicatorMarginRight() {
return mIndicatorMarginRight;
}
public float getIndicatorMarginBottom() {
return mIndicatorMarginBottom;
}
public long getIndicatorAnimDuration() {
return mIndicatorAnimDuration;
}
public boolean isIndicatorAnimEnable() {
return mIndicatorAnimEnable;
}
public boolean isIndicatorBounceEnable() {
return mIndicatorBounceEnable;
}
public int getDividerColor() {
return mDividerColor;
}
public float getDividerWidth() {
return mDividerWidth;
}
public float getDividerPadding() {
return mDividerPadding;
}
public float getTextsize() {
return mTextsize;
}
public int getTextSelectColor() {
return mTextSelectColor;
}
public int getTextUnselectColor() {
return mTextUnselectColor;
}
public int getTextBold() {
return mTextBold;
}
public boolean isTextAllCaps() {
return mTextAllCaps;
}
public TextView getTitleView(int tab) {
View tabView = mTabsContainer.getChildAt(tab);
TextView tv_tab_title = (TextView) tabView.findViewById(R.id.tv_tab_title);
return tv_tab_title;
}
//setter and getter
// show MsgTipView
private Paint mTextPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
private SparseArray<Boolean> mInitSetMap = new SparseArray<>();
/**
* 显示未读消息
*
* @param position 显示tab位置
* @param num num小于等于0显示红点,num大于0显示数字
*/
public void showMsg(int position, int num) {
if (position >= mTabCount) {
position = mTabCount - 1;
}
View tabView = mTabsContainer.getChildAt(position);
MsgView tipView = (MsgView) tabView.findViewById(R.id.rtv_msg_tip);
if (tipView != null) {
UnreadMsgUtils.show(tipView, num);
if (mInitSetMap.get(position) != null && mInitSetMap.get(position)) {
return;
}
setMsgMargin(position, 2, 2);
mInitSetMap.put(position, true);
}
}
/**
* 显示未读红点
*
* @param position 显示tab位置
*/
public void showDot(int position) {
if (position >= mTabCount) {
position = mTabCount - 1;
}
showMsg(position, 0);
}
public void hideMsg(int position) {
if (position >= mTabCount) {
position = mTabCount - 1;
}
View tabView = mTabsContainer.getChildAt(position);
MsgView tipView = (MsgView) tabView.findViewById(R.id.rtv_msg_tip);
if (tipView != null) {
tipView.setVisibility(View.GONE);
}
}
/**
* 设置提示红点偏移,注意
* 1.控件为固定高度:参照点为tab内容的右上角
* 2.控件高度不固定(WRAP_CONTENT):参照点为tab内容的右上角,此时高度已是红点的最高显示范围,所以这时bottomPadding其实就是topPadding
*/
public void setMsgMargin(int position, float leftPadding, float bottomPadding) {
if (position >= mTabCount) {
position = mTabCount - 1;
}
View tabView = mTabsContainer.getChildAt(position);
MsgView tipView = (MsgView) tabView.findViewById(R.id.rtv_msg_tip);
if (tipView != null) {
TextView tv_tab_title = (TextView) tabView.findViewById(R.id.tv_tab_title);
mTextPaint.setTextSize(mTextsize);
float textWidth = mTextPaint.measureText(tv_tab_title.getText().toString());
float textHeight = mTextPaint.descent() - mTextPaint.ascent();
MarginLayoutParams lp = (MarginLayoutParams) tipView.getLayoutParams();
lp.leftMargin = dp2px(leftPadding);
lp.topMargin = mHeight > 0 ? (int) (mHeight - textHeight) / 2 - dp2px(bottomPadding) : dp2px(bottomPadding);
tipView.setLayoutParams(lp);
}
}
/** 当前类只提供了少许设置未读消息属性的方法,可以通过该方法获取MsgView对象从而各种设置 */
public MsgView getMsgView(int position) {
if (position >= mTabCount) {
position = mTabCount - 1;
}
View tabView = mTabsContainer.getChildAt(position);
MsgView tipView = (MsgView) tabView.findViewById(R.id.rtv_msg_tip);
return tipView;
}
private OnTabSelectListener mListener;
public void setOnTabSelectListener(OnTabSelectListener listener) {
this.mListener = listener;
}
@Override
protected Parcelable onSaveInstanceState() {
Bundle bundle = new Bundle();
bundle.putParcelable("instanceState", super.onSaveInstanceState());
bundle.putInt("mCurrentTab", mCurrentTab);
return bundle;
}
@Override
protected void onRestoreInstanceState(Parcelable state) {
if (state instanceof Bundle) {
Bundle bundle = (Bundle) state;
mCurrentTab = bundle.getInt("mCurrentTab");
state = bundle.getParcelable("instanceState");
if (mCurrentTab != 0 && mTabsContainer.getChildCount() > 0) {
updateTabSelection(mCurrentTab);
}
}
super.onRestoreInstanceState(state);
}
class IndicatorPoint {
public float left;
public float right;
}
private IndicatorPoint mCurrentP = new IndicatorPoint();
private IndicatorPoint mLastP = new IndicatorPoint();
class PointEvaluator implements TypeEvaluator<IndicatorPoint> {
@Override
public IndicatorPoint evaluate(float fraction, IndicatorPoint startValue, IndicatorPoint endValue) {
float left = startValue.left + fraction * (endValue.left - startValue.left);
float right = startValue.right + fraction * (endValue.right - startValue.right);
IndicatorPoint point = new IndicatorPoint();
point.left = left;
point.right = right;
return point;
}
}
protected int dp2px(float dp) {
final float scale = mContext.getResources().getDisplayMetrics().density;
return (int) (dp * scale + 0.5f);
}
protected int sp2px(float sp) {
final float scale = this.mContext.getResources().getDisplayMetrics().scaledDensity;
return (int) (sp * scale + 0.5f);
}
}