53 lines
1.7 KiB
Java
53 lines
1.7 KiB
Java
package androidx.appcompat.widget;
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import android.content.Context;
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import android.content.res.Resources;
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import android.view.LayoutInflater;
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import android.widget.SpinnerAdapter;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.appcompat.view.ContextThemeWrapper;
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public interface ThemedSpinnerAdapter extends SpinnerAdapter {
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public static final class Helper {
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private final Context mContext;
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private LayoutInflater mDropDownInflater;
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private final LayoutInflater mInflater;
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public Helper(@NonNull Context context) {
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this.mContext = context;
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this.mInflater = LayoutInflater.from(context);
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}
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@NonNull
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public LayoutInflater getDropDownViewInflater() {
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LayoutInflater layoutInflater = this.mDropDownInflater;
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return layoutInflater != null ? layoutInflater : this.mInflater;
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}
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@Nullable
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public Resources.Theme getDropDownViewTheme() {
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LayoutInflater layoutInflater = this.mDropDownInflater;
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if (layoutInflater == null) {
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return null;
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}
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return layoutInflater.getContext().getTheme();
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}
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public void setDropDownViewTheme(@Nullable Resources.Theme theme) {
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if (theme == null) {
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this.mDropDownInflater = null;
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} else if (theme == this.mContext.getTheme()) {
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this.mDropDownInflater = this.mInflater;
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} else {
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this.mDropDownInflater = LayoutInflater.from(new ContextThemeWrapper(this.mContext, theme));
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}
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}
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}
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@Nullable
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Resources.Theme getDropDownViewTheme();
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void setDropDownViewTheme(@Nullable Resources.Theme theme);
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}
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