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author | Keith Packard <keithp@keithp.com> | 2019-06-18 14:50:18 -0700 |
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committer | Keith Packard <keithp@keithp.com> | 2019-06-18 14:50:18 -0700 |
commit | 6529fd623f0e4b921aea1110c723d7dc03954def (patch) | |
tree | f7aa046f87f45c1feecfc37f2390dfb9fcc2ff84 /altoslib/AltosRecordSet.java | |
parent | bd351b9e3b1ba21851b2c87f5202ac3bf5c479c0 (diff) |
altosui/telegps: Display error message when attempting to graph unknown files
Instead of presenting an empty graph window.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'altoslib/AltosRecordSet.java')
-rw-r--r-- | altoslib/AltosRecordSet.java | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/altoslib/AltosRecordSet.java b/altoslib/AltosRecordSet.java index a84cc3f9..4c459cba 100644 --- a/altoslib/AltosRecordSet.java +++ b/altoslib/AltosRecordSet.java @@ -19,4 +19,5 @@ import java.util.*; public interface AltosRecordSet { public AltosCalData cal_data(); public void capture_series(AltosDataListener listener); + public boolean valid(); } |