對手機聯絡人的一些操作
阿新 • • 發佈：2018-11-04
首先,我們建立佈局檔案
main的主體佈局
<?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="點選新增一個聯絡人"/> <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> <!--Fragment替換該位置--> <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>
這是dialog的佈局檔案
<?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>
這是fragment的佈局檔案
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@android:color/holo_blue_light" > <TextView android:layout_width="match_parent" android:layout_height="match_parent" android:text="抽屜中過的Fragment"/> </FrameLayout>
這是item佈局檔案
<?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>這是主體程式碼
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 欄位
private Uri phoneUri = ContactsContract.CommonDataKinds.Phone.CONTENT_URI;
// data 表中的 email 欄位
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();
}
//獲取手機聯絡人並展示在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);
// 點選 刪除 一條聯絡人資料
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();
}
}
});
}
// 獲取聯絡人
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()) {
// 用來儲存查詢到的結果值
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);
// 根據 拿到的 rawId 查詢data 表中的資料
// 獲取電話號碼
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();
// 查詢 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();
// 一次迴圈 代表一個聯絡人
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("你確定要新增這個聯絡人嗎？");
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("確定", 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();
//新增聯絡人
addContact(name, phone, email);
}
}).setNegativeButton("取消", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
}
});
builder.show();
}
// 新增聯絡人
private void addContact(String name, String phone, String email) {
// 先插入一條資料到 raw_contacts 表中 獲取者跳資料的 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);
// 電話號碼
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);
// 重新整理一下
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);
//將fragment新增到佔位的位置
fm = getSupportFragmentManager();
fm.beginTransaction().replace(R.id.left_layout,new BlankFragment()).commit();
//設定導航欄圖示
mToolbar.setNavigationIcon(R.mipmap.ic_launcher);
//設定導航欄圖示監聽
mToolbar.setNavigationOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
mDrawerLayout.openDrawer(Gravity.LEFT);
}
});
}
}這是BlankFragment的程式碼
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);
}
}這是MyPhoneAdapter的主體
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 暖陽學長 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);
}
}
}
這是PersonInfo的主體
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 + '\'' +
'}';
}
}
最後不要忘了新增依賴
compile 'com.android.support:recyclerview-v7:25.3.1'