recyclerView使用 ExpandableTextView 列表展开收起功能

1、需求： 文字列表中展示收起和全部

2、采用RecyclerView 实现列表，网上查找了许多展开收起的样式，实测结果不如人意，

2.1 设置了最大展示行数之后，出现了展开之后，收起出错的问题
2.2 显示文字的View错位的时候，点击“收起/展开”事件无效。设置了点击事件，实际没有执行 onInterceptTouchEvent 中 mAnimating引起

3、解决方式

借鉴方案：关于ExpandableTextView几点优化

解决方案：点击跳转

4、工具类

package xxx;
import android.animation.Animator;
import android.animation.AnimatorSet;
import android.animation.ObjectAnimator;
import android.animation.ValueAnimator;
import android.annotation.TargetApi;
import android.content.Context;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.util.SparseBooleanArray;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.view.animation.Transformation;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import android.widget.TextView;
import androidx.annotation.DrawableRes;
import androidx.annotation.IdRes;


public class ExpandableTextView extends LinearLayout implements View.OnClickListener {

    private static final String TAG = ExpandableTextView.class.getSimpleName();

    private static final int EXPAND_INDICATOR_IMAGE_BUTTON = 0;

    private static final int EXPAND_INDICATOR_TEXT_VIEW = 1;

//    private static final int DEFAULT_TOGGLE_TYPE = EXPAND_INDICATOR_IMAGE_BUTTON;

    private static final int DEFAULT_TOGGLE_TYPE = EXPAND_INDICATOR_TEXT_VIEW;

    /* The default number of lines */
    private static final int MAX_COLLAPSED_LINES = 3;

    /* The default animation duration */
    private static final int DEFAULT_ANIM_DURATION = 300;

    /* The default alpha value when the animation starts */
    private static final float DEFAULT_ANIM_ALPHA_START = 0.7f;

    protected TextView mTv;

    protected View mToggleView; // View to expand/collapse

    private boolean mRelayout;

    private boolean mCollapsed = true; // Show short version as default.

    private int mCollapsedHeight;

    private int mTextHeightWithMaxLines;

    private int mMaxCollapsedLines;

    private int mMarginBetweenTxtAndBottom;

    private ExpandIndicatorController mExpandIndicatorController;

    private int mAnimationDuration;

    private float mAnimAlphaStart;

    private boolean mAnimating;

    @IdRes
    private int mExpandableTextId = R.id.item_dynamic_source_textview;

    @IdRes
    private int mExpandCollapseToggleId = R.id.item_dynamic_expandTextview;

    private boolean mExpandToggleOnTextClick;

    /* Listener for callback */
    private OnExpandStateChangeListener mListener;

    /* For saving collapsed status when used in ListView */
    private SparseBooleanArray mCollapsedStatus;
    private int mPosition;

    public ExpandableTextView(Context context) {
        this(context, null);
    }

    public ExpandableTextView(Context context, AttributeSet attrs) {
        super(context, attrs);
        init(attrs);
    }

    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
    public ExpandableTextView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        init(attrs);
    }

    @Override
    public void setOrientation(int orientation){
        if(LinearLayout.HORIZONTAL == orientation){
            throw new IllegalArgumentException("ExpandableTextView only supports Vertical Orientation.");
        }
        super.setOrientation(orientation);
    }

    @Override
    public void onClick(View view) {
        if (mToggleView.getVisibility() != View.VISIBLE) {
            return;
        }

        mCollapsed = !mC