1.关闭(删除)FM Transmitter功能的方法   Set "ro.fm.transmitter" to false in system.prop.  该功能的代码位置： vendor/qcom/opensource/fm/
2.功能位置介绍 2.1.配置文件：  LINUX/android/device/qcom/ /system.prop 
#System property for FM transmitter   ro.fm.transmitter=false
此处设置为false表示未使能fm transmitter功能
2.2 代码中：  1.LINUX/android/vendor/qcom/opensource/fm/fmapp/src/com/codeaurora/fmradio/FMTransmitterConfigReceiver.java 
  public class FMTransmitterConfigReceiver extends BroadcastReceiver {    .......    boolean isFmTransmitterSupported = SystemProperties.getBoolean("ro.fm.transmitter",true);    .......    if ((!isFmTransmitterSupported) || (build_id.equals("0"))) {            PackageManager pManager = context.getPackageManager();               if (pManager != null) {                   Log.d(TAG, "disableing the FM Transmitter");                   ComponentName fmTransmitter = new ComponentName("com.codeaurora.fmradio", "com.codeaurora.fmradio.FMTransmitterActivity");                   pManager.setComponentEnabledSetting(fmTransmitter, PackageManager.COMPONENT_ENABLED_STATE_DISABLED,                                                    PackageManager.DONT_KILL_APP);               }     }    .......  }

  2.LINUX/android/vendor/qcom/opensource/fm/fmapp2/src/com/caf/fmradio/FMTransmitterConfigReceiver.java 
  public class FMTransmitterConfigReceiver extends BroadcastReceiver {    .......    boolean isFmTransmitterSupported = SystemProperties.getBoolean("ro.fm.transmitter",true);    .......    if ((!isFmTransmitterSupported) || (build_id.equals("0"))) {            PackageManager pManager = context.getPackageManager();               if (pManager != null) {                   Log.d(TAG, "disableing the FM Transmitter");                   ComponentName fmTransmitter = new ComponentName("com.codeaurora.fmradio", "com.codeaurora.fmradio.FMTransmitterActivity");                   pManager.setComponentEnabledSetting(fmTransmitter, PackageManager.COMPONENT_ENABLED_STATE_DISABLED,                                                    PackageManager.DONT_KILL_APP);               }     }    .......  }

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