44 lines
1.8 KiB
Java
44 lines
1.8 KiB
Java
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.widget;
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import android.view.View;
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import android.view.ViewGroup;
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/**
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* Extended {@link Adapter} that is the bridge between a
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* {@link android.widget.Spinner} and its data. A spinner adapter allows to
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* define two different views: one that shows the data in the spinner itself and
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* one that shows the data in the drop down list when the spinner is pressed.</p>
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*/
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public interface SpinnerAdapter extends Adapter {
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/**
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* <p>Get a {@link android.view.View} that displays in the drop down popup
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* the data at the specified position in the data set.</p>
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*
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* @param position index of the item whose view we want.
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* @param convertView the old view to reuse, if possible. Note: You should
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* check that this view is non-null and of an appropriate type before
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* using. If it is not possible to convert this view to display the
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* correct data, this method can create a new view.
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* @param parent the parent that this view will eventually be attached to
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* @return a {@link android.view.View} corresponding to the data at the
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* specified position.
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*/
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public View getDropDownView(int position, View convertView, ViewGroup parent);
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}
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