android 获取通讯录并显示listview，android内录音频

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.net.Uri;

import android.os.Bundle;

import android.provider.ContactsContract;

import android.provider.ContactsContract.CommonDataKinds.Phone;

import android.text.TextUtils;

import android.util.Log;

import android.view.LayoutInflater;

import android.view.Menu;

import android.view.View;

import android.view.ViewGroup;

import android.widget.BaseAdapter;

import android.widget.ImageView;

import android.widget.ListView;

import android.widget.TextView;

public class MainActivity extends Activity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

getPhoneContacts();

Log.e(“YQY”, mContacts.size() + “-------------mContacts---------”);

initList();

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

// Inflate the menu; this adds items to the action bar if it is present.

getMenuInflater().inflate(R.menu.main, menu);

return true;

}

/** 联系人名称 **/

private ArrayList mContacts = new ArrayList();

private static final String[] PHONES_PROJECTION = new String[] {

Phone.DISPLAY_NAME, Phone.NUMBER, Phone.PHOTO_ID, Phone.CONTACT_ID };

/** 联系人显示名称 **/

private static final int PHONES_DISPLAY_NAME_INDEX = 0;

/** 电话号码 **/

private static final int PHONES_NUMBER_INDEX = 1;

/** 头像ID **/

private static final int PHONES_PHOTO_ID_INDEX = 2;

/** 联系人的ID **/

private static final int PHONES_CONTACT_ID_INDEX = 3;

private void getPhoneContacts() {

ContentResolver resolver = getContentResolver();

try {

// 获取手机联系人

Cursor phoneCursor = resolver.query(Phone.CONTENT_URI,

PHONES_PROJECTION, null, null, null);

if (phoneCursor != null) {

while (phoneCursor.moveToNext()) {

// 得到手机号码

String phoneNumber = phoneCursor

.getString(PHONES_NUMBER_INDEX);

// 当手机号码为空的或者为空字段 跳过当前循环

if (TextUtils.isEmpty(phoneNumber))

continue;

// 得到联系人名称

String contactName = phoneCursor

.getString(PHONES_DISPLAY_NAME_INDEX);

// 得到联系人ID

Long contactid = phoneCursor

.getLong(PHONES_CONTACT_ID_INDEX);

// 得到联系人头像ID

Long photoid = phoneCursor.getLong(PHONES_PHOTO_ID_INDEX);

// 得到联系人头像Bitamp

Bitmap contactPhoto = null;

// photoid 大于0 表示联系人有头像 如果没有给此人设置头像则给他一个默认的

if (photoid > 0) {

Uri uri = ContentUris.withAppendedId(

ContactsContract.Contacts.CONTENT_URI,

contactid);

InputStream input = ContactsContract.Contacts

.openContactPhotoInputStream(resolver, uri);

contactPhoto = BitmapFactory.decodeS
tream(input);

} else {

contactPhoto = BitmapFactory.decodeResource(

getResources(), R.drawable.ic_launcher);

}

ContactEntity mContact = new ContactEntity(contactName,

phoneNumber, contactPhoto);

mContacts.add(mContact);

}

phoneCursor.close();

}

} catch (Exception e) {

e.printStackTrace();

}

}

private void initList() {

ListView lv = (ListView) findViewById(R.id.listView1);

lv.setAdapter(new MyAdapter());

}

class MyAdapter extends BaseAdapter {

@Override

public int getCount() {

if (mContacts != null && mContacts.size() > 0) {

return mContacts.size();

} else {

return 0;

}

}

@Override

public Object getItem(int position) {

if (mContacts != null && mContacts.size() > 0) {

return mContacts.get(position);

} else {

return null;

}

}

@Override

public long getItemId(int arg0) {

// TODO Auto-generated method stub

return arg0;

}

@Override

public View getView(int position, View convertView, ViewGroup parent) {

ViewHolder holder = null;

if (convertView == null) {

holder = new ViewHolder();

convertView = LayoutInflater.from(MainActivity.this).inflate(

R.layout.item_contact, null);

holder.name = (TextView) convertView.findViewById(R.id.tv_name);

holder.number = (TextView) convertView

.findViewById(R.id.tv_number);

holder.photo = (ImageView) convertView

.findViewById(R.id.iv_photo);

convertView.setTag(holder);

}else{

holder = (ViewHolder) convertView.getTag();

}

ContactEntity contact = mContacts.get(position);

holder.name.setText(contact.getName()+"");

holder.number.setText(contact.getNumber()+"");

holder.photo = (ImageView) convertView

.findViewById(R.id.iv_photo);

convertView.setTag(holder);

}else{

holder = (ViewHolder) convertView.getTag();

}

ContactEntity contact = mContacts.get(position);

holder.name.setText(contact.getName()+"");

holder.number.setText(contact.getNumber()+"");

标签：mContacts,通讯录,内录,import,android,null,holder,convertView
来源： https://blog.csdn.net/m0_66144836/article/details/122408167