Defaults to the older, deprecated config_windowIsRound already used in
some existing device-specific resource overlays. -->
<bool name="config_mainBuiltInDisplayIsRound">@bool/config_windowIsRound</bool>
+
+ <!-- Ultrasound support for Mic/speaker path -->
+ <!-- Whether the default microphone audio source supports near-ultrasound frequencies
+ (range of 18 - 21 kHz). -->
+ <bool name="config_supportMicNearUltrasound">true</bool>
+ <!-- Whether the default speaker audio output path supports near-ultrasound frequencies
+ (range of 18 - 21 kHz). -->
+ <bool name="config_supportSpeakerNearUltrasound">true</bool>
+
</resources>
<java-symbol type="bool" name="config_wifi_only_link_same_credential_configurations" />
<java-symbol type="bool" name="config_wifi_enable_disconnection_debounce" />
<java-symbol type="bool" name="config_wifi_enable_5GHz_preference" />
+ <java-symbol type="bool" name="config_supportMicNearUltrasound" />
+ <java-symbol type="bool" name="config_supportSpeakerNearUltrasound" />
<java-symbol type="integer" name="config_wifi_framework_5GHz_preference_boost_threshold" />
<java-symbol type="integer" name="config_wifi_framework_5GHz_preference_boost_factor" />
<java-symbol type="integer" name="config_wifi_framework_5GHz_preference_penalty_threshold" />
import android.os.Message;
import android.os.Process;
import android.os.RemoteException;
-import android.os.SystemProperties;
import android.os.SystemClock;
import android.os.ServiceManager;
import android.provider.Settings;
private static final AudioPortEventHandler sAudioPortEventHandler = new AudioPortEventHandler();
/**
- * System properties for whether the default microphone and speaker paths support
- * near-ultrasound frequencies (range of 18 - 21 kHz).
- */
- private static final String SYSTEM_PROPERTY_MIC_NEAR_ULTRASOUND =
- "persist.audio.mic.ultrasound";
- private static final String SYSTEM_PROPERTY_SPEAKER_NEAR_ULTRASOUND =
- "persist.audio.spkr.ultrasound";
- private static final String DEFAULT_RESULT_FALSE_STRING = "false";
-
- /**
* Broadcast intent, a hint for applications that audio is about to become
* 'noisy' due to a change in audio outputs. For example, this intent may
* be sent when a wired headset is unplugged, or when an A2DP audio
int outputFramesPerBuffer = AudioSystem.getPrimaryOutputFrameCount();
return outputFramesPerBuffer > 0 ? Integer.toString(outputFramesPerBuffer) : null;
} else if (PROPERTY_SUPPORT_MIC_NEAR_ULTRASOUND.equals(key)) {
- return SystemProperties.get(SYSTEM_PROPERTY_MIC_NEAR_ULTRASOUND,
- DEFAULT_RESULT_FALSE_STRING);
+ // Will throw a RuntimeException Resources.NotFoundException if this config value is
+ // not found.
+ return String.valueOf(getContext().getResources().getBoolean(
+ com.android.internal.R.bool.config_supportMicNearUltrasound));
} else if (PROPERTY_SUPPORT_SPEAKER_NEAR_ULTRASOUND.equals(key)) {
- return SystemProperties.get(SYSTEM_PROPERTY_SPEAKER_NEAR_ULTRASOUND,
- DEFAULT_RESULT_FALSE_STRING);
+ return String.valueOf(getContext().getResources().getBoolean(
+ com.android.internal.R.bool.config_supportSpeakerNearUltrasound));
} else {
// null or unknown key
return null;