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/*
* Copyright (C) 2014 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.i18n.addressinput;
import android.app.ProgressDialog;
import android.content.Context;
import android.view.LayoutInflater;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.TextView;
import com.android.i18n.addressinput.AddressField.WidthType;
/**
* Base class for customizing widgets for address input.
*
* <p>
* Clients can optionally override this class and use
* {@link AddressWidget#setUiComponentProvider(AddressWidgetUiComponentProvider)} to set the the
* componentProvider field of the address widget, which will be invoked by the widget to create UI
* components that provide consistent look-and-feel with other UI components clients might use
* alongside the address widget.
*/
public class AddressWidgetUiComponentProvider {
protected Context context;
protected LayoutInflater inflater;
public AddressWidgetUiComponentProvider(Context context) {
this.context = context;
this.inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
/**
* Creates a label, e.g. "State", for an address input field.
*
* @param label the label of the address input field
* @param widthType {@link WidthType} of the field
* @return a custom {@link TextView} created for the field
*/
protected TextView createUiLabel(CharSequence label, WidthType widthType) {
TextView textView = (TextView) inflater.inflate(R.layout.address_textview, null, false);
textView.setText(label);
return textView;
}
/**
* Creates a text input view for an address input field.
*
* @param widthType {@link WidthType} of the field
* @return a custom {@link EditText} created for the field
*/
protected EditText createUiTextField(WidthType widthType) {
return (EditText) inflater.inflate(R.layout.address_edittext, null, false);
}
/**
* Creates a {@link Spinner} for a input field that uses UI picker.
*
* @param widthType {@link WidthType} of the field
* @return a custom {@link Spinner} created for the field
*/
protected Spinner createUiPickerSpinner(WidthType widthType) {
return (Spinner) inflater.inflate(R.layout.address_spinner, null, false);
}
/**
* Creates an {@link ArrayAdapter} to work with the custom {@link Spinner} of a input field that
* uses UI picker.
*
* @param widthType {@link WidthType} of the field
* @return a custom {@link ArrayAdapter} for the field
*/
protected ArrayAdapter<String> createUiPickerAdapter(WidthType widthType) {
ArrayAdapter<String> adapter =
new ArrayAdapter<String>(context, android.R.layout.simple_spinner_item);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
return adapter;
}
/** Gets an activity indicator to show that a task is in progress. */
protected ProgressDialog getUiActivityIndicatorView() {
return new ProgressDialog(context);
}
}
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