mtk android 11接打电话默认免提功能

修改功能的方案为MTK的源码，其他方案源码仅供参考。

1.在mtk源码当中有专门的宏控进行开关一些功能，就像这次的打电话面提功能。在device.mk文件当中可以搜到这个MTK_TB_APP_CALL_FORCE_SPEAKER_ON，当它为yes的时候通话免提只是拨打的时候免提，接听的时候并不是免提状态。

--- a/alps/device/mediateksample/xx/ProjectConfig.mk
+++ b/alps/device/mediateksample/xx/ProjectConfig.mk
@@ -539,6 +539,7 @@ MTK_SMART_CHARGING = noMTK_ADSP_VA_SUPPORT = noMTK_CAM_BSS_SUPPORT = 0MTK_LK_VERSION = lk
+MTK_TB_APP_CALL_FORCE_SPEAKER_ON=yes

2.因接听的时候并不是免提状态，所以有以下修改。

第一种方法：

--- a/alps/frameworks/base/telecomm/java/android/telecom/InCallService.java
+++ b/alps/frameworks/base/telecomm/java/android/telecom/InCallService.java
@@ -40,6 +40,10 @@ import com.android.internal.telecom.IInCallService;import java.util.Collections;import java.util.List;+import android.telecom.CallAudioState;
+import android.telephony.PhoneStateListener;
+import android.telephony.TelephonyManager;
+import android.content.Context;/*** This service is implemented by an app that wishes to provide functionality for managing* phone calls.
@@ -230,6 +234,40 @@ public abstract class InCallService extends Service {private static final int MSG_ON_HANDOVER_FAILED = 12;private static final int MSG_ON_HANDOVER_COMPLETE = 13;+       //Added by lwz start
+       @Override
+         public void onCreate() {
+                super.onCreate();
+               MyPhoneStateListener phonehoneStateListener=new MyPhoneStateListener();
+               TelephonyManager mTelephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
+               mTelephonyManager.listen(phonehoneStateListener,PhoneStateListener.LISTEN_CALL_STATE);
+         }
+
+               @Override
+         public void onDestroy() {
+               super.onDestroy();
+         }
+
+          private class MyPhoneStateListener extends PhoneStateListener{
+               @Override
+               public void onCallStateChanged(int state, String incomingNumber) {
+                 switch (state) {
+                 case TelephonyManager.CALL_STATE_IDLE:
+                   setAudioRoute(CallAudioState.ROUTE_EARPIECE);
+                   break;
+                 case TelephonyManager.CALL_STATE_RINGING:
+                   setAudioRoute(CallAudioState.ROUTE_SPEAKER);
+                   break;
+                 case TelephonyManager.CALL_STATE_OFFHOOK:
+                 setAudioRoute(CallAudioState.ROUTE_SPEAKER);
+                 default:
+                   break;
+                 }
+                 super.onCallStateChanged(state, incomingNumber);
+               }
+         }
+       //Added by lwz end
+       /** Default Handler used to consolidate binder method calls onto a single thread. */private final Handler mHandler = new Handler(Looper.getMainLooper()) {@Override

第二种方法：

index fe2a32b..101b15c 100644
--- a/alps/frameworks/av/services/audiopolicy/enginedefault/src/Engine.cpp
+++ b/alps/frameworks/av/services/audiopolicy/enginedefault/src/Engine.cpp
@@ -295,7 +295,8 @@ DeviceVector Engine::getDevicesForStrategyInt(legacy_strategy strategy,AUDIO_DEVICE_OUT_AUX_DIGITAL, AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET});if (!devices.isEmpty()) break;}
-            devices = availableOutputDevices.getDevicesFromType(AUDIO_DEVICE_OUT_EARPIECE);
+            //devices = availableOutputDevices.getDevicesFromType(AUDIO_DEVICE_OUT_EARPIECE);
+            devices = availableOutputDevices.getDevicesFromType(AUDIO_DEVICE_OUT_SPEAKER);break;case AUDIO_POLICY_FORCE_SPEAKER:

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mtk android 11接打电话默认免提功能

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