通讯录小案例

一、图片效果图

  (1).点击添加按钮，跳转到第二个页面，输入姓名、性别、号码，点击提交，添加到第一个页面中。

(2).在第一个页面中，选择其中一个item向左滑动，显示删除，点击删除，删除当前信息。

(3).在第一个页面中，选择其中一个item点击，则携带数据跳转到第二个页面中，修改后提交，更改第一个页面信息。

(4).在一个页面中，点击发信息，则携带电话号码进入发信息界面，点击打电话，则携带电话号码进入打电话界面

二、布局

activity_main布局

<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:background="#8B8B83">    <LinearLayout        android:id="@+id/ll_title"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:background="@color/colorPrimaryDark"        android:padding="10dp">        <TextView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="好友"            android:textSize="20sp" />        <TextView            android:layout_width="wrap_content"            android:layout_height="0dp"            android:layout_weight="1" />        <TextView            android:id="@+id/tv_add"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="添加"            android:textSize="20sp" />    </LinearLayout>    <ListView        android:id="@+id/lv_main"        android:layout_width="match_parent"        android:layout_height="match_parent"        android:layout_below="@id/ll_title"></ListView></RelativeLayout>

activity_add布局

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:background="#8B8B83"    android:orientation="vertical">    <LinearLayout        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:background="@color/colorPrimaryDark"        android:gravity="center_vertical"        android:padding="10dp">        <TextView            android:id="@+id/cancel"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="返回"            android:textSize="24sp" />        <TextView            android:layout_width="0dp"            android:layout_height="wrap_content"            android:layout_weight="1" />        <TextView            android:id="@+id/confirm"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="提交"            android:textSize="24sp" />    </LinearLayout>    <ImageView        android:id="@+id/iv_touxiang"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_gravity="center_horizontal"        android:layout_marginBottom="10dp"        android:layout_marginTop="20dp"        android:src="@mipmap/touxiang" />    <LinearLayout        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:padding="5dp">        <TextView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="姓名: " />        <EditText            android:id="@+id/et_name"            android:layout_width="0dp"            android:layout_height="wrap_content"            android:layout_weight="1" />    </LinearLayout>    <LinearLayout        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:gravity="center_vertical"        android:padding="5dp">        <TextView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="性别: " />        <RadioGroup            android:id="@+id/rg_gender"            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:orientation="horizontal"            android:padding="10dp">            <RadioButton                android:id="@+id/rb_man"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:checked="true"                android:text="男" />            <RadioButton                android:id="@+id/rb_wom"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="女" />        </RadioGroup>    </LinearLayout>    <LinearLayout        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:padding="5dp">        <TextView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="号码: " />        <EditText            android:id="@+id/et_number"            android:layout_width="0dp"            android:layout_height="wrap_content"            android:layout_weight="1" />    </LinearLayout></LinearLayout>

item_main布局

<?xml version="1.0" encoding="utf-8"?><com.atguigu.listviewadapter.util.SlideLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="70dp">    <include        android:id="@+id/item_content"        layout="@layout/item_adapter" />    <include        android:id="@+id/item_delete"        layout="@layout/item_delete" /></com.atguigu.listviewadapter.util.SlideLayout>

item_adapter布局

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="70dp"    android:layout_centerVertical="true"    android:orientation="horizontal"    android:gravity="center_vertical"    android:padding="5dp">    <ImageView        android:id="@+id/item_touxiang"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_marginLeft="5dp"        android:layout_marginRight="10dp"        android:src="@mipmap/touxiang" />    <LinearLayout        android:layout_width="0dp"        android:layout_height="wrap_content"        android:layout_weight="1"        android:layout_gravity="center_vertical"        android:gravity="center_vertical"        android:orientation="vertical">        <TextView            android:id="@+id/item_name"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:gravity="center"            android:text="name" />        <TextView            android:id="@+id/item_gender"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:gravity="center"            android:text="gender" />        <TextView            android:id="@+id/item_number"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:gravity="center"            android:text="number" />    </LinearLayout>    <Button        android:id="@+id/send"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:focusable="false"        android:text="发信息" />    <Button        android:id="@+id/call"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:focusable="false"        android:text="打电话" /></LinearLayout>

item_delete布局

<?xml version="1.0" encoding="utf-8"?><TextView xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="wrap_content"    android:layout_height="60dp"    android:background="#ff0000"    android:gravity="center"    android:text="删除"    android:textSize="25sp"    android:padding="5dp"    android:textColor="#ffffff"/>

三、代码

自定义控件代码

package com.atguigu.listviewadapter.util;import android.content.Context;import android.util.AttributeSet;import android.view.MotionEvent;import android.view.View;import android.widget.FrameLayout;import android.widget.Scroller;/** * 自定义控件，侧滑菜单item */public class SlideLayout extends FrameLayout {    private View contentView;    private View deleteView;    /**     * 滚动器     */    private Scroller scroller;    /**     * ContentView的宽     */    private int contentWidth;    private int deleteWidth;    private int viewHeight; //他们的高都是相同的    public SlideLayout(Context context, AttributeSet attrs) {        super(context, attrs);        scroller = new Scroller(context);    }    /**     * 当布局文件加载完成的时候回调这个方法     */    @Override    protected void onFinishInflate() {        super.onFinishInflate();        contentView = getChildAt(0);        deleteView = getChildAt(1);    }    /**     * 在测量方法里，得到各个控件的宽和高     *     * @param widthMeasureSpec     * @param heightMeasureSpec     */    @Override    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {        super.onMeasure(widthMeasureSpec, heightMeasureSpec);        contentWidth = contentView.getMeasuredWidth();        deleteWidth = deleteView.getMeasuredWidth();        viewHeight = getMeasuredHeight();    }    @Override    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {        super.onLayout(changed, left, top, right, bottom);        //指定菜单的位置        deleteView.layout(contentWidth, 0, contentWidth + deleteWidth, viewHeight);    }    private float startX;    private float startY;    private float downX;//只赋值一次    private float downY;    /**     * 解决滑动item后不能自动打开或者关闭     * @param event     * @return     */    @Override    public boolean onTouchEvent(MotionEvent event) {        switch (event.getAction()) {            case MotionEvent.ACTION_DOWN:                //1.按下记录坐标                downX = startX = event.getX();                downY = startY = event.getY();                break;            case MotionEvent.ACTION_MOVE:                //2.记录结束值                float endX = event.getX();                float endY = event.getY();                //3.计算偏移量                float distanceX = endX - startX;                int toScrollX = (int) (getScrollX() - distanceX);                //屏蔽非法值                if (toScrollX < 0) {                    toScrollX = 0;                } else if (toScrollX > deleteWidth) {                    toScrollX = deleteWidth;                }                scrollTo(toScrollX, getScrollY());                startX = event.getX();                startY = event.getY();                //在X轴和Y轴滑动的距离                float DX = Math.abs(endX - downX);                float DY = Math.abs(endY - downY);                //解决item滑动后不能自动打开和关闭                if (DX > DY && DX > 8) {                    //水平方向滑动                    //响应侧滑                    //反拦截，事件给SlideLayout                    getParent().requestDisallowInterceptTouchEvent(true);                }                break;            case MotionEvent.ACTION_UP:                int totalScrollX = getScrollX();//偏移量                if (totalScrollX < deleteWidth / 2) {                    //关闭delete按钮                    closeDelete();                } else {                    //打开delete按钮                    openDelete();                }                break;        }        return true;    }    /**     * true:拦截孩子的事件，但会执行当前控件的onTouchEvent()方法     * false:不拦截孩子的事件，事件继续传递     *     * @param event     * @return     */    @Override    public boolean onInterceptTouchEvent(MotionEvent event) {        boolean intercept = false;        switch (event.getAction()) {            case MotionEvent.ACTION_DOWN:                //1.按下记录坐标                downX = startX = event.getX();                downY = startY = event.getY();                if(onStateChangeListenter != null){                    onStateChangeListenter.onDown(this);                }                break;            case MotionEvent.ACTION_MOVE:                //2.记录结束值                float endX = event.getX();                //3.计算偏移量                startX = event.getX();                //在X轴和Y轴滑动的距离                float DX = Math.abs(endX - downX);                //解决item滑动后不能自动打开和关闭                if (DX > 8) {                    intercept = true;                }                break;            case MotionEvent.ACTION_UP:                break;        }        return intercept;    }    /**     * 关闭delete按钮     */    public void closeDelete() {        //目标位置 --> 0        int distanceX = 0 - getScrollX();        scroller.startScroll(getScrollX(), getScrollY(), distanceX, getScrollY());        invalidate();//强制刷新        if(onStateChangeListenter != null){            onStateChangeListenter.onClose(this);        }    }    /**     * 打开delete按钮     */    public void openDelete() {        //目标位置 --> deleteWidth        int distanceX = deleteWidth - getScrollX();        scroller.startScroll(getScrollX(), getScrollY(), distanceX, getScrollY());        invalidate();//强制刷新        if(onStateChangeListenter != null){            onStateChangeListenter.onOpen(this);        }    }    /**     * 调用invalidate()时自动调用此方法     */    @Override    public void computeScroll() {        super.computeScroll();        if (scroller.computeScrollOffset()) {            scrollTo(scroller.getCurrX(), scroller.getCurrY());            invalidate();        }    }    /**     * 监听SlideLayout状态的改变     * 限制只能打开一个item     */    public interface OnStateChangeListenter{        void onClose(SlideLayout layout);        void onDown(SlideLayout layout);        void onOpen(SlideLayout layout);    }    private OnStateChangeListenter onStateChangeListenter;    public void setOnStateChangeListenter(OnStateChangeListenter onStateChangeListenter){        this.onStateChangeListenter = onStateChangeListenter;    }}

数据库帮助类代码

package com.atguigu.listviewadapter.db;import android.content.Context;import android.database.sqlite.SQLiteDatabase;import android.database.sqlite.SQLiteOpenHelper;/** * Created by YY on 2017/7/6. */public class PersonOpenHelper extends SQLiteOpenHelper {    /**     * Person建表语句     */    public static final String CREATE_PERSON = "create table Person(id integer primary key autoincrement,personId integer,name text,gender text,number text)";    public PersonOpenHelper(Context context, String name, SQLiteDatabase.CursorFactory factory, int version) {        super(context, name, factory, version);    }    @Override    public void onCreate(SQLiteDatabase db) {        db.execSQL(CREATE_PERSON);//创建Person表    }    @Override    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {    }}

数据库操作类代码

package com.atguigu.listviewadapter.model;import android.content.ContentValues;import android.content.Context;import android.database.Cursor;import android.database.sqlite.SQLiteDatabase;import com.atguigu.listviewadapter.Person;import com.atguigu.listviewadapter.db.PersonOpenHelper;import java.util.ArrayList;import java.util.List;/** * Created by YY on 2017/7/6. */public class PersonDB {    /**     * 数据库名     */    public static final String DB_NAME = "listview_adapter";    /**     * 数据库版本     */    public static final int VERSION = 1;    private static PersonDB personDB;    private SQLiteDatabase db;    /**     * 将构造方法私有化     */    private PersonDB(Context context) {        PersonOpenHelper dbHelper = new PersonOpenHelper(context, DB_NAME, null, VERSION);        db = dbHelper.getWritableDatabase();    }    /**     * 获取PersonDB的实例     */    public synchronized static PersonDB getInstance(Context context) {        if (personDB == null) {            personDB = new PersonDB(context);        }        return personDB;    }    public void savePerson(Person person) {        if (person != null) {            ContentValues values = new ContentValues();            values.put("name", person.getName());            values.put("gender", person.getGender());            values.put("number", person.getNamber());            db.insert("Person", null, values);        }    }    /**     * 从数据库中读取人的信息     */    public List<Person> showPerson() {        List<Person> list = new ArrayList<Person>();        Cursor cursor = db.query("Person", null, null, null, null, null, null);        if (cursor.moveToFirst()) {            do {                Person person = new Person();                person.setPersonId(cursor.getInt(cursor.getColumnIndex("id")));                person.setName(cursor.getString(cursor.getColumnIndex("name")));                person.setGender(cursor.getString(cursor.getColumnIndex("gender")));                person.setNamber(cursor.getString(cursor.getColumnIndex("number")));                list.add(person);            } while (cursor.moveToNext());        }        if (cursor != null) {            cursor.close();        }        return list;    }    /**     * 从数据库中删除人的信息     */    public void deletePerson(int personId) {        db.delete("Person", "id=?", new String[]{personId + ""});    }    /**     * 从数据库中更新人的信息     */    public void updatePerson(Person person) {        ContentValues contentValues = new ContentValues();        contentValues.put("name", person.getName());        contentValues.put("gender", person.getGender());        contentValues.put("number", person.getNamber());        db.update("Person", contentValues, "id=?", new String[]{person.getPersonId() + ""});    }}

Person类代码

package com.atguigu.listviewadapter;import android.graphics.drawable.Drawable;import java.io.Serializable;/** * Created by YY on 2017/7/6. */public class Person implements Serializable {    private int personId;    private String name;    private String gender;    private String namber;    public Person() {    }    public String getName() {        return name;    }    public void setName(String name) {        this.name = name;    }    public String getGender() {        return gender;    }    public void setGender(String gender) {        this.gender = gender;    }    public String getNamber() {        return namber;    }    public void setNamber(String namber) {        this.namber = namber;    }    public Person(int personId, String name, String gender, String namber) {        this.name = name;        this.gender = gender;        this.namber = namber;    }    public int getPersonId() {        return personId;    }    public void setPersonId(int personId) {        this.personId = personId;    }    @Override    public String toString() {        return "Person{" +                "personId=" + personId +                ", name='" + name + '\'' +                ", gender='" + gender + '\'' +                ", namber='" + namber + '\'' +                '}';    }}

MainActivity类代码

package com.atguigu.listviewadapter;import android.app.Activity;import android.content.Intent;import android.database.Cursor;import android.database.sqlite.SQLiteDatabase;import android.net.Uri;import android.os.Bundle;import android.util.Log;import android.view.View;import android.view.ViewGroup;import android.view.Window;import android.widget.BaseAdapter;import android.widget.Button;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.ListView;import android.widget.TextView;import com.atguigu.listviewadapter.model.PersonDB;import com.atguigu.listviewadapter.util.SlideLayout;import java.util.List;public class MainActivity extends Activity {    private TextView tv_add;    private ListView lv_main;    private MyAdapter myAdapter;    private List<Person> list;    private int requestCode = 2;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        requestWindowFeature(Window.FEATURE_NO_TITLE);        setContentView(R.layout.activity_main);        tv_add = (TextView) findViewById(R.id.tv_add);        lv_main = (ListView) findViewById(R.id.lv_main);        tv_add.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                Intent intent = new Intent(MainActivity.this, AddActivity.class);                startActivityForResult(intent, requestCode);            }        });        //添加数据        PersonDB personDB = PersonDB.getInstance(this);        list = personDB.showPerson();        //设置BaseAdapter        myAdapter = new MyAdapter();        //添加到lv_main中        lv_main.setAdapter(myAdapter);    }    @Override    protected void onActivityResult(int requestCode, int resultCode, Intent data) {        if (requestCode == 2) {            if (resultCode == 3) {                // 从data中取出数据                Person person = (Person) data.getSerializableExtra("person_data");                list.add(person);            }        }        if (requestCode == 5) {            if (resultCode == 4) {                Log.e("onActivityResult", "onActivityResult");                list.clear();                PersonDB personDB = PersonDB.getInstance(this);                list = personDB.showPerson();            }        }        myAdapter.notifyDataSetChanged();    }    public class MyAdapter extends BaseAdapter {        @Override        public int getCount() {            return list.size();        }        @Override        public Object getItem(int position) {            return null;        }        @Override        public long getItemId(int position) {            return 0;        }        @Override        public View getView(final int position, View convertView, ViewGroup parent) {            ViewHolder viewHolder;            if (convertView == null) {                convertView = View.inflate(MainActivity.this, R.layout.item_main, null);                viewHolder = new ViewHolder();                //得到当前行的数据对象                viewHolder.item_delete = (TextView) convertView.findViewById(R.id.item_delete);                viewHolder.item_content = (LinearLayout) convertView.findViewById(R.id.item_content);                viewHolder.imageView = (ImageView) viewHolder.item_content.findViewById(R.id.item_touxiang);                viewHolder.nameTV = (TextView) viewHolder.item_content.findViewById(R.id.item_name);                viewHolder.genderTV = (TextView) viewHolder.item_content.findViewById(R.id.item_gender);                viewHolder.numberTV = (TextView) viewHolder.item_content.findViewById(R.id.item_number);                viewHolder.send = (Button) viewHolder.item_content.findViewById(R.id.send);                viewHolder.call = (Button) viewHolder.item_content.findViewById(R.id.call);                convertView.setTag(viewHolder);            } else {                viewHolder = (ViewHolder) convertView.getTag();            }            final Person person = list.get(position);            //设置数据            viewHolder.nameTV.setText(person.getName());            viewHolder.genderTV.setText(person.getGender());            viewHolder.numberTV.setText(person.getNamber());            final String number = list.get(position).getNamber();            /**             * 点击发信息，携带电话号码进入发信息界面             */            viewHolder.send.setOnClickListener(new View.OnClickListener() {                @Override                public void onClick(View v) {                    String actionSend = Intent.ACTION_SENDTO;                    Intent intentSend = new Intent(actionSend);                    intentSend.setData(Uri.parse("smsto:" + number));                    startActivity(intentSend);                }            });            /**             * 点击打电话，携带电话号码进入打电话界面             */            viewHolder.call.setOnClickListener(new View.OnClickListener() {                @Override                public void onClick(View v) {                    String actionCall = Intent.ACTION_DIAL;                    Intent intentCall = new Intent(actionCall);                    intentCall.setData(Uri.parse("tel:" + number));                    startActivity(intentCall);                }            });            /**             * 给每一个item_content设置监听，跳转到AddActivity界面，用于更新数据             */            viewHolder.item_content.setOnClickListener(new View.OnClickListener() {                @Override                public void onClick(View v) {                    Person person = list.get(position);                    Intent intent = new Intent(MainActivity.this, AddActivity.class);                    intent.putExtra("onClick_item", true);                    intent.putExtra("person", person);                    int requestCode2 = 5;                    startActivityForResult(intent, requestCode2);                }            });            /**             * 点击删除按钮，删除数据库中的数据和删除列表中的数据，并更新列表             */            viewHolder.item_delete.setOnClickListener(new View.OnClickListener() {                @Override                public void onClick(View v) {                    Person personDelete = list.get(position);                    PersonDB personDB = PersonDB.getInstance(MainActivity.this);                    personDB.deletePerson(personDelete.getPersonId());                    list.remove(position);                    SlideLayout slideLayout = (SlideLayout) v.getParent();                    slideLayout.closeDelete();                    myAdapter.notifyDataSetChanged();                }            });            SlideLayout slideLayout = (SlideLayout) convertView;            slideLayout.setOnStateChangeListenter(new MyOnStateChangeListenter());            return convertView;        }    }    private SlideLayout slideLayout;    class MyOnStateChangeListenter implements SlideLayout.OnStateChangeListenter {        @Override        public void onClose(SlideLayout layout) {            if (slideLayout == layout) {                slideLayout = null;            }        }        @Override        public void onDown(SlideLayout layout) {            if (slideLayout != null && slideLayout != layout) {                slideLayout.closeDelete();            }        }        @Override        public void onOpen(SlideLayout layout) {            slideLayout = layout;        }    }    private static class ViewHolder {        TextView item_delete;        LinearLayout item_content;        ImageView imageView;        TextView nameTV;        TextView genderTV;        TextView numberTV;        Button send;        Button call;    }}

AddActivity代码

package com.atguigu.listviewadapter;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.util.Log;import android.view.View;import android.view.Window;import android.widget.EditText;import android.widget.ImageView;import android.widget.RadioButton;import android.widget.RadioGroup;import android.widget.TextView;import com.atguigu.listviewadapter.model.PersonDB;public class AddActivity extends Activity implements View.OnClickListener {    private TextView cancel;    private TextView confirm;    private ImageView iv_touxiang;    private EditText et_name;    private RadioGroup rg_gender;    private EditText et_number;    private String gender = "男";    /**     * 是否是点击onItemClick跳转过来的     */    private boolean isFromItem;    /**     * 记录更新的person     */    private Person itemPerson;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        requestWindowFeature(Window.FEATURE_NO_TITLE);        setContentView(R.layout.activity_add);        cancel = (TextView) findViewById(R.id.cancel);        confirm = (TextView) findViewById(R.id.confirm);        iv_touxiang = (ImageView) findViewById(R.id.iv_touxiang);        et_name = (EditText) findViewById(R.id.et_name);        rg_gender = (RadioGroup) findViewById(R.id.rg_gender);        et_number = (EditText) findViewById(R.id.et_number);        //如果是从Item中跳转过来，设置数据        isFromItem = getIntent().getBooleanExtra("onClick_item", false);        itemPerson = (Person) getIntent().getSerializableExtra("person");        if (isFromItem) {            et_name.setText(itemPerson.getName());            String gender_item = itemPerson.getGender();            if (gender_item.equals(gender)) {                rg_gender.check(R.id.rb_man);            } else {                rg_gender.check(R.id.rb_wom);            }            et_number.setText(itemPerson.getNamber());        }        rg_gender.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {            @Override            public void onCheckedChanged(RadioGroup group, int checkedId) {                RadioButton checked = (RadioButton) findViewById(checkedId);                gender = checked.getText().toString();            }        });        cancel.setOnClickListener(this);        confirm.setOnClickListener(this);    }    @Override    public void onClick(View v) {        switch (v.getId()) {            case R.id.cancel:                finish();                break;            case R.id.confirm:                String name = et_name.getText().toString();                String number = et_number.getText().toString();                if (!isFromItem) {                    Person person = new Person();                    person.setName(name);                    person.setGender(gender);                    person.setNamber(number);                    PersonDB personDB = PersonDB.getInstance(this);                    personDB.savePerson(person);                    Intent intent = new Intent();                    intent.putExtra("person_data", person);                    int resultCode = 3;                    setResult(resultCode, intent);                } else {                    PersonDB personDB = PersonDB.getInstance(this);                    itemPerson.setName(name);                    itemPerson.setGender(gender);                    itemPerson.setNamber(number);                    personDB.updatePerson(itemPerson);                    Intent intent = new Intent();                    int resultCode = 4;                    setResult(resultCode, intent);                }                finish();                break;        }    }}