对手机联系人的一些操作

落日映苍穹つ 2022-06-06 09:45 94阅读 0赞

首先,我们创建布局文件

main的主体布局

<?xml version="1.0" encoding="utf-8"?>
    <android.support.v4.widget.DrawerLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/drawerlayout"
        >
        <LinearLayout
            android:id="@+id/center"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical">
            <android.support.v7.widget.Toolbar
                android:id="@+id/toolbar"
                android:background="@android:color/holo_blue_light"
                android:layout_width="match_parent"
                android:layout_height="60dp"></android.support.v7.widget.Toolbar>
            <Button
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:onClick="onClick"
                android:text="点击添加一个联系人"/>
            <android.support.v7.widget.RecyclerView
                android:id="@+id/recyclerview"
                android:layout_width="match_parent"
                android:layout_height="match_parent"></android.support.v7.widget.RecyclerView>
    
        </LinearLayout>
    
        
        <FrameLayout
            android:id="@+id/left_layout"
            android:layout_width="300dp"
            android:layout_height="match_parent"
            android:layout_gravity="left"></FrameLayout>
    </android.support.v4.widget.DrawerLayout>

这是dialog的布局文件

<?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:orientation="vertical" >
    
        <EditText
            android:id="@+id/name_et"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" >
        </EditText>
    
        <EditText
            android:id="@+id/phone_et"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" />
    
        <EditText
            android:id="@+id/email_et"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" />
    
    </LinearLayout>

这是fragment的布局文件

这是item布局文件

<?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="wrap_content"
        android:orientation="vertical" >
    
        <TextView
            android:id="@+id/display_name_tv"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="5dp"
            android:text="TextView"
            android:textSize="18sp" />
    
        <TextView
            android:id="@+id/phone_tv"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="5dp"
            android:text="TextView"
            android:textSize="18sp" />
    
        <TextView
            android:id="@+id/email_tv"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="5dp"
            android:text="TextView"
            android:textSize="18sp" />
    
    </LinearLayout>

这是主体代码

import android.content.ContentResolver;
    import android.content.ContentUris;
    import android.content.ContentValues;
    import android.content.DialogInterface;
    import android.database.Cursor;
    import android.net.Uri;
    import android.os.Bundle;
    import android.provider.ContactsContract;
    import android.support.v4.app.FragmentManager;
    import android.support.v4.widget.DrawerLayout;
    import android.support.v7.app.AlertDialog;
    import android.support.v7.app.AppCompatActivity;
    import android.support.v7.widget.LinearLayoutManager;
    import android.support.v7.widget.RecyclerView;
    import android.support.v7.widget.Toolbar;
    import android.util.Log;
    import android.view.Gravity;
    import android.view.View;
    import android.view.Window;
    import android.widget.EditText;
    import java.util.ArrayList;
    import java.util.HashMap;
    import java.util.Map;
    
    public class MainActivity extends AppCompatActivity {
        private Toolbar mToolbar;
        private RecyclerView mRecyclerView;
        private DrawerLayout mDrawerLayout;
        private FragmentManager fm;
        private ContentResolver resolver;
    
    
    
        private ArrayList<PersonInfo> contacts = new ArrayList<PersonInfo>();
        private MyPhoneAdapter adapter;
        // raw_contacts 表的Uri
        private Uri rawContactsUri = ContactsContract.RawContacts.CONTENT_URI;
        // data 表的Uri
        private Uri dataUri = ContactsContract.Data.CONTENT_URI;
        // data表中的 phone 字段
        private Uri phoneUri = ContactsContract.CommonDataKinds.Phone.CONTENT_URI;
        // data 表中的 email 字段
        private Uri emailUri = ContactsContract.CommonDataKinds.Email.CONTENT_URI;
    
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            supportRequestWindowFeature(Window.FEATURE_NO_TITLE);
            setContentView(R.layout.activity_main);
            initView();
            initPhoneLink();
        }
        //获取手机联系人并展示在RecycleView中
        private void initPhoneLink() {
            resolver = getContentResolver();
    
            contacts.addAll(getContacts());
            Log.d("sxl", "initPhoneLink: "+contacts);
    
            adapter = new MyPhoneAdapter(contacts,MainActivity.this,mRecyclerView);
            mRecyclerView.setAdapter(adapter);
    
            // 点击 删除 一条联系人数据
            adapter.setOnItemClickListener(new MyPhoneAdapter.OnItemClickListener() {
                @Override
                public void onItemClick(View view, int position) {
                    int result = resolver.delete(rawContactsUri, "_id = ?",
                            new String[] { contacts.get(position).getRawId() });
    
                    if (result > 0) {
                        contacts.remove(position);
                        adapter.notifyDataSetChanged();
                    }
                }
            });
        }
        // 获取联系人
        private ArrayList<PersonInfo> getContacts() {
    
            ArrayList<PersonInfo> list = new ArrayList<PersonInfo>();
    
            Cursor rawCursor = resolver.query(rawContactsUri, new String[] { "_id", "display_name" }, null, null, null);
            if (rawCursor != null) {
                while (rawCursor.moveToNext()) {
                    // 用来存储查询到的结果值
                    Map<String, String> map = new HashMap<String, String>();
                    PersonInfo info = new PersonInfo();
    
                    String rawId = rawCursor.getString(0);
                    String display_name = rawCursor.getString(1);
                    info.setRawId(rawId);
                    info.setDisplay_name(display_name);
    //                map.put("rawId", rawId);
    //                map.put("display_name", display_name);
    
                    // 根据 拿到的 rawId 查询data 表中的数据
                    // 获取电话号码
                    Cursor phoneCursor = resolver.query(phoneUri, new String[] { "data1" }, "raw_contact_id = ?",
                            new String[] { rawId }, null);
                    if (phoneCursor != null) {
                        while (phoneCursor.moveToNext()) {
                            String phone = phoneCursor.getString(0);
                            info.setPhone(phone);
    //                        map.put("phone", phone);
                        }
                    }
    
                    phoneCursor.close();
    
                    // 查询 Email
                    Cursor emailCursor = resolver.query(emailUri, new String[] { "data1" }, "raw_contact_id = ?",
                            new String[] { rawId }, null);
                    if (emailCursor != null) {
                        while (emailCursor.moveToNext()) {
                            String email = emailCursor.getString(0);
                            info.setEmail(email);
    //                        map.put("email", email);
                        }
                    }
    
                    emailCursor.close();
                    // 一次循环 代表一个联系人
                    list.add(info);
                }
                rawCursor.close();
    
            }
            return list;
        }
    
        public void onClick(View view) {
            AlertDialog.Builder builder = new AlertDialog.Builder(this);
            builder.setIcon(R.mipmap.ic_launcher);
            builder.setTitle("警告");
            builder.setMessage("你确定要添加这个联系人吗？");
            View dialogView = View.inflate(this, R.layout.dialog_layout, null);
            builder.setView(dialogView);
    
            final EditText name_et = (EditText) dialogView.findViewById(R.id.name_et);
            final EditText phone_et = (EditText) dialogView.findViewById(R.id.phone_et);
            final EditText email_et = (EditText) dialogView.findViewById(R.id.email_et);
    
            builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
    
                @Override
                public void onClick(DialogInterface dialog, int which) {
    
                    String name = name_et.getText().toString();
                    String phone = phone_et.getText().toString();
                    String email = email_et.getText().toString();
                    //添加联系人
                    addContact(name, phone, email);
                }
    
            }).setNegativeButton("取消", new DialogInterface.OnClickListener() {
    
                @Override
                public void onClick(DialogInterface dialog, int which) {
    
                }
            });
            builder.show();
        }
    
        // 添加联系人
        private void addContact(String name, String phone, String email) {
    
            // 先插入一条数据到 raw_contacts 表中 获取者跳数据的 Id
            ContentValues values = new ContentValues();
            Uri uri = resolver.insert(rawContactsUri, values);
            long id = ContentUris.parseId(uri);
    
            // 插入name
            values.clear();
            values.put("raw_contact_id", id);
            values.put("data1", name);
            values.put("mimetype", "vnd.android.cursor.item/name");
            resolver.insert(dataUri, values);
    
            // 电话号码
            values.clear();
            values.put("raw_contact_id", id);
            values.put("data1", phone);
            values.put("mimetype", "vnd.android.cursor.item/phone_v2");
            resolver.insert(dataUri, values);
    
            // email
    
            values.clear();
            values.put("raw_contact_id", id);
            values.put("data1", email);
            values.put("mimetype", "vnd.android.cursor.item/email_v2");
            resolver.insert(dataUri, values);
    
            // 刷新一下
            contacts.clear();
            contacts.addAll(getContacts());
            adapter.notifyDataSetChanged();
        }
    
    
        private void initView() {
    
            mToolbar = (Toolbar) findViewById(R.id.toolbar);
            mRecyclerView = (RecyclerView) findViewById(R.id.recyclerview);
            LinearLayoutManager manager = new LinearLayoutManager(this);
            mRecyclerView.setLayoutManager(manager);
            mDrawerLayout = (DrawerLayout) findViewById(R.id.drawerlayout);
            //将fragment添加到占位的位置
            fm = getSupportFragmentManager();
            fm.beginTransaction().replace(R.id.left_layout,new BlankFragment()).commit();
            //设置导航栏图标
            mToolbar.setNavigationIcon(R.mipmap.ic_launcher);
            //设置导航栏图标监听
            mToolbar.setNavigationOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    mDrawerLayout.openDrawer(Gravity.LEFT);
                }
            });
        }
    }

这是BlankFragment的代码

import android.os.Bundle;
    import android.support.v4.app.Fragment;
    import android.view.LayoutInflater;
    import android.view.View;
    import android.view.ViewGroup;
    
    public class BlankFragment extends Fragment {
    
    
        public BlankFragment() {
        }
    
    
        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container,
                                 Bundle savedInstanceState) {
            return inflater.inflate(R.layout.fragment_blank, container, false);
        }
    
    }

这是MyPhoneAdapter的主体

import android.content.Context;
    import android.support.v7.widget.RecyclerView;
    import android.view.LayoutInflater;
    import android.view.View;
    import android.view.ViewGroup;
    import android.widget.TextView;
    import java.util.ArrayList;
    
    /**
     * Created by 暖阳学长 on 2017/11/6.
     */
    
    public class MyPhoneAdapter extends RecyclerView.Adapter<MyPhoneAdapter.ViewHolder> {
        private ArrayList<PersonInfo> mList;
        private Context mContext;
        private RecyclerView mRecyclerView;
        private LayoutInflater mInflater;
    
        public MyPhoneAdapter(ArrayList<PersonInfo> list, Context context, RecyclerView recyclerView) {
            mList = list;
            mContext = context;
            mRecyclerView = recyclerView;
            mInflater = LayoutInflater.from(mContext);
        }
    
        @Override
        public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
            View view = mInflater.inflate(R.layout.item_layout,parent,false);
            return new ViewHolder(view);
        }
    
        @Override
        public void onBindViewHolder(ViewHolder holder, final int position) {
            PersonInfo info = mList.get(position);
            holder.display_name_tv.setText(info.getDisplay_name());
            holder.email_tv.setText(info.getEmail());
            holder.phone_tv.setText(info.getPhone());
            holder.itemView.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    mListener.onItemClick(view,position);
                }
            });
        }
    
        @Override
        public int getItemCount() {
            return mList.size();
        }
        private OnItemClickListener mListener;
        public interface  OnItemClickListener{
            public void onItemClick(View view,int position);
        }
        public void setOnItemClickListener(OnItemClickListener mListener){
            this.mListener = mListener;
        }
    
        class ViewHolder extends RecyclerView.ViewHolder{
            TextView display_name_tv;
            TextView phone_tv;
            TextView email_tv;
    
            public ViewHolder(View itemView) {
                super(itemView);
                display_name_tv = (TextView) itemView.findViewById(R.id.display_name_tv);
                phone_tv = (TextView) itemView.findViewById(R.id.phone_tv);
                email_tv = (TextView) itemView.findViewById(R.id.email_tv);
            }
        }
    }

这是PersonInfo的主体

public class PersonInfo {
        private String rawId;
    
        private String display_name;
        private String phone;
        private String email;
    
        public PersonInfo(String rawId, String display_name, String phone, String email) {
            this.rawId = rawId;
            this.display_name = display_name;
            this.phone = phone;
            this.email = email;
        }
    
    
        public PersonInfo() {
        }
    
        public String getRawId() {
            return rawId;
        }
    
        public void setRawId(String rawId) {
            this.rawId = rawId;
        }
    
        public String getDisplay_name() {
            return display_name;
        }
    
        public void setDisplay_name(String display_name) {
            this.display_name = display_name;
        }
    
        public String getPhone() {
            return phone;
        }
    
        public void setPhone(String phone) {
            this.phone = phone;
        }
    
        public String getEmail() {
            return email;
        }
    
        public void setEmail(String email) {
            this.email = email;
        }
    
    
        @Override
        public String toString() {
            return "PersonInfo{" +
                    "rawId='" + rawId + '\'' +
                    ", display_name='" + display_name + '\'' +
                    ", phone='" + phone + '\'' +
                    ", email='" + email + '\'' +
                    '}';
        }
    }

最后不要忘了添加依赖

compile 'com.android.support:recyclerview-v7:25.3.1'