连心的电话代码路劲
vendor/commons/carriers/Extension/apps/Dialer/

主界面：dialtacts_activity.xml
DialtactsActivity.java
ListsFragment.java 这个是通讯记录的界面 fragment
CallLogQueryHandler 这个是查询通讯记录的
DialtactsActivity的actionbar的样式： DialtactsThemeHiddenActionBar
phone_favorites_fragment.xml
phone_no_favorites.xml
showDialpadFragment 方法 显示menu

CallDetailActivity 通话记录详情

通讯记录list Item 界面
res/layout-notouch/call_log_list_item.xml
src/com/android/dialer/calllog/MSimCallLogFragment.java

private void updateVoicemailStatus(Cursor statusCursor) {
    final Listener listener = mListener.get();
    if (listener != null) {
      listener.onVoicemailStatusFetched(statusCursor);
    }
  }

  private void updateVoicemailUnreadCount(Cursor statusCursor) {
    final Listener listener = mListener.get();
    if (listener != null) {
      listener.onVoicemailUnreadCountFetched(statusCursor);
    }
  }

  private void updateMissedCallsUnreadCount(Cursor statusCursor) {
    final Listener listener = mListener.get();
    if (listener != null) {
      listener.onMissedCallsUnreadCountFetched(statusCursor);
    }
  }

通话界面IncallUI

通话界面： src/com/android/incallui/MSimInCallActivity.java   
incalluiRes/layout/incall_screen_msim.xml
通话界面fragment    src/com/android/incallui/CallButtonFragment.java

修改声音大小的事件：

/**
     * Checks for supporting modes.  If bluetooth is supported, it uses the audio
     * pop up menu.  Otherwise, it toggles the speakerphone.
     */
    protected void onAudioButtonClicked() {
        Log.d(this, "onAudioButtonClicked: " +
                CallAudioState.audioRouteToString(getPresenter().getSupportedAudio()));

        if (isSupported(CallAudioState.ROUTE_BLUETOOTH)) {
            showAudioModePopup();
        } else {
            getPresenter().toggleSpeakerphone();
        }
    }