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| 1 | +package com.sameerasw.airsync.service |
| 2 | + |
| 3 | +import android.content.BroadcastReceiver |
| 4 | +import android.content.Context |
| 5 | +import android.content.Intent |
| 6 | +import android.content.IntentFilter |
| 7 | +import android.os.Build |
| 8 | +import android.telephony.TelephonyManager |
| 9 | +import android.util.Log |
| 10 | +import com.sameerasw.airsync.utils.CallStateManager |
| 11 | + |
| 12 | +/** |
| 13 | + * Broadcast receiver to detect incoming calls and call state changes. |
| 14 | + * This catches both system calls and third-party calling app calls. |
| 15 | + */ |
| 16 | +class CallStateReceiver : BroadcastReceiver() { |
| 17 | + companion object { |
| 18 | + private const val TAG = "CallStateReceiver" |
| 19 | + |
| 20 | + // Deduplication: track last state changes to avoid duplicate processing |
| 21 | + private var lastProcessedState: String? = null |
| 22 | + private var lastProcessedTime: Long = 0L |
| 23 | + private const val DEDUP_WINDOW_MS = 300L // Ignore same state within 300ms |
| 24 | + |
| 25 | + fun registerReceiver(context: Context) { |
| 26 | + try { |
| 27 | + val receiver = CallStateReceiver() |
| 28 | + val intentFilter = IntentFilter().apply { |
| 29 | + addAction(TelephonyManager.ACTION_PHONE_STATE_CHANGED) |
| 30 | + addAction("com.android.internal.telephony.PHONE_STATE_CHANGED") |
| 31 | + addAction("android.intent.action.NEW_OUTGOING_CALL") |
| 32 | + } |
| 33 | + // Use RECEIVER_EXPORTED flag for Android 12+ (API 31+), with fallback for older versions |
| 34 | + @Suppress("RECEIVER_EXPORTED") |
| 35 | + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) { |
| 36 | + context.registerReceiver(receiver, intentFilter, Context.RECEIVER_EXPORTED) |
| 37 | + } else { |
| 38 | + @Suppress("DEPRECATION") |
| 39 | + context.registerReceiver(receiver, intentFilter) |
| 40 | + } |
| 41 | + Log.d(TAG, "CallStateReceiver registered") |
| 42 | + } catch (e: Exception) { |
| 43 | + Log.e(TAG, "Error registering CallStateReceiver: ${e.message}") |
| 44 | + } |
| 45 | + } |
| 46 | + } |
| 47 | + |
| 48 | + override fun onReceive(context: Context?, intent: Intent?) { |
| 49 | + if (context == null || intent == null) return |
| 50 | + |
| 51 | + try { |
| 52 | + when (intent.action) { |
| 53 | + TelephonyManager.ACTION_PHONE_STATE_CHANGED -> { |
| 54 | + handlePhoneStateChanged(intent) |
| 55 | + } |
| 56 | + "android.intent.action.NEW_OUTGOING_CALL" -> { |
| 57 | + handleOutgoingCall(intent) |
| 58 | + } |
| 59 | + "com.android.internal.telephony.PHONE_STATE_CHANGED" -> { |
| 60 | + handlePhoneStateChanged(intent) |
| 61 | + } |
| 62 | + } |
| 63 | + } catch (e: Exception) { |
| 64 | + Log.e(TAG, "Error handling broadcast: ${e.message}") |
| 65 | + } |
| 66 | + } |
| 67 | + |
| 68 | + private fun handlePhoneStateChanged(intent: Intent) { |
| 69 | + val state = intent.getStringExtra(TelephonyManager.EXTRA_STATE) ?: return |
| 70 | + @Suppress("DEPRECATION") |
| 71 | + val incomingNumber = intent.getStringExtra(TelephonyManager.EXTRA_INCOMING_NUMBER) |
| 72 | + |
| 73 | + // Deduplication: skip if we just processed this exact state |
| 74 | + val now = System.currentTimeMillis() |
| 75 | + val stateKey = "$state:$incomingNumber" |
| 76 | + if (lastProcessedState == stateKey && (now - lastProcessedTime) < DEDUP_WINDOW_MS) { |
| 77 | + Log.d(TAG, "Skipping duplicate phone state broadcast: $state") |
| 78 | + return |
| 79 | + } |
| 80 | + lastProcessedState = stateKey |
| 81 | + lastProcessedTime = now |
| 82 | + |
| 83 | + Log.d(TAG, "Phone state changed: $state, incoming number: $incomingNumber") |
| 84 | + |
| 85 | + when (state) { |
| 86 | + TelephonyManager.EXTRA_STATE_RINGING -> { |
| 87 | + // Incoming call ringing with phone number |
| 88 | + if (!incomingNumber.isNullOrEmpty()) { |
| 89 | + Log.d(TAG, "Incoming call from: $incomingNumber") |
| 90 | + CallStateManager.recordIncomingCall(incomingNumber) |
| 91 | + } else { |
| 92 | + Log.d(TAG, "Ringing but no incoming number available") |
| 93 | + } |
| 94 | + } |
| 95 | + TelephonyManager.EXTRA_STATE_OFFHOOK -> { |
| 96 | + // Call is active (could be incoming or outgoing) |
| 97 | + Log.d(TAG, "Call active (OFFHOOK)") |
| 98 | + if (!incomingNumber.isNullOrEmpty()) { |
| 99 | + // If we have a number, it might be outgoing - record it as outgoing |
| 100 | + Log.d(TAG, "OFFHOOK with number: $incomingNumber - updating call") |
| 101 | + CallStateManager.recordOutgoingCall(incomingNumber) |
| 102 | + } |
| 103 | + CallStateManager.markCallActive() |
| 104 | + } |
| 105 | + TelephonyManager.EXTRA_STATE_IDLE -> { |
| 106 | + // Call ended |
| 107 | + Log.d(TAG, "Call ended (IDLE)") |
| 108 | + CallStateManager.markCallEnded() |
| 109 | + } |
| 110 | + } |
| 111 | + } |
| 112 | + |
| 113 | + private fun handleOutgoingCall(intent: Intent) { |
| 114 | + val outgoingNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER) |
| 115 | + Log.d(TAG, "Outgoing call detected: $outgoingNumber") |
| 116 | + |
| 117 | + if (!outgoingNumber.isNullOrEmpty()) { |
| 118 | + CallStateManager.recordOutgoingCall(outgoingNumber) |
| 119 | + } |
| 120 | + } |
| 121 | +} |
| 122 | + |
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