Merge "Wifi: Add constant and utility method for bands" into rvc-dev am: 2a56a97972 am: 8ab8381d39 (544cd30b) · Commits · e / os / android_frameworks_base

wifi/java/android/net/wifi/WifiScanner.java

+18 −2

Original line number	Diff line number	Diff line
		@@ -131,10 +131,10 @@ public class WifiScanner {
		public @interface WifiBand {}

		/**
		* Max band value
		* All bands
		* @hide
		*/
		public static final int WIFI_BAND_MAX = 0x10;
		public static final int WIFI_BAND_ALL = (1 << WIFI_BAND_COUNT) - 1;

		/** Minimum supported scanning period */
		public static final int MIN_SCAN_PERIOD_MS = 1000;
		@@ -167,6 +167,22 @@ public class WifiScanner {
		public void onFailure(int reason, String description);
		}

		/**
		* Test if scan is a full scan. i.e. scanning all available bands.
		* For backward compatibility, since some apps don't include 6GHz in their requests yet,
		* lacking 6GHz band does not cause the result to be false.
		*
		* @param bandScanned bands that are fully scanned
		* @param excludeDfs when true, DFS band is excluded from the check
		* @return true if all bands are scanned, false otherwise
		*
		* @hide
		*/
		public static boolean isFullBandScan(@WifiBand int bandScanned, boolean excludeDfs) {
		return (bandScanned \| WIFI_BAND_6_GHZ \| (excludeDfs ? WIFI_BAND_5_GHZ_DFS_ONLY : 0))
		== WIFI_BAND_ALL;
		}

		/**
		* Returns a list of all the possible channels for the given band(s).
		*

+18 −0

Original line number	Diff line number	Diff line
		@@ -613,4 +613,22 @@ public class WifiScannerTest {
		verify(mExecutor, never()).execute(any());
		verify(mScanListener, never()).onResults(mScanData);
		}

		/**
		* Tests isFullBandScan() method with and without DFS check
		*/
		@Test
		public void testIsFullBandScan() throws Exception {
		assertFalse(WifiScanner.isFullBandScan(WifiScanner.WIFI_BAND_24_GHZ, true));
		assertFalse(WifiScanner.isFullBandScan(WifiScanner.WIFI_BAND_5_GHZ, true));
		assertFalse(WifiScanner.isFullBandScan(WifiScanner.WIFI_BAND_6_GHZ, true));
		assertFalse(WifiScanner.isFullBandScan(
		WifiScanner.WIFI_BAND_6_GHZ \| WifiScanner.WIFI_BAND_5_GHZ, true));
		assertTrue(WifiScanner.isFullBandScan(
		WifiScanner.WIFI_BAND_24_GHZ \| WifiScanner.WIFI_BAND_5_GHZ, true));
		assertFalse(WifiScanner.isFullBandScan(
		WifiScanner.WIFI_BAND_24_GHZ \| WifiScanner.WIFI_BAND_5_GHZ, false));
		assertTrue(WifiScanner.isFullBandScan(WifiScanner.WIFI_BAND_BOTH_WITH_DFS, true));
		assertTrue(WifiScanner.isFullBandScan(WifiScanner.WIFI_BAND_BOTH_WITH_DFS, false));
		}
		}