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Diffstat (limited to 'demokit/app/src/com/google/DemoKit/DemoKitActivity.java')
-rw-r--r--demokit/app/src/com/google/DemoKit/DemoKitActivity.java6
1 files changed, 6 insertions, 0 deletions
diff --git a/demokit/app/src/com/google/DemoKit/DemoKitActivity.java b/demokit/app/src/com/google/DemoKit/DemoKitActivity.java
index fb0473c..b9f3636 100644
--- a/demokit/app/src/com/google/DemoKit/DemoKitActivity.java
+++ b/demokit/app/src/com/google/DemoKit/DemoKitActivity.java
@@ -401,6 +401,9 @@ public class DemoKitActivity extends Activity implements Runnable, SeekBar.OnSee
};
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+ if (mOutputStream == null)
+ return;
+
byte[] buffer = new byte[3];
if (progress > 255)
progress = 255;
@@ -451,6 +454,9 @@ public class DemoKitActivity extends Activity implements Runnable, SeekBar.OnSee
}
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+ if (mOutputStream == null)
+ return;
+
byte[] buffer = new byte[3];
buffer[0] = 0x3;
buffer[1] = -1;