读写通讯录

ContactUtil.kt

import android.app.Activity
import android.content.*
import android.database.Cursor
import android.provider.ContactsContract
import android.util.Log

object ContactUtil {
    private const val TAG = "ContactUtil"

    fun getContacts(context: Context): StringBuilder {
        Log.d(TAG, "getContacts on thread ${Thread.currentThread().name}")
        val builder = StringBuilder()
        val resolver: ContentResolver = context.contentResolver
        val optionalCursor = resolver.query(
            ContactsContract.Contacts.CONTENT_URI,
            null, null, null, null
        )
        if (optionalCursor == null) {
            Log.d(TAG, "no contacts")
            return StringBuilder()
        }
        Log.d(TAG, "count is ${optionalCursor.count}")

        val cursor = optionalCursor
        if (cursor.count > 0) {
            while (cursor.moveToNext()) {
                val id = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts._ID))
                val name =
                    cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME))
                val phoneNumber = (cursor.getString(
                    cursor.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER)
                )).toInt()

                if (phoneNumber > 0) {
                    val cursorPhone = context.contentResolver.query(
                        ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
                        null,
                        ContactsContract.CommonDataKinds.Phone.CONTACT_ID + "=?",
                        arrayOf(id),
                        null
                    ) as Cursor

                    if (cursorPhone.count > 0) {
                        while (cursorPhone.moveToNext()) {
                            val phoneNumValue = cursorPhone.getString(
                                cursorPhone.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER)
                            )
                            builder.append("Contact: ").append(name).append(", Phone Number: ")
                                .append(
                                    phoneNumValue
                                ).append("\n\n")
                            Log.d(TAG, "Name ===>$phoneNumValue")
                        }
                    }
                    cursorPhone.close()
                }
            }
        }
        cursor.close()
        return builder
    }

    private fun addContactDirectly(context: Context) {
        val values = ContentValues()
        //首先向RawContacts.CONTENT_URI执行一个空值插入，目的是获取系统返回的rawContactId
        val rawContactUri = context.contentResolver.insert(ContactsContract.RawContacts.CONTENT_URI, values)
            ?: return
        val rawContactId = ContentUris.parseId(rawContactUri)
        //往data表入姓名数据
        values.clear()
        //添加id
        values.put(ContactsContract.Contacts.Data.RAW_CONTACT_ID, rawContactId)
        //添加内容类型（MIMETYPE）
        values.put(
            ContactsContract.Contacts.Data.MIMETYPE,
            ContactsContract.CommonDataKinds.StructuredName.CONTENT_ITEM_TYPE
        )
        //添加名字，添加到first name位置
        values.put(ContactsContract.CommonDataKinds.StructuredName.GIVEN_NAME, "测试姓名")
        context.contentResolver.insert(ContactsContract.Data.CONTENT_URI, values)
        //往data表入电话数据
        values.clear()
        values.put(ContactsContract.Contacts.Data.RAW_CONTACT_ID, rawContactId)
        values.put(ContactsContract.Contacts.Data.MIMETYPE, ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE)
        values.put(ContactsContract.CommonDataKinds.Phone.NUMBER, "123456789")
        values.put(ContactsContract.CommonDataKinds.Phone.TYPE, ContactsContract.CommonDataKinds.Phone.TYPE_MOBILE)
        context.contentResolver.insert(ContactsContract.Data.CONTENT_URI, values)
        //往data表入Email数据
        values.clear()
        values.put(ContactsContract.Contacts.Data.RAW_CONTACT_ID, rawContactId)
        values.put(ContactsContract.Contacts.Data.MIMETYPE, ContactsContract.CommonDataKinds.Email.CONTENT_ITEM_TYPE)
        values.put(ContactsContract.CommonDataKinds.Email.DATA, "test123456@gmail.com")
        values.put(ContactsContract.CommonDataKinds.Email.TYPE, ContactsContract.CommonDataKinds.Email.TYPE_WORK)
        context.contentResolver.insert(ContactsContract.Data.CONTENT_URI, values)
        Log.d(TAG, "success write a contact ")
    }

    private fun addContactByActivity(activity: Activity) {
        val name = "Test-Contact"
        val phone = "1000001"
        val intent = Intent(ContactsContract.Intents.Insert.ACTION)
        intent.type = ContactsContract.RawContacts.CONTENT_TYPE
        intent.putExtra(ContactsContract.Intents.Insert.NAME, name)
        intent.putExtra(ContactsContract.Intents.Insert.PHONE, phone)
        activity.startActivityForResult(intent, 1)
    }
}