Avoid the crash if the preference value is invalid.

Camera driver may have bugs. Avoid the crash if the value
is invalid.

Change-Id: Iffb168bcdfab48f7b9a4257136f0adb46c4ed528

1 files changed, 9 insertions, 1 deletions

diff --git a/src/com/android/camera/ListPreference.java b/src/com/android/camera/ListPreference.java
index 6b1bffa8..288c875f 100644
--- a/src/com/android/camera/ListPreference.java
+++ b/src/com/android/camera/ListPreference.java
@@ -20,6 +20,7 @@ import android.content.Context;
 import android.content.SharedPreferences;
 import android.content.res.TypedArray;
 import android.util.AttributeSet;
+import android.util.Log;
 
 import com.android.camera.R;
 
@@ -31,7 +32,7 @@ import java.util.List;
  * is limited.
  */
 public class ListPreference extends CameraPreference {
-
+    private final String TAG = "ListPreference";
     private final String mKey;
     private String mValue;
     private final String mDefaultValue;
@@ -129,4 +130,11 @@ public class ListPreference extends CameraPreference {
         mEntries = entries.toArray(new CharSequence[size]);
         mEntryValues = entryValues.toArray(new CharSequence[size]);
     }
+
+    public void print() {
+        Log.v(TAG, "Preference key=" + getKey() + ". value=" + getValue());
+        for (int i = 0; i < mEntryValues.length; i++) {
+            Log.v(TAG, "entryValues[" + i + "]=" + mEntryValues[i]);
+        }
+    }
 }