Android 链接通讯录拨打电话

下载链接 （ps：鉴于上传限制，文件中只包含了main下的主要文件）

目录结构如下：

java代码
  Contacts.java
  ContactsAdapter.java
  MainActivity.java

layout布局
  activity_main.xml
  list_layout.xml

Contacts.java

package com.example.call;


public class Contacts {

    private String name;
    private String tel;

    public Contacts(String name, String tel) {
        this.name = name;
        this.tel = tel;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getTel() {
        return tel;
    }

    public void setTel(String tel) {
        this.tel = tel;
    }
}

ContactsAdapter.java

package com.example.call;

import android.content.Context;
import android.support.annotation.NonNull;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.TextView;

import java.util.List;

/**
 * Created by Administrator on 2019/7/11.
 */

public class ContactsAdapter extends ArrayAdapter<Contacts> {

    private int resourceId;

    public ContactsAdapter(Context context, int textViewResourceId, List<Contacts> objects) {
        super(context, textViewResourceId, objects);
        resourceId = textViewResourceId;
    }

    @NonNull
    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        Contacts contacts = getItem(position);
        View view = LayoutInflater.from(getContext()).inflate(resourceId, parent, false);
        TextView list_name = (TextView) view.findViewById(R.id.list_name);
        TextView list_tel = (TextView) view.findViewById(R.id.list_tel);
        list_name.setText(contacts.getName());
        list_tel.setText(contacts.getTel());
        return view;

    }

}

MainActivity.java

package com.example.call;

import android.Manifest;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.net.Uri;
import android.provider.ContactsContract;
import android.support.annotation.NonNull;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {

    private List<Contacts> contactsList = new ArrayList<>();
    private Button btn;
    private ListView listView;
    private String tel;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        btn = (Button) findViewById(R.id.init_btn);
        listView = (ListView) findViewById(R.id.contacts_listView);

        if (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
            ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.READ_CONTACTS}, 1);
        }

        if (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.CALL_PHONE) != PackageManager.PERMISSION_GRANTED) {
            ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.CALL_PHONE}, 1);
        }


        btn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
                    Toast.makeText(MainActivity.this, "无权限", Toast.LENGTH_SHORT).show();
                } else {
                    initDate();
                }
            }
        });
        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                Contacts contacts = contactsList.get(position);
                tel = contacts.getTel();
                AlertDialog.Builder dialog = new AlertDialog.Builder(MainActivity.this);
                dialog.setTitle("提示");
                dialog.setMessage("将拨打电话");
                dialog.setPositiveButton("确认", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        if (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.CALL_PHONE) != PackageManager.PERMISSION_GRANTED) {
                            ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.CALL_PHONE}, 1);
                        } else {
                            call(tel);
                        }

                    }
                });
                dialog.setNegativeButton("取消", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {

                    }
                });
                dialog.show();
            }
        });
    }

    private void call(String tel) {
        try {
            Intent intent = new Intent(Intent.ACTION_CALL);
            intent.setData(Uri.parse("tel:" + tel));
            startActivity(intent);
        } catch (SecurityException e) {
            e.printStackTrace();
        }
    }


    private void initDate() {
        Cursor cursor = null;
        try {
            cursor = getContentResolver().query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null, null, null, null, null);
            if (cursor != null) {
                while (cursor.moveToNext()) {
                    String displayName = cursor.getString(cursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME));
                    String number = cursor.getString(cursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
                    contactsList.add(new Contacts(displayName, number));
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (cursor != null) {
                cursor.close();
            }
        }
        if (contactsList.size() > 0) {
            ContactsAdapter adapter = new ContactsAdapter(MainActivity.this, R.layout.list_layout, contactsList);
            listView.setAdapter(adapter);
        }
    }

}

activity_main.xml.java

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="com.example.call.MainActivity">
    <Button
        android:id="@+id/init_btn"
        android:text="初始化通讯录"
        android:layout_gravity="center"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />
    <ListView
        android:id="@+id/contacts_listView"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>


</LinearLayout>

list_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <TextView
        android:id="@+id/list_name"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textSize="20sp"/>

    <TextView
        android:id="@+id/list_tel"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

</LinearLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.call">

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

</manifest>

完！