编辑联系人联系人块，点按删除，键盘删除，键盘识别代码,Java代码库,德仔网

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【Java】编辑联系人联系人块，点按删除，键盘删除，键盘识别
作者: / 发布于2013/3/18/ 636
编辑联系人联系人块，点按删除，键盘删除，键盘识别等

	package com.example.animationtest;

	import java.util.ArrayList;
	import java.util.List;

	import android.app.Activity;
	import android.content.Context;
	import android.graphics.Color;
	import android.os.Bundle;
	import android.text.TextWatcher;
	import android.view.KeyEvent;
	import android.view.LayoutInflater;
	import android.view.View;
	import android.view.View.OnClickListener;
	import android.view.View.OnFocusChangeListener;
	import android.widget.Button;
	import android.widget.EditText;
	import android.widget.LinearLayout;
	import android.widget.RelativeLayout;
	import android.widget.TextView;

	import com.example.animationtest.view.FlowLayout;

	public class EditContactActivity extends Activity {
	/** @category 上下文对象 */
	Context context = this;
	/** @category 编辑框 */
	EditText edit;
	/** @category 模拟增加按钮 */
	Button add;
	/** @category 流布局 */
	FlowLayout fl;
	TextView tips;
	RelativeLayout editPanel;
	LinearLayout tipsPanel;
	/** @category 数据列表 */
	List<EditBean> data;

	int count = 0;
	/** @category 用来判断当前View的删除反选状态 */
	boolean delMode = false;
	/** @category 用来截取空格键还是回车键 */
	String tempEdit = "";

	@Override
	protected void onCreate(Bundle savedInstanceState) {
	 super.onCreate(savedInstanceState);
	 setContentView(R.layout.activity_editcontact);
	 init();
	 data = new ArrayList<EditContactActivity.EditBean>();
	 tips.setText("请输入号码或选择联系人");

	 editPanel.setVisibility(View.GONE);
	 tipsPanel.setVisibility(View.VISIBLE);

	 tipsPanel.setOnClickListener(new OnClickListener() {

	 @Override
	 public void onClick(View v) {
	 // TODO Auto-generated method stub
	 editPanel.setVisibility(View.VISIBLE);
	 tipsPanel.setVisibility(View.GONE);
	 edit.requestFocus();
	 }
	 });

	 edit.setOnFocusChangeListener(new OnFocusChangeListener() {

	 @Override
	 public void onFocusChange(View v, boolean hasFocus) {
	 // TODO Auto-generated method stub
	 if (!hasFocus) {
	 String content = edit.getText().toString();
	 if (!"".equals(content)) {
	 add(content);
	 edit.setText("");
	 }

	 editPanel.setVisibility(View.GONE);
	 tipsPanel.setVisibility(View.VISIBLE);

	 loadTips();
	 }
	 }
	 });

	 edit.addTextChangedListener(new TextWatcher() {

	 @Override
	 public void onTextChanged(CharSequence s, int start, int before,
	 int count) {
	 // TODO Auto-generated method stub

	 }

	 @Override
	 public void beforeTextChanged(CharSequence s, int start, int count,
	 int after) {
	 // TODO Auto-generated method stub
	 // 有新字符输入时清除删除状态
	 delMode = false;
	 // 新字符输入时将View的反色状态清除
	 int flSize = fl.getChildCount();
	 if (flSize > 1) {
	 View v = fl.getChildAt(flSize - 2);
	 v.setBackgroundColor(Color.TRANSPARENT);
	 }

	 // 缓存上一次字符供afrerTextChanged使用
	 tempEdit = s.toString();
	 }

	 @Override
	 public void afterTextChanged(android.text.Editable s) {
	 // TODO Auto-generated method stub
	 // 当前输入框字符
	 String source = s.toString();
	 int tempLen = tempEdit.length();
	 if (tempLen < source.length()) {
	 String nowStr = source.substring(tempLen);
	 if (" ".equals(nowStr)) {// 截获到空格键
	 System.out.println("space");
	 if (source.length() > 2) {
	 add(source.substring(0, source.length() - 1));
	 }
	 edit.setText("");
	 } else if ("\r".equals(nowStr) || "\n".equals(nowStr)) {// 截获到回车键
	 System.out.println("enter");
	 if (source.length() > 2) {
	 add(source.substring(0, source.length() - 1));
	 }
	 edit.setText("");
	 } else if (",".equals(nowStr) || "，".equals(nowStr)) {// 截获到逗号
	 System.out.println(",");
	 if (source.length() > 2) {
	 add(source.substring(0, source.length() - 1));
	 }
	 edit.setText("");
	 }
	 }

	 }
	 });
	}

	@Override
	public boolean onKeyDown(int keyCode, KeyEvent event) {

	 // TODO 截获按键
	 switch (keyCode) {
	 case KeyEvent.KEYCODE_DEL:
	 delete();
	 break;
	 }

	 return super.onKeyDown(keyCode, event);

	}

	private void init() {
	 editPanel = (RelativeLayout) findViewById(R.id.editPanel);
	 tipsPanel = (LinearLayout) findViewById(R.id.editTipsPanel);
	 tips = (TextView) findViewById(R.id.editTips);

	 add = (Button) findViewById(R.id.btn_add);
	 edit = (EditText) findViewById(R.id.contact);

	 int width = context.getResources().getDisplayMetrics().widthPixels;
	 edit.setWidth(width);

	 final float scale = context.getResources().getDisplayMetrics().density;
	 int height = (int) (48 * scale + 0.5f);
	 edit.setHeight(height);

	 fl = (FlowLayout) findViewById(R.id.area);

	 add.setOnClickListener(new OnClickListener() {

	 @Override
	 public void onClick(View v) {

	 add("Element:" + count);
	 loadTips();
	 }
	 });
	}

	/** @category 加载人员提示 */
	public void loadTips() {
	 String tipsContent = "";
	 for (EditBean b : data) {
	 tipsContent += b.getName() + ",";
	 }
	 if (tipsContent.length() > 1) {
	 tipsContent = tipsContent.substring(0, tipsContent.length() - 1);

	 tips.setText(tipsContent + "（共" + count + "人）");
	 } else {
	 tips.setText("请输入号码或选择联系人");
	 }
	}

	/** @category 增加一个元素 */
	public void add(String title) {
	 int n = fl.getChildCount();
	 System.out.println("now have element:" + n);
	 Editable ea = new Editable(context);
	 ea.title.setText(title);
	 ea.v.setOnClickListener(new OnClickListener() {

	 @Override
	 public void onClick(View v) {
	 delete(v);
	 }
	 });

	 data.add(new EditBean(title, "000", ea.v));
	 fl.addView(ea.v, n - 1);
	 count++;
	}

	/** @category 删除一个元素 */
	public void delete(View v) {
	 EditBean removeItem = null;
	 for (EditBean b : data) {
	 if (v.equals(b.getView())) {
	 removeItem = b;
	 }
	 }

	 // TODO List在遍历时不能删除Item，只有拿到for之外删除了
	 if (removeItem != null) {
	 data.remove(removeItem);
	 }

	 System.out.println("del element:" + v.toString());
	 count--;
	 fl.removeView(v);
	}

	/** @category 删除最后一个元素 */
	public void delete() {
	 System.out.println("Now Press Key is Delete.");
	 String content = edit.getText().toString();
	 System.out.println("Now content is:" + content);
	 System.out.println("Now content lenght is:" + content.length());
	 int flSize = fl.getChildCount();
	 if (flSize > 1 && "".equals(content)) {
	 if (delMode) {
	 delMode = false;
	 System.out.println("Now delete the last item.");
	 fl.removeViewAt(flSize - 2);

	 count--;
	 if (data.size() > 0)
	 data.remove(data.size() - 1);
	 } else {
	 View v = fl.getChildAt(flSize - 2);
	 v.setBackgroundColor(Color.parseColor("#ff0000"));
	 delMode = true;
	 }
	 }
	}

	/** @category 元素界面容器 */
	class Editable {
	 Context context;
	 public View v;
	 public TextView title, delete;

	 public Editable(Context context) {
	 this.context = context;
	 init();
	 }

	 private void init() {
	 v = LayoutInflater.from(context).inflate(R.layout.item_editable,
	 null);
	 title = (TextView) v.findViewById(R.id.title);
	 delete = (TextView) v.findViewById(R.id.delete);
	 }
	}

	/** @category 元素数据Bean */
	class EditBean {

	 public EditBean(String name, String cell, View view) {
	 setName(name);
	 setCell(cell);
	 setView(view);
	 }

	 private String name;
	 private View view;

	 public View getView() {
	 return view;
	 }

	 public void setView(View view) {
	 this.view = view;
	 }

	 public String getName() {
	 return name;
	 }

	 public void setName(String name) {
	 this.name = name;
	 }

	 public String getCell() {
	 return cell;
	 }

	 public void setCell(String cell) {
	 this.cell = cell;
	 }

	 private String cell;
	}
	}
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