读取通讯录信息

[android]代码库

1.申请权限

<uses-permission android:name="android.permission.READ_CONTACTS" />  
<uses-permission android:name="android.permission.WRITE_CONTACTS" />

2.MainActivity.java

package com.example.acer.anew;

import android.app.Activity;
import android.content.ContentResolver;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.EditText;

public class MainActivity extends AppCompatActivity {
            EditText text;
            String username,usernumber;

            @Override
            public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.activity_main);
                text = (EditText)findViewById(R.id.editText);
            }


            public void click(View v){
                startActivityForResult(new Intent(
                        Intent.ACTION_PICK,ContactsContract.Contacts.CONTENT_URI), 0);
            }

            @Override
            protected void onActivityResult(int requestCode, int resultCode, Intent data) {
                super.onActivityResult(requestCode, resultCode, data);
                if (resultCode == Activity.RESULT_OK) {
                    ContentResolver reContentResolverol = getContentResolver();
                    Uri contactData = data.getData();
                    @SuppressWarnings("deprecation")
                    Cursor cursor = managedQuery(contactData, null, null, null, null);
                    cursor.moveToFirst();
                    username = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
                    String contactId = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts._ID));
                    Cursor phone = reContentResolverol.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
                            null,
                            ContactsContract.CommonDataKinds.Phone.CONTACT_ID + " = " + contactId,
                            null,
                            null);
                    while (phone.moveToNext()) {
                        usernumber = phone.getString(phone.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
                        text.setText(usernumber+" ("+username+")");
                    }
                }
            }
        }