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">
<application
android: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">
<activity
android: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">
<ListView
android: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;
@Override
protected 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();
}
}
@Override
public 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() {
@Override
public 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 {
@Override
public int getCount() {
return phoneDtos.size();
}
@Override
public Object getItem(int position) {
return phoneDtos.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@SuppressLint("NewApi")
@Override
public 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uri
private 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