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Support blink scan

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Allow scan again if callback and executor are same as before.

bug: 173239634
Test: atest -c TunerTest
Change-Id: Iec5ba453b3d3d40c0d96fda5c7288b79898d9aea
This commit is contained in:
Henry Fang
2020-11-13 13:57:42 -08:00
parent 976002b688
commit e18379f5d1
1 changed files with 7 additions and 3 deletions
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10
media/java/android/media/tv/tuner/Tuner.java
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@@ -740,10 +740,14 @@ public class Tuner implements AutoCloseable {
@Result @Result
public int scan(@NonNull FrontendSettings settings, @ScanType int scanType, public int scan(@NonNull FrontendSettings settings, @ScanType int scanType,
@NonNull @CallbackExecutor Executor executor, @NonNull ScanCallback scanCallback) { @NonNull @CallbackExecutor Executor executor, @NonNull ScanCallback scanCallback) {
if (mScanCallback != null || mScanCallbackExecutor != null) { /**
* Scan can be called again for blink scan if scanCallback and executor are same as before.
*/
if (((mScanCallback != null) && (mScanCallback != scanCallback))
|| ((mScanCallbackExecutor != null) && (mScanCallbackExecutor != executor))) {
throw new IllegalStateException( throw new IllegalStateException(
"Scan already in progress. stopScan must be called before a new scan can be " "Different Scan session already in progress. stopScan must be called "
+ "started."); + "before a new scan session can be " + "started.");
} }
mFrontendType = settings.getType(); mFrontendType = settings.getType();
if (mFrontendType == FrontendSettings.TYPE_DTMB) { if (mFrontendType == FrontendSettings.TYPE_DTMB) {