Android studio基础练习07【获取手机通讯录】

一、结构搭建

二、代码实现

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"package="com.suke.getnameandphone"><applicationandroid:allowBackup="true"android:icon="@mipmap/ic_launcher"android:label="@string/app_name"android:roundIcon="@mipmap/ic_launcher_round"android:supportsRtl="true"android:theme="@style/Theme.GetNameAndPhone"><activityandroid:name=".MainActivity"android:exported="true"><intent-filter><action android:name="android.intent.action.MAIN" /><category android:name="android.intent.category.LAUNCHER" /></intent-filter></activity></application><uses-permission android:name="android.permission.WRITE_CONTACTS" /><uses-permission android:name="android.permission.READ_CONTACTS" /><uses-permission android:name="android.permission.GET_ACCOUNTS" /><uses-permission android:name="android.permission.CALL_PHONE" />
</manifest>

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:app="http://schemas.android.com/apk/res-auto"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"tools:context="com.suke.getnameandphone.MainActivity"><ListViewandroid:id="@+id/lv_main_list"android:layout_width="match_parent"android:layout_height="match_parent"></ListView></LinearLayout>

MainActivity

package com.suke.getnameandphone;import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;import android.Manifest;
import android.annotation.SuppressLint;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.content.ContentUris;
import android.content.ContentValues;
import android.widget.TextView;import java.util.List;public class MainActivity extends AppCompatActivity {private List<PhoneDto> phoneDtos;private ListView lv_main_list;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);check();}/*** 检查权限*/private void check() {//判断是否有权限if (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.READ_CONTACTS)!= PackageManager.PERMISSION_GRANTED) {ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.READ_CONTACTS}, 201);} else {initViews();}}@Overridepublic void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {super.onRequestPermissionsResult(requestCode, permissions, grantResults);if (requestCode == 201) {initViews();} else {return;}}private void initViews() {PhoneUtil phoneUtil = new PhoneUtil(this);phoneDtos = phoneUtil.getPhone();lv_main_list = (ListView) findViewById(R.id.lv_main_list);MyAdapter myAdapter = new MyAdapter();lv_main_list.setAdapter(myAdapter);//给listview增加点击事件/*lv_main_list.setOnItemClickListener(new AdapterView.OnItemClickListener() {@Overridepublic void onItemClick(AdapterView<?> parent, View view, int position, long id) {//拨打电话Intent intent = new Intent();intent.setAction("android.intent.action.CALL");intent.addCategory(Intent.CATEGORY_DEFAULT);intent.setData(Uri.parse("tel:"+phoneDtos.get(position).getTelPhone()));startActivity(intent);}});*/}//自定义适配器private class MyAdapter extends BaseAdapter {@Overridepublic int getCount() {return phoneDtos.size();}@Overridepublic Object getItem(int position) {return phoneDtos.get(position);}@Overridepublic long getItemId(int position) {return position;}@SuppressLint("NewApi")@Overridepublic View getView(int position, View convertView, ViewGroup parent) {PhoneDto phoneDto = phoneDtos.get(position);LinearLayout linearLayout = new LinearLayout(MainActivity.this);LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(0, LinearLayout.LayoutParams.WRAP_CONTENT);layoutParams.weight = 1;//序号TextView tv_id = new TextView(MainActivity.this);tv_id.setId(View.generateViewId());tv_id.setLayoutParams(layoutParams);tv_id.setText(phoneDto.getId());//姓名TextView tv_name = new TextView(MainActivity.this);tv_name.setId(View.generateViewId());tv_name.setLayoutParams(layoutParams);tv_name.setText(phoneDto.getName());//手机号TextView tv_num = new TextView(MainActivity.this);tv_num.setId(View.generateViewId());tv_num.setLayoutParams(layoutParams);tv_num.setText(phoneDto.getTelPhone());//视图显示linearLayout.addView(tv_id);linearLayout.addView(tv_name);linearLayout.addView(tv_num);return linearLayout;}}
}

PhoneDto

package com.suke.getnameandphone;public class PhoneDto {private String id;          //序号private String name;        //联系人姓名private String telPhone;    //电话号码public String getName() {return name;}public void setName(String name) {this.name = name;}public String getTelPhone() {return telPhone;}public void setTelPhone(String telPhone) {this.telPhone = telPhone;}public String getId() {return id;}public void setId(String id) {this.id = id;}public PhoneDto() {}public PhoneDto(String id, String name, String telPhone) {this.id = id;this.name = name;this.telPhone = telPhone;}
}

PhoneUtil

package com.suke.getnameandphone;import android.annotation.SuppressLint;
import android.content.ContentResolver;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.provider.ContactsContract;import java.util.ArrayList;
import java.util.List;public class PhoneUtil {//序号public final static String ID = ContactsContract.CommonDataKinds.Phone.CONTACT_ID;// 号码public final static String NUM = ContactsContract.CommonDataKinds.Phone.NUMBER;// 联系人姓名public final static String NAME = ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME;//上下文对象private Context context;//联系人提供者的uriprivate Uri phoneUri = ContactsContract.CommonDataKinds.Phone.CONTENT_URI;public PhoneUtil(Context context) {this.context = context;}//获取所有联系人public List<PhoneDto> getPhone() {List<PhoneDto> phoneDtos = new ArrayList<>();ContentResolver cr = context.getContentResolver();Cursor cursor = cr.query(phoneUri, new String[]{ID, NUM, NAME}, null, null, null);while (cursor.moveToNext()) {@SuppressLint("Range") PhoneDto phoneDto = new PhoneDto(cursor.getString(cursor.getColumnIndex(ID)), cursor.getString(cursor.getColumnIndex(NAME)), cursor.getString(cursor.getColumnIndex(NUM)));phoneDtos.add(phoneDto);}return phoneDtos;}
}

三、执行效果

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Android studio基础练习07【获取手机通讯录】

一、结构搭建

二、代码实现

AndroidManifest.xml

activity_main.xml

MainActivity

PhoneDto

PhoneUtil

三、执行效果

Android studio基础练习07【获取手机通讯录】相关推荐

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