diff options
Diffstat (limited to 'core/java/android/widget/Spinner.java')
| -rw-r--r-- | core/java/android/widget/Spinner.java | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/core/java/android/widget/Spinner.java b/core/java/android/widget/Spinner.java index 9601d4a..9914800 100644 --- a/core/java/android/widget/Spinner.java +++ b/core/java/android/widget/Spinner.java @@ -25,6 +25,7 @@ import android.content.res.TypedArray; import android.database.DataSetObserver; import android.graphics.Rect; import android.graphics.drawable.Drawable; +import android.os.Build; import android.os.Parcel; import android.os.Parcelable; import android.util.AttributeSet; @@ -427,9 +428,15 @@ public class Spinner extends AbsSpinner implements OnClickListener { * {@link Adapter#getItemViewType(int) getItemViewType(int)} on the object * returned from {@link #getAdapter()} will always return 0. Calling * {@link Adapter#getViewTypeCount() getViewTypeCount()} will always return - * 1. + * 1. On API {@link Build.VERSION_CODES#L} and above, attempting to set an + * adapter with more than one view type will throw an + * {@link IllegalArgumentException}. + * + * @param adapter the adapter to set * * @see AbsSpinner#setAdapter(SpinnerAdapter) + * @throws IllegalArgumentException if the adapter has more than one view + * type */ @Override public void setAdapter(SpinnerAdapter adapter) { @@ -437,6 +444,12 @@ public class Spinner extends AbsSpinner implements OnClickListener { mRecycler.clear(); + final int targetSdkVersion = mContext.getApplicationInfo().targetSdkVersion; + if (targetSdkVersion >= Build.VERSION_CODES.L + && adapter != null && adapter.getViewTypeCount() != 1) { + throw new IllegalArgumentException("Spinner adapter view type count must be 1"); + } + if (mPopup != null) { mPopup.setAdapter(new DropDownAdapter(adapter)); } else { |