package com.moral.andbrickslib.views;
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import android.app.Dialog;
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import android.content.Context;
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import android.graphics.Color;
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import android.view.Display;
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import android.view.Gravity;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.view.Window;
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import android.view.WindowManager;
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import android.widget.LinearLayout;
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import android.widget.LinearLayout.LayoutParams;
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import android.widget.ScrollView;
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import android.widget.TextView;
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import com.moral.andbrickslib.R;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* 仿ios的底部弹出dialog
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*/
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public class ActionSheetDialog {
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private Context context;
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private Dialog dialog;
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private TextView txt_title;
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private TextView txt_cancel;
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private LinearLayout lLayout_content;
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private ScrollView sLayout_content;
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private boolean showTitle = false;
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private List<SheetItem> sheetItemList;
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private Display display;
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public ActionSheetDialog(Context context) {
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this.context = context;
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WindowManager windowManager = (WindowManager) context
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.getSystemService(Context.WINDOW_SERVICE);
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display = windowManager.getDefaultDisplay();
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}
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public ActionSheetDialog builder() {
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// 获取Dialog布局
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View view = LayoutInflater.from(context).inflate(
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R.layout.view_actionsheet, null);
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// 设置Dialog最小宽度为屏幕宽度
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view.setMinimumWidth(display.getWidth());
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// 获取自定义Dialog布局中的控件
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sLayout_content = (ScrollView) view.findViewById(R.id.sLayout_content);
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lLayout_content = (LinearLayout) view
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.findViewById(R.id.lLayout_content);
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txt_title = (TextView) view.findViewById(R.id.txt_title);
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txt_cancel = (TextView) view.findViewById(R.id.txt_cancel);
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txt_cancel.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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dialog.dismiss();
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}
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});
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// 定义Dialog布局和参数
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dialog = new Dialog(context, R.style.ActionSheetDialogStyle);
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dialog.setContentView(view);
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Window dialogWindow = dialog.getWindow();
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dialogWindow.setGravity(Gravity.LEFT | Gravity.BOTTOM);
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WindowManager.LayoutParams lp = dialogWindow.getAttributes();
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lp.x = 0;
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lp.y = 0;
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dialogWindow.setAttributes(lp);
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return this;
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}
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public ActionSheetDialog setTitle(String title) {
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showTitle = true;
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txt_title.setVisibility(View.VISIBLE);
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txt_title.setText(title);
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return this;
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}
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public ActionSheetDialog setCancelable(boolean cancel) {
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dialog.setCancelable(cancel);
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return this;
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}
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public ActionSheetDialog setCanceledOnTouchOutside(boolean cancel) {
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dialog.setCanceledOnTouchOutside(cancel);
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return this;
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}
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/**
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* @param strItem 条目名称
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* @param color 条目字体颜色，设置null则默认蓝色
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* @param listener
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* @return
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*/
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public ActionSheetDialog addSheetItem(String strItem, SheetItemColor color,
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OnSheetItemClickListener listener) {
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if (sheetItemList == null) {
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sheetItemList = new ArrayList<SheetItem>();
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}
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sheetItemList.add(new SheetItem(strItem, color, listener));
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return this;
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}
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/**
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* 设置条目布局
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*/
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private void setSheetItems() {
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if (sheetItemList == null || sheetItemList.size() <= 0) {
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return;
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}
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int size = sheetItemList.size();
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// TODO 高度控制，非最佳解决办法
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// 添加条目过多的时候控制高度
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if (size >= 7) {
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LinearLayout.LayoutParams params = (LayoutParams) sLayout_content
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.getLayoutParams();
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params.height = display.getHeight() / 2;
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sLayout_content.setLayoutParams(params);
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}
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// 循环添加条目
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for (int i = 1; i <= size; i++) {
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final int index = i;
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SheetItem sheetItem = sheetItemList.get(i - 1);
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String strItem = sheetItem.name;
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SheetItemColor color = sheetItem.color;
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final OnSheetItemClickListener listener = (OnSheetItemClickListener) sheetItem.itemClickListener;
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TextView textView = new TextView(context);
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textView.setText(strItem);
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textView.setTextSize(18);
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textView.setGravity(Gravity.CENTER);
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// 背景图片
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if (size == 1) {
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if (showTitle) {
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textView.setBackgroundResource(R.drawable.actionsheet_bottom_selector);
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} else {
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textView.setBackgroundResource(R.drawable.actionsheet_single_selector);
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}
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} else {
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if (showTitle) {
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if (i >= 1 && i < size) {
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textView.setBackgroundResource(R.drawable.actionsheet_middle_selector);
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} else {
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textView.setBackgroundResource(R.drawable.actionsheet_bottom_selector);
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}
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} else {
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if (i == 1) {
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textView.setBackgroundResource(R.drawable.actionsheet_top_selector);
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} else if (i < size) {
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textView.setBackgroundResource(R.drawable.actionsheet_middle_selector);
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} else {
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textView.setBackgroundResource(R.drawable.actionsheet_bottom_selector);
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}
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}
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}
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// 字体颜色
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if (color == null) {
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textView.setTextColor(Color.parseColor(SheetItemColor.Blue
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.getName()));
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} else {
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textView.setTextColor(Color.parseColor(color.getName()));
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}
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// 高度
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float scale = context.getResources().getDisplayMetrics().density;
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int height = (int) (45 * scale + 0.5f);
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textView.setLayoutParams(new LinearLayout.LayoutParams(
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LayoutParams.MATCH_PARENT, height));
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// 点击事件
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textView.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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listener.onClick(index);
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dialog.dismiss();
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}
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});
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lLayout_content.addView(textView);
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}
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}
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public void show() {
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setSheetItems();
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dialog.show();
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}
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public interface OnSheetItemClickListener {
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void onClick(int which);
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}
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public class SheetItem {
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String name;
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OnSheetItemClickListener itemClickListener;
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SheetItemColor color;
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public SheetItem(String name, SheetItemColor color,
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OnSheetItemClickListener itemClickListener) {
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this.name = name;
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this.color = color;
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this.itemClickListener = itemClickListener;
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}
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}
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public enum SheetItemColor {
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Blue("#037BFF"), Red("#FD4A2E");
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private String name;
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private SheetItemColor(String name) {
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this.name = name;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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}
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}
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