如何得知拨出电话来自我的应用程序？安卓

Question

我是Android开发的初学者。我想确保“OUTGOING”来自我的应用程序，而不是 Android 中的设备调用应用程序。我如何得到这个？意味着如果有人从我的应用程序呼叫，它将重定向到呼叫应用程序的设备的呼叫屏幕，当呼叫结束时，它将重定向回我的应用程序。如果有人从我的应用程序呼叫，我希望它显示呼叫是来自我的应用程序而不是设备应用程序。

我利用 CallLog.Calls 来确定呼叫的 TYPE。另外，我发现当我按下“呼叫”按钮时，会有一些毫秒的变化。那么，有什么办法可以确定这个“拨出”电话是否来自我的应用程序？

这是我的MainActivity.java：

package com.example.calllogsapp;

import android.Manifest;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.CallLog;
import android.util.Log;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import androidx.activity.EdgeToEdge;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
import androidx.core.graphics.Insets;
import androidx.core.view.ViewCompat;
import androidx.core.view.WindowInsetsCompat;

import com.google.android.material.floatingactionbutton.FloatingActionButton;

import java.text.SimpleDateFormat;
import java.util.Date;

public class MainActivity extends AppCompatActivity {

    EditText phoneNo;
    FloatingActionButton callbtn;
    static int PERMISSION_CODE = 100;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        EdgeToEdge.enable(this);
        setContentView(R.layout.activity_main);

        Log.d("MainActivity", "This is a debug message");
        phoneNo = findViewById(R.id.editTextPhone);
        callbtn = findViewById(R.id.callbtn);

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

        callbtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //Print before phone number
                long time= System.currentTimeMillis();
                SimpleDateFormat milliFormat = new SimpleDateFormat("HH:mm:ss:SSS");
                String currentBeforePhNo = milliFormat.format(time);
                //PhoneNumber
                String phoneno = phoneNo.getText().toString();
                //Intent
                Intent i = new Intent(Intent.ACTION_CALL);
                //Telephone
                i.setData(Uri.parse("tel:"+phoneno));
                //Start Activity
                startActivity(i);
                //Print After Start Activity
                String afterStart = milliFormat.format(time);
                System.out.println("After Start Activity:"+afterStart);
                Log.v("After Start Activity:", afterStart);
            }
        });

        if(ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.READ_CALL_LOG) != PackageManager.PERMISSION_GRANTED){
            if(ActivityCompat.shouldShowRequestPermissionRationale(MainActivity.this, Manifest.permission.READ_CALL_LOG)){
                ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.READ_CALL_LOG}, 1);
            }else{
                ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.READ_CALL_LOG}, 1);
            }
        }else {
            TextView textView = (TextView) findViewById(R.id.textView);
            textView.setText(getCallDetails());
        }

        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) -> {
            Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
            return insets;
        });
    }

    @Override
    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        switch (requestCode) {
            case 1: {
                if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                    if (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.READ_CALL_LOG) == PackageManager.PERMISSION_GRANTED) {
                        Toast.makeText(this, "Permission Granted!", Toast.LENGTH_SHORT).show();
                    }
                } else {
                    Toast.makeText(this, "No Permission Granted!", Toast.LENGTH_SHORT).show();
                }
                return;
            }
        }
    }

    private String getCallDetails(){
        StringBuffer sb = new StringBuffer();
        Cursor managedCursor = getContentResolver().query(CallLog.Calls.CONTENT_URI, null, null , null, android.provider.CallLog.Calls.DATE + " DESC", null);
        int name = managedCursor.getColumnIndex(CallLog.Calls.CACHED_NAME);
        int number = managedCursor.getColumnIndex(CallLog.Calls.NUMBER);
        int type = managedCursor.getColumnIndex(CallLog.Calls.TYPE);
        int date = managedCursor.getColumnIndex(CallLog.Calls.DATE);
        int duration = managedCursor.getColumnIndex(CallLog.Calls.DURATION);
        sb.append("Call Details:\n\n");
        while(managedCursor.moveToNext()){
            String phnumber = managedCursor.getString(number);
            String cname = managedCursor.getString(name);
            String callType = managedCursor.getString(type);
            String callDate = managedCursor.getString(date);
            Date callDayTime = new Date(Long.valueOf(callDate));
            SimpleDateFormat newformatter = new SimpleDateFormat("dd-MM-yy || HH:mm:ss:SSS");
            String dateString = newformatter.format(callDayTime);
            String callDuration = managedCursor.getString(duration);
            String dir = null;
            int dircode = Integer.parseInt(callType);
            switch (dircode){
                case CallLog.Calls.OUTGOING_TYPE:
                    dir = "OUTGOING";
                    break;
                case CallLog.Calls.INCOMING_TYPE:
                    dir = "INCOMING";
                    break;
                case CallLog.Calls.MISSED_TYPE:
                    dir = "MISSED";
                    break;
            }
            sb.append("\nName: "+ cname +"\nPhone Number: "+ phnumber + "\nCall Type: "+ dir + "\nCall Date: "+ dateString + "\nCall Duration: "+ callDuration);
            sb.append("\n--------------------------------------");
        }
        managedCursor.close();
        return sb.toString();
    }
}

我想在我的应用程序中包含最近的通话，并表明它们来自我的应用程序。

我感谢您对此的任何指导。

Answer 1

不可以，因为除非您在已取得 root 权限的设备上运行或者是 OEM 或 TelephonyService，否则您的应用程序不会发出任何呼叫。 相反，您启动拨号器应用程序，它实际上会拨打电话。 因此，所有呼叫均来自拨号器应用程序。 您的应用程序请求拨号器应用程序的事实不会在呼叫日志中捕获。 即使日志中有一个位置（没有），也不能保证任何特定的拨号器应用程序实际上会填充该字段。