288 lines
10 KiB
Java
288 lines
10 KiB
Java
package cn.shangyu.gdxzExpert.view;
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import android.content.Context;
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import android.graphics.Color;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.Button;
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import android.widget.TextView;
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import java.util.ArrayList;
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import cn.shangyu.gdxzExpert.R;
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/**
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* Created by WANGChengXin on 2019/10/21.单选
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*/
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public class GroupManageSingleView<X extends TextView> extends ViewGroup {
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public static final String BTN_MODE = "BTNMODE"; //按钮模式
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public static final String TEV_MODE = "TEVMODE"; //文本模式
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private static final String TAG = "IViewGroup";
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private final int HorInterval = 45; //水平间隔
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private final int VerInterval = 45; //垂直间隔
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private int viewWidth; //控件的宽度
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private int viewHeight; //控件的高度
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private ArrayList<String> mTexts = new ArrayList<>();
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private Context mContext;
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private int textModePaddingx = 30;
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private int textModePaddingy = 15;
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//正常样式
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private float itemTextSize = 12;
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private int itemBGResNor = R.drawable.rect_normal_group;
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private int itemTextColorNor = Color.parseColor("#ff999999");
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//选中的样式
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private int itemBGResPre = R.drawable.rect_false_drug;
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private int itemTextColorPre = Color.parseColor("#8D2316");
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public GroupManageSingleView(Context context) {
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this(context, null);
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}
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public GroupManageSingleView(Context context, AttributeSet attrs) {
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super(context, attrs);
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mContext = context;
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}
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/**
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* 计算控件的大小
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*/
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@Override
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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super.onMeasure(widthMeasureSpec, heightMeasureSpec);
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viewWidth = measureWidth(widthMeasureSpec);
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viewHeight = measureHeight(heightMeasureSpec);
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Log.e(TAG, "onMeasure:" + viewWidth + ":" + viewHeight);
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// 计算自定义的ViewGroup中所有子控件的大小
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measureChildren(widthMeasureSpec, heightMeasureSpec);
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// 设置自定义的控件MyViewGroup的大小
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setMeasuredDimension(viewWidth, getViewHeight());
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}
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private int measureWidth(int pWidthMeasureSpec) {
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int result = 0;
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int widthMode = MeasureSpec.getMode(pWidthMeasureSpec);
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int widthSize = MeasureSpec.getSize(pWidthMeasureSpec);
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switch (widthMode) {
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/**
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* mode共有三种情况，取值分别为MeasureSpec.UNSPECIFIED, MeasureSpec.EXACTLY,
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* MeasureSpec.AT_MOST。
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*
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*
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* MeasureSpec.EXACTLY是精确尺寸，
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* 当我们将控件的layout_width或layout_height指定为具体数值时如andorid
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* :layout_width="50dip"，或者为FILL_PARENT是，都是控件大小已经确定的情况，都是精确尺寸。
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*
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*
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* MeasureSpec.AT_MOST是最大尺寸，
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* 当控件的layout_width或layout_height指定为WRAP_CONTENT时
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* ，控件大小一般随着控件的子空间或内容进行变化，此时控件尺寸只要不超过父控件允许的最大尺寸即可
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* 。因此，此时的mode是AT_MOST，size给出了父控件允许的最大尺寸。
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*
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*
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* MeasureSpec.UNSPECIFIED是未指定尺寸，这种情况不多，一般都是父控件是AdapterView，
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* 通过measure方法传入的模式。
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*/
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case MeasureSpec.AT_MOST:
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case MeasureSpec.EXACTLY:
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result = widthSize;
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break;
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}
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return result;
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}
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private int measureHeight(int pHeightMeasureSpec) {
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int result = 0;
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int heightMode = MeasureSpec.getMode(pHeightMeasureSpec);
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int heightSize = MeasureSpec.getSize(pHeightMeasureSpec);
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switch (heightMode) {
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case MeasureSpec.UNSPECIFIED:
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result = getSuggestedMinimumHeight();
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break;
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case MeasureSpec.AT_MOST:
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case MeasureSpec.EXACTLY:
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result = heightSize;
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break;
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}
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return result;
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}
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/**
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* 覆写onLayout，其目的是为了指定视图的显示位置，方法执行的前后顺序是在onMeasure之后，因为视图肯定是只有知道大小的情况下，
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* 才能确定怎么摆放
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*/
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@Override
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protected void onLayout(boolean changed, int l, int t, int r, int b) {
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// 遍历所有子视图
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int posLeft = HorInterval;
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int posTop = VerInterval;
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int posRight;
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int posBottom;
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for (int i = 0; i < getChildCount(); i++) {
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View childView = getChildAt(i);
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// 获取在onMeasure中计算的视图尺寸
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int measureHeight = childView.getMeasuredHeight();
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int measuredWidth = childView.getMeasuredWidth();
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if (posLeft + getNextHorLastPos(i) > viewWidth) {
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posLeft = HorInterval+measuredWidth;
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posTop += (measureHeight + VerInterval);
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}
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posRight = posLeft + measuredWidth;
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posBottom = posTop + measureHeight;
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childView.layout(posLeft, posTop, posRight, posBottom);
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posLeft += (measuredWidth + HorInterval);
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}
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}
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//获取控件的自适应高度
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private int getViewHeight() {
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int viewwidth = HorInterval;
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int viewheight = VerInterval;
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if (getChildCount() > 0) {
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viewheight = getChildAt(0).getMeasuredHeight() + VerInterval;
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}
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for (int i = 0; i < getChildCount(); i++) {
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View childView = getChildAt(i);
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// 获取在onMeasure中计算的视图尺寸
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int measureHeight = childView.getMeasuredHeight();
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int measuredWidth = childView.getMeasuredWidth();
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if (viewwidth + getNextHorLastPos(i) > viewWidth) {
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viewwidth = HorInterval;
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viewheight += (measureHeight + VerInterval);
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} else {
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viewwidth += (measuredWidth + HorInterval);
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}
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}
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return viewheight;
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}
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private int getNextHorLastPos(int i) {
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return getChildAt(i).getMeasuredWidth() + HorInterval;
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}
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private OnGroupItemClickListener onGroupItemClickListener;
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public void setGroupClickListener(OnGroupItemClickListener listener) {
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onGroupItemClickListener = listener;
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for (int i = 0; i < getChildCount(); i++) {
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final X childView = (X) getChildAt(i);
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final int itemPos = i;
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childView.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View view) {
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onGroupItemClickListener.onGroupItemClick(itemPos);
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chooseItemStyle(itemPos);
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}
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});
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}
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}
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//选中那个的样式
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public void chooseItemStyle(int pos) {
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clearItemsStyle();
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if (pos < getChildCount()) {
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X childView = (X) getChildAt(pos);
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childView.setBackgroundResource(itemBGResPre);
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childView.setTextColor(itemTextColorPre);
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setItemPadding(childView);
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}
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}
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private void setItemPadding(X view) {
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if (view instanceof Button) {
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view.setPadding(textModePaddingx, textModePaddingy, textModePaddingx, textModePaddingy);
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} else {
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view.setPadding(textModePaddingx, textModePaddingy, textModePaddingx, textModePaddingy);
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}
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}
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//清除Group所有的样式
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private void clearItemsStyle() {
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for (int i = 0; i < getChildCount(); i++) {
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X childView = (X) getChildAt(i);
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childView.setBackgroundResource(itemBGResNor);
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childView.setTextColor(itemTextColorNor);
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setItemPadding(childView);
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}
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}
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public void addItemViews(ArrayList<String> texts, String mode,int position) {
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mTexts = texts;
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removeAllViews();
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for (int i = 0;i<texts.size();i++){
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addItemView(texts.get(i), mode,i,position);
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}
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// for (String text : texts) {
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// addItemView(text, mode);
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// }
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}
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private void addItemView(String text, String mode,int i,int position) {
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X childView = null;
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switch (mode) {
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case BTN_MODE:
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childView = (X) new Button(mContext);
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break;
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case TEV_MODE:
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childView = (X) new TextView(mContext);
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break;
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}
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childView.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT,
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LayoutParams.WRAP_CONTENT));
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childView.setTextSize(itemTextSize);
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if (i==position){
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childView.setBackgroundResource(itemBGResPre);
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setItemPadding(childView);
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childView.setTextColor(itemTextColorPre);
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childView.setText(text);
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this.addView(childView);
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}else {
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childView.setBackgroundResource(itemBGResNor);
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setItemPadding(childView);
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childView.setTextColor(itemTextColorNor);
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childView.setText(text);
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this.addView(childView);
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}
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}
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public String getChooseText(int itemID) {
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if (itemID >= 0) {
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return mTexts.get(itemID);
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}
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return null;
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}
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public void setItemTextSize(float itemTextSize) {
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this.itemTextSize = itemTextSize;
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}
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public void setItemBGResNor(int itemBGResNor) {
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this.itemBGResNor = itemBGResNor;
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}
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public void setItemTextColorNor(int itemTextColorNor) {
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this.itemTextColorNor = itemTextColorNor;
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}
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public void setItemBGResPre(int itemBGResPre) {
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this.itemBGResPre = itemBGResPre;
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}
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public void setItemTextColorPre(int itemTextColorPre) {
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this.itemTextColorPre = itemTextColorPre;
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}
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public interface OnGroupItemClickListener {
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void onGroupItemClick(int item);
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}
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}
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