Android蓝牙耳机接听挂断电话流程

一、alps/packages/apps/Bluetooth/src/com/android/bluetooth/hfp/HeadsetStateMachine.java

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processAnswerCall

这个方法就是接听电话 我们来往上走 还是
alps/packages/apps/Bluetooth/src/com/android/bluetooth/hfp/HeadsetStateMachine.java

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原来是jni回调java。

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alps/packages/apps/Bluetooth/jni/com_android_bluetooth_hfp.cpp

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alps/packages/apps/Bluetooth/jni/com_android_bluetooth_hfp.cpp

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alps/packages/apps/Bluetooth/jni/com_android_bluetooth_hfp.cpp

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alps/packages/apps/Bluetooth/jni/com_android_bluetooth_hfp.cpp

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alps/packages/apps/Bluetooth/jni/com_android_bluetooth_hfp.cpp

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alps/system/bt/btif/src/btif_hf.c

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alps/system/bt/btif/src/btif_hf.c

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alps/system/bt/btif/src/btif_hf.c

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alps/hardware/libhardware/include/hardware/bt_hf.h

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好了 跟踪完了

        HAL_CBACK(bt_hf_callbacks, answer_call_cmd_cb,
                          &btif_hf_cb[idx].connected_bda);

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logcat | grep "AT cmd"

第一个是接听 第二个是挂断

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再往下跟

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p_cmd_cback

alps/system/bt/bta/ag/bta_ag_at.c

bta_ag_process_at

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alps/system/bt/bta/ag/bta_ag_at.c

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system/bt/bta/ag/bta_ag_act.c

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