diff options
Diffstat (limited to 'wifi')
| -rw-r--r-- | wifi/java/android/net/wifi/WifiManager.java | 40 |
1 files changed, 25 insertions, 15 deletions
diff --git a/wifi/java/android/net/wifi/WifiManager.java b/wifi/java/android/net/wifi/WifiManager.java index d05918f..4ac03a8 100644 --- a/wifi/java/android/net/wifi/WifiManager.java +++ b/wifi/java/android/net/wifi/WifiManager.java @@ -356,16 +356,6 @@ public class WifiManager { public static final String ACTION_PICK_WIFI_NETWORK = "android.net.wifi.PICK_WIFI_NETWORK"; /** - * In this Wi-Fi lock mode, Wi-Fi will behave as in the mode - * {@link #WIFI_MODE_FULL} but it operates at high performance - * at the expense of power. This mode should be used - * only when the wifi connection needs to have minimum loss and low - * latency as it can impact the battery life. - * @hide - */ - public static final int WIFI_MODE_FULL_HIGH_PERF = 3; - - /** * In this Wi-Fi lock mode, Wi-Fi will be kept active, * and will behave normally, i.e., it will attempt to automatically * establish a connection to a remembered access point that is @@ -383,10 +373,29 @@ public class WifiManager { * an application in this mode. */ public static final int WIFI_MODE_SCAN_ONLY = 2; + /** + * In this Wi-Fi lock mode, Wi-Fi will be kept active as in mode + * {@link #WIFI_MODE_FULL} but it operates at high performance + * with minimum packet loss and low packet latency even when + * the device screen is off. This mode will consume more power + * and hence should be used only when there is a need for such + * an active connection. + * <p> + * An example use case is when a voice connection needs to be + * kept active even after the device screen goes off. Holding the + * regular {@link #WIFI_MODE_FULL} lock will keep the wifi + * connection active, but the connection can be lossy. + * Holding a {@link #WIFI_MODE_FULL_HIGH_PERF} lock for the + * duration of the voice call will improve the call quality. + * <p> + * When there is no support from the hardware, this lock mode + * will have the same behavior as {@link #WIFI_MODE_FULL} + */ + public static final int WIFI_MODE_FULL_HIGH_PERF = 3; /** Anything worse than or equal to this will show 0 bars. */ private static final int MIN_RSSI = -100; - + /** Anything better than or equal to this will show the max bars. */ private static final int MAX_RSSI = -55; @@ -1288,9 +1297,10 @@ public class WifiManager { * Creates a new WifiLock. * * @param lockType the type of lock to create. See {@link #WIFI_MODE_FULL}, - * and {@link #WIFI_MODE_SCAN_ONLY} for descriptions of the types of Wi-Fi locks. - * @param tag a tag for the WifiLock to identify it in debugging messages. This string is - * never shown to the user under normal conditions, but should be descriptive + * {@link #WIFI_MODE_FULL_HIGH_PERF} and {@link #WIFI_MODE_SCAN_ONLY} for + * descriptions of the types of Wi-Fi locks. + * @param tag a tag for the WifiLock to identify it in debugging messages. This string is + * never shown to the user under normal conditions, but should be descriptive * enough to identify your application and the specific WifiLock within it, if it * holds multiple WifiLocks. * @@ -1301,7 +1311,7 @@ public class WifiManager { public WifiLock createWifiLock(int lockType, String tag) { return new WifiLock(lockType, tag); } - + /** * Creates a new WifiLock. * |