package com.fuban.user.views.textbanner;
|
|
import android.content.Context;
|
import android.content.res.TypedArray;
|
import android.graphics.Paint;
|
import android.graphics.Typeface;
|
import android.graphics.drawable.Drawable;
|
import android.text.TextUtils;
|
import android.util.AttributeSet;
|
import android.view.Gravity;
|
import android.view.View;
|
import android.view.ViewGroup;
|
import android.view.animation.Animation;
|
import android.view.animation.AnimationUtils;
|
import android.widget.LinearLayout;
|
import android.widget.RelativeLayout;
|
import android.widget.TextView;
|
import android.widget.ViewFlipper;
|
|
import androidx.annotation.AnimRes;
|
|
|
import com.fuban.user.R;
|
import com.fuban.user.views.textbanner.utils.DisplayUtils;
|
|
import java.util.List;
|
|
/**
|
*
|
* @描述 文字自动轮播（跑马灯）
|
* @author luoweichao
|
* @email superluo666@gmail.com
|
* @date 2018/3/28/028 21:21
|
*
|
*/
|
public class TextBannerView<T> extends RelativeLayout {
|
private ViewFlipper mViewFlipper;
|
private int mInterval = 3000;/**文字切换时间间隔,默认3s*/
|
private boolean isSingleLine = false;/**文字是否为单行,默认false*/
|
private int mTextColor = 0xff000000;/**设置文字颜色,默认黑色*/
|
private int mTextSize = 16; /**设置文字尺寸,默认16px*/
|
private int mGravity = Gravity.LEFT | Gravity.CENTER_VERTICAL;/**文字显示位置,默认左边居中*/
|
private static final int GRAVITY_LEFT = 0;
|
private static final int GRAVITY_CENTER = 1;
|
private static final int GRAVITY_RIGHT = 2;
|
|
private boolean hasSetDirection = false;
|
private int direction = DIRECTION_BOTTOM_TO_TOP;
|
private static final int DIRECTION_BOTTOM_TO_TOP = 0;
|
private static final int DIRECTION_TOP_TO_BOTTOM = 1;
|
private static final int DIRECTION_RIGHT_TO_LEFT = 2;
|
private static final int DIRECTION_LEFT_TO_RIGHT = 3;
|
@AnimRes
|
private int inAnimResId = R.anim.anim_right_in;
|
@AnimRes
|
private int outAnimResId = R.anim.anim_left_out;
|
private boolean hasSetAnimDuration = false;
|
private int animDuration = 1500;/**默认1.5s*/
|
private int mFlags = -1;/**文字划线*/
|
private static final int STRIKE = 0;
|
private static final int UNDER_LINE = 1;
|
private int mTypeface = Typeface.NORMAL;/**设置字体类型：加粗、斜体、斜体加粗*/
|
private static final int TYPE_NORMAL = 0;
|
private static final int TYPE_BOLD = 1;
|
private static final int TYPE_ITALIC = 2;
|
private static final int TYPE_ITALIC_BOLD = 3;
|
|
private List<T> mDatas;
|
private ITextBannerItemClickListener mListener;
|
private boolean isStarted;
|
private boolean isDetachedFromWindow;
|
|
|
public TextBannerView(Context context) {
|
this(context,null);
|
}
|
|
public TextBannerView(Context context, AttributeSet attrs) {
|
super(context, attrs);
|
init(context, attrs, 0);
|
}
|
|
/**初始化控件*/
|
private void init(Context context, AttributeSet attrs, int defStyleAttr) {
|
TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.TextBannerViewStyle, defStyleAttr, 0);
|
mInterval = typedArray.getInteger(R.styleable.TextBannerViewStyle_setInterval, mInterval);//文字切换时间间隔
|
isSingleLine = typedArray.getBoolean(R.styleable.TextBannerViewStyle_setSingleLine, true);//文字是否为单行
|
mTextColor = typedArray.getColor(R.styleable.TextBannerViewStyle_setTextColor, mTextColor);//设置文字颜色
|
if (typedArray.hasValue(R.styleable.TextBannerViewStyle_setTextSize)) {//设置文字尺寸
|
mTextSize = (int) typedArray.getDimension(R.styleable.TextBannerViewStyle_setTextSize, mTextSize);
|
mTextSize = DisplayUtils.px2sp(context, mTextSize);
|
}
|
int gravityType = typedArray.getInt(R.styleable.TextBannerViewStyle_setGravity, GRAVITY_LEFT);//显示位置
|
switch (gravityType) {
|
case GRAVITY_LEFT:
|
mGravity = Gravity.LEFT | Gravity.CENTER_VERTICAL;
|
break;
|
case GRAVITY_CENTER:
|
mGravity = Gravity.CENTER;
|
break;
|
case GRAVITY_RIGHT:
|
mGravity = Gravity.RIGHT | Gravity.CENTER_VERTICAL;
|
break;
|
}
|
hasSetAnimDuration = typedArray.hasValue(R.styleable.TextBannerViewStyle_setAnimDuration);
|
animDuration = typedArray.getInt(R.styleable.TextBannerViewStyle_setAnimDuration, animDuration);//动画时间
|
hasSetDirection = typedArray.hasValue(R.styleable.TextBannerViewStyle_setDirection);
|
direction = typedArray.getInt(R.styleable.TextBannerViewStyle_setDirection, direction);//方向
|
if (hasSetDirection) {
|
switch (direction) {
|
case DIRECTION_BOTTOM_TO_TOP:
|
inAnimResId = R.anim.anim_bottom_in;
|
outAnimResId = R.anim.anim_top_out;
|
break;
|
case DIRECTION_TOP_TO_BOTTOM:
|
inAnimResId = R.anim.anim_top_in;
|
outAnimResId = R.anim.anim_bottom_out;
|
break;
|
case DIRECTION_RIGHT_TO_LEFT:
|
inAnimResId = R.anim.anim_right_in;
|
outAnimResId = R.anim.anim_left_out;
|
break;
|
case DIRECTION_LEFT_TO_RIGHT:
|
inAnimResId = R.anim.anim_left_in;
|
outAnimResId = R.anim.anim_right_out;
|
break;
|
}
|
} else {
|
inAnimResId = R.anim.anim_right_in;
|
outAnimResId = R.anim.anim_left_out;
|
}
|
mFlags = typedArray.getInt(R.styleable.TextBannerViewStyle_setFlags, mFlags);//字体划线
|
switch (mFlags) {
|
case STRIKE:
|
mFlags = Paint.STRIKE_THRU_TEXT_FLAG|Paint.ANTI_ALIAS_FLAG;
|
break;
|
case UNDER_LINE:
|
mFlags = Paint.UNDERLINE_TEXT_FLAG|Paint.ANTI_ALIAS_FLAG;
|
break;
|
default:
|
mFlags = 0|Paint.ANTI_ALIAS_FLAG;
|
break;
|
}
|
mTypeface = typedArray.getInt(R.styleable.TextBannerViewStyle_setTypeface, mTypeface);//字体样式
|
switch (mTypeface) {
|
case TYPE_BOLD:
|
mTypeface = Typeface.BOLD;
|
break;
|
case TYPE_ITALIC:
|
mTypeface = Typeface.ITALIC;
|
break;
|
case TYPE_ITALIC_BOLD:
|
mTypeface = Typeface.ITALIC|Typeface.BOLD;
|
break;
|
default:
|
break;
|
}
|
|
|
mViewFlipper = new ViewFlipper(getContext());//new 一个ViewAnimator
|
mViewFlipper.setLayoutParams(new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
|
addView(mViewFlipper);
|
startViewAnimator();
|
//设置点击事件
|
mViewFlipper.setOnClickListener(new OnClickListener() {
|
@Override
|
public void onClick(View v) {
|
int position = mViewFlipper.getDisplayedChild();//当前显示的子视图的索引位置
|
if (mListener!=null){
|
mListener.onItemClick(mDatas.get(position),position);
|
}
|
}
|
});
|
typedArray.recycle();
|
}
|
|
/**暂停动画*/
|
public void stopViewAnimator(){
|
if (isStarted){
|
removeCallbacks(mRunnable);
|
isStarted = false;
|
}
|
}
|
|
/**开始动画*/
|
public void startViewAnimator(){
|
if (!isStarted){
|
if (!isDetachedFromWindow){
|
isStarted = true;
|
postDelayed(mRunnable,mInterval);
|
}
|
}
|
}
|
|
/**
|
* 设置延时间隔
|
*/
|
private AnimRunnable mRunnable = new AnimRunnable();
|
private class AnimRunnable implements Runnable{
|
|
@Override
|
public void run() {
|
if (isStarted){
|
setInAndOutAnimation(inAnimResId, outAnimResId);
|
mViewFlipper.showNext();//手动显示下一个子view。
|
postDelayed(this,mInterval + animDuration);
|
}else {
|
stopViewAnimator();
|
}
|
|
}
|
}
|
|
|
/**
|
* 设置进入动画和离开动画
|
*
|
* @param inAnimResId 进入动画的resID
|
* @param outAnimResID 离开动画的resID
|
*/
|
private void setInAndOutAnimation(@AnimRes int inAnimResId, @AnimRes int outAnimResID) {
|
Animation inAnim = AnimationUtils.loadAnimation(getContext(), inAnimResId);
|
inAnim.setDuration(animDuration);
|
mViewFlipper.setInAnimation(inAnim);
|
|
Animation outAnim = AnimationUtils.loadAnimation(getContext(), outAnimResID);
|
outAnim.setDuration(animDuration);
|
mViewFlipper.setOutAnimation(outAnim);
|
}
|
|
|
|
/**设置数据集合*/
|
public void setDatas(List<T> datas){
|
this.mDatas = datas;
|
if (DisplayUtils.notEmpty(mDatas)){
|
mViewFlipper.removeAllViews();
|
for (int i = 0; i < mDatas.size(); i++) {
|
TextView textView = new TextView(getContext());
|
setTextView(textView,i);
|
|
mViewFlipper.addView(textView,i);//添加子view,并标识子view位置
|
}
|
}
|
|
}
|
|
/**
|
* 设置数据集合伴随drawable-icon
|
* @param datas 数据
|
* @param drawable 图标
|
* @param size 图标尺寸
|
* @param direction 图标位于文字方位
|
*/
|
public void setDatasWithDrawableIcon(List<T> datas, Drawable drawable,int size, int direction){
|
this.mDatas = datas;
|
if (DisplayUtils.isEmpty(mDatas)){
|
return;
|
}
|
mViewFlipper.removeAllViews();
|
for (int i = 0; i < mDatas.size(); i++) {
|
TextView textView = new TextView(getContext());
|
setTextView(textView,i);
|
|
textView.setCompoundDrawablePadding(8);
|
float scale = getResources().getDisplayMetrics().density;// 屏幕密度 ;
|
int muchDp = (int) (size * scale + 0.5f);
|
drawable.setBounds(0, 0, muchDp, muchDp);
|
if (direction==Gravity.LEFT){
|
textView.setCompoundDrawables(drawable,null,null , null);//左边
|
}else if (direction==Gravity.TOP){
|
textView.setCompoundDrawables(null,drawable,null , null);//顶部
|
}else if (direction==Gravity.RIGHT){
|
textView.setCompoundDrawables(null,null, drawable, null);//右边
|
}else if (direction==Gravity.BOTTOM){
|
textView.setCompoundDrawables(null,null, null, drawable);//底部
|
}
|
|
|
LinearLayout linearLayout = new LinearLayout(getContext());
|
linearLayout.setOrientation(LinearLayout.HORIZONTAL);//水平方向
|
linearLayout.setGravity(mGravity);//子view显示位置跟随TextView
|
LinearLayout.LayoutParams param = new LinearLayout.LayoutParams(LinearLayout.
|
LayoutParams.WRAP_CONTENT,LinearLayout.LayoutParams.WRAP_CONTENT);
|
linearLayout.addView(textView,param);
|
|
mViewFlipper.addView(linearLayout,i);//添加子view,并标识子view位置
|
}
|
}
|
/**设置TextView*/
|
private void setTextView(TextView textView,int position){
|
textView.setText(mDatas.get(position).toString());
|
//任意设置你的文字样式，在这里
|
textView.setSingleLine(isSingleLine);
|
ViewGroup.LayoutParams layoutParams = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
|
textView.setLayoutParams(layoutParams);
|
textView.setEllipsize(TextUtils.TruncateAt.END);
|
textView.setTextColor(mTextColor);
|
textView.setTextSize(mTextSize);
|
textView.setGravity(mGravity);
|
textView.setPadding(DisplayUtils.dip2px(getContext(),16),DisplayUtils.dip2px(getContext(),6),DisplayUtils.dip2px(getContext(),12),DisplayUtils.dip2px(getContext(),6));
|
textView.setBackgroundResource(R.drawable.bg_blue_6dp);
|
textView.getPaint().setFlags(mFlags);//字体划线
|
textView.setTypeface(null, mTypeface);//字体样式
|
}
|
|
|
/**设置点击监听事件回调*/
|
public void setItemOnClickListener(ITextBannerItemClickListener listener){
|
this.mListener = listener;
|
}
|
|
|
@Override
|
protected void onDetachedFromWindow() {
|
super.onDetachedFromWindow();
|
isDetachedFromWindow=true;
|
stopViewAnimator();
|
}
|
|
@Override
|
protected void onAttachedToWindow() {
|
super.onAttachedToWindow();
|
isDetachedFromWindow=false;
|
startViewAnimator();
|
|
}
|
}
|
