TextBannerView
TextBannerView copied to clipboard
Published
20 hours ago •
ChessLuo
ChessLuo
关于嵌套在Fragment的bug
adapter中：
public void onViewAttachedToWindow(BaseViewHolder holder) {
super.onViewAttachedToWindow(holder);
startViewAnimator();
}
fragment:
onHiddenChanged
setUserVisibleHint
onPause
中增加控制停止和开始的操作，应该可以解决问题。我目前看了bug表，他们遇到问题，我基本上之前遇到过，现在我按照上面的方法处理了，就没有了。 不过我是修改了源码，然后配合上面的处理的。
public class TextBannerView 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<String> mDatas;
private ITextBannerItemClickListener mListener;
private boolean isStarted;
private boolean isDetachedFromWindow;
public interface ITextBannerItemClickListener {
/**
* onItemClick
*
* @param data
* @param position
*/
void onItemClick(String data, int position);
}
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);
//文字切换时间间隔
mInterval = typedArray.getInteger(R.styleable.TextBannerViewStyle_setInterval, mInterval);
//文字是否为单行
isSingleLine = typedArray.getBoolean(R.styleable.TextBannerViewStyle_setSingleLine, false);
//设置文字颜色
mTextColor = typedArray.getColor(R.styleable.TextBannerViewStyle_setTextColor, mTextColor);
//设置文字尺寸
if (typedArray.hasValue(R.styleable.TextBannerViewStyle_setTextSize)) {
mTextSize = (int) typedArray.getDimension(R.styleable.TextBannerViewStyle_setTextSize, mTextSize);
mTextSize = DisplayUtils.px2sp(context, mTextSize);
}
//显示位置
int gravityType = typedArray.getInt(R.styleable.TextBannerViewStyle_setGravity, GRAVITY_LEFT);
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;
default:
}
hasSetAnimDuration = typedArray.hasValue(R.styleable.TextBannerViewStyle_setAnimDuration);
//动画时间
animDuration = typedArray.getInt(R.styleable.TextBannerViewStyle_setAnimDuration, animDuration);
hasSetDirection = typedArray.hasValue(R.styleable.TextBannerViewStyle_setDirection);
//方向
direction = typedArray.getInt(R.styleable.TextBannerViewStyle_setDirection, direction);
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;
default:
}
} else {
inAnimResId = R.anim.anim_right_in;
outAnimResId = R.anim.anim_left_out;
}
//字体划线
mFlags = typedArray.getInt(R.styleable.TextBannerViewStyle_setFlags, mFlags);
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;
}
//字体样式
mTypeface = typedArray.getInt(R.styleable.TextBannerViewStyle_setTypeface, mTypeface);
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;
}
//new 一个ViewAnimator
mViewFlipper = new ViewFlipper(getContext());
mViewFlipper.setLayoutParams(
new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
addView(mViewFlipper);
startViewAnimator();
//设置点击事件
mViewFlipper.setOnClickListener(v -> {
//当前显示的子视图的索引位置
int position = mViewFlipper.getDisplayedChild();
if (mListener != null && mDatas.size() > 0) {
mListener.onItemClick(mDatas.get(position), position);
}
});
}
public ViewFlipper getViewFlipper() {
return mViewFlipper;
}
/**
* 暂停动画
*/
public void stopViewAnimator() {
//if (isStarted) {
if (mRunnable != null) {
if (removeCallbacks(mRunnable)) {
//L.e("跑马灯: ---- stop ----");
}
}
isStarted = false;
//}
}
/**
* 开始动画
*/
public void startViewAnimator() {
if (!isStarted) {
if (!isDetachedFromWindow) {
isStarted = true;
if (mRunnable != null) {
if (removeCallbacks(mRunnable)) {
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 && mDatas != null && !mDatas.isEmpty()) {
setInAndOutAnimation(inAnimResId, outAnimResId);
//手动显示下一个子view。
mViewFlipper.showNext();
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<String> datas) {
this.mDatas = datas;
if (mDatas != null && !mDatas.isEmpty()) {
mViewFlipper.removeAllViews();
for (int i = 0; i < mDatas.size(); i++) {
TextView textView = new TextView(getContext());
setTextView(textView, i);
//添加子view,并标识子view位置
mViewFlipper.addView(textView, i);
}
}
}
/**
* 设置数据集合伴随drawable-icon
* 暂时不能用
*
* @param datas 数据
*/
public void setDatasWithDrawableIcon(List<String> datas, Drawable leftDrawable, Drawable topDrawable, Drawable rightDrawable, Drawable bottomDrawable) {
this.mDatas = datas;
if (mDatas != null && !mDatas.isEmpty()) {
return;
}
mViewFlipper.removeAllViews();
for (int i = 0; i < mDatas.size(); i++) {
LinearLayout linearLayout = new LinearLayout(getContext());
linearLayout.setBackgroundColor(Color.parseColor("#ccacbb"));
linearLayout.setOrientation(LinearLayout.HORIZONTAL);
linearLayout.setGravity(mGravity);
LinearLayout.LayoutParams param = new LinearLayout.LayoutParams(LinearLayout.
LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
TextView textView = new TextView(getContext());
textView.setBackgroundColor(Color.parseColor("#3086F3"));
setTextView(textView, i);
textView.setCompoundDrawablePadding(8);
textView.setCompoundDrawables(leftDrawable, topDrawable, rightDrawable, bottomDrawable);
linearLayout.addView(textView, param);
mViewFlipper.addView(linearLayout, i);
}
}
/**
* 设置TextView
*/
private void setTextView(TextView textView, int position) {
textView.setText(mDatas.get(position));
//任意设置你的文字样式，在这里
textView.setSingleLine(isSingleLine);
textView.setEllipsize(TextUtils.TruncateAt.END);
textView.setTextColor(mTextColor);
textView.setTextSize(mTextSize);
textView.setGravity(mGravity);
//字体划线
textView.getPaint().setFlags(mFlags);
//字体样式
textView.setTypeface(null, mTypeface);
}
/**
* 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();
}
}
