package com.mm.android.deviceaddmodule.mobilecommon.widget.antistatic.spinnerwheel.adapters;
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import android.content.Context;
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import android.graphics.Typeface;
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import android.view.Gravity;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.TextView;
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import com.mm.android.deviceaddmodule.mobilecommon.utils.LogUtil;
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/**
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* Abstract spinnerwheel adapter provides common functionality for adapters.
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*/
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public abstract class AbstractWheelTextAdapter extends AbstractWheelAdapter {
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/** Text view resource. Used as a default view for adapter. */
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public static final int TEXT_VIEW_ITEM_RESOURCE = -1;
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/** No resource constant. */
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protected static final int NO_RESOURCE = 0;
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/** Default text color */
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public static final int DEFAULT_TEXT_COLOR = 0xFF000000;
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/** Default text color */
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public static final int LABEL_COLOR = 0xFF700070;
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/** Default text size */
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public static final int DEFAULT_TEXT_SIZE = 18;
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/// Custom text typeface
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private Typeface textTypeface;
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// Text settings
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private int textColor = DEFAULT_TEXT_COLOR;
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private int textSize = DEFAULT_TEXT_SIZE;
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// Current context
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protected Context context;
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// Layout inflater
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protected LayoutInflater inflater;
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// Items resources
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protected int itemResourceId;
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protected int itemTextResourceId;
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// Empty items resources
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protected int emptyItemResourceId;
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/**
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* Constructor
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* @param context the current context
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*/
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protected AbstractWheelTextAdapter(Context context) {
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this(context, TEXT_VIEW_ITEM_RESOURCE);
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}
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/**
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* Constructor
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* @param context the current context
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* @param itemResource the resource ID for a layout file containing a TextView to use when instantiating items views
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*/
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protected AbstractWheelTextAdapter(Context context, int itemResource) {
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this(context, itemResource, NO_RESOURCE);
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}
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/**
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* Constructor
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* @param context the current context
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* @param itemResource the resource ID for a layout file containing a TextView to use when instantiating items views
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* @param itemTextResource the resource ID for a text view in the item layout
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*/
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protected AbstractWheelTextAdapter(Context context, int itemResource, int itemTextResource) {
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this.context = context;
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itemResourceId = itemResource;
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itemTextResourceId = itemTextResource;
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inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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}
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/**
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* Gets text color
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* @return the text color
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*/
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public int getTextColor() {
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return textColor;
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}
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/**
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* Sets text color
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* @param textColor the text color to set
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*/
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public void setTextColor(int textColor) {
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this.textColor = textColor;
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}
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/**
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* Sets text typeface
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* @param typeface typeface to set
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*/
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public void setTextTypeface(Typeface typeface) {
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this.textTypeface = typeface;
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}
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/**
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* Gets text size
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* @return the text size
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*/
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public int getTextSize() {
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return textSize;
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}
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/**
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* Sets text size
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* @param textSize the text size to set
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*/
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public void setTextSize(int textSize) {
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this.textSize = textSize;
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}
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/**
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* Gets resource Id for items views
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* @return the item resource Id
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*/
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public int getItemResource() {
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return itemResourceId;
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}
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/**
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* Sets resource Id for items views
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* @param itemResourceId the resource Id to set
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*/
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public void setItemResource(int itemResourceId) {
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this.itemResourceId = itemResourceId;
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}
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/**
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* Gets resource Id for text view in item layout
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* @return the item text resource Id
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*/
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public int getItemTextResource() {
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return itemTextResourceId;
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}
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/**
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* Sets resource Id for text view in item layout
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* @param itemTextResourceId the item text resource Id to set
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*/
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public void setItemTextResource(int itemTextResourceId) {
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this.itemTextResourceId = itemTextResourceId;
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}
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/**
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* Gets resource Id for empty items views
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* @return the empty item resource Id
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*/
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public int getEmptyItemResource() {
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return emptyItemResourceId;
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}
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/**
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* Sets resource Id for empty items views
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* @param emptyItemResourceId the empty item resource Id to set
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*/
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public void setEmptyItemResource(int emptyItemResourceId) {
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this.emptyItemResourceId = emptyItemResourceId;
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}
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/**
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* Returns text for specified item
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* @param index the item index
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* @return the text of specified items
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*/
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protected abstract CharSequence getItemText(int index);
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@Override
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public View getItem(int index, View convertView, ViewGroup parent) {
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if (index >= 0 && index < getItemsCount()) {
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if (convertView == null) {
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convertView = getView(itemResourceId, parent);
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}
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if (convertView == null) {
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convertView = new View(context);
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}
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TextView textView = getTextView(convertView, itemTextResourceId);
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if (textView != null) {
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CharSequence text = getItemText(index);
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if (text == null) {
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text = "";
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}
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textView.setText(text);
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configureTextView(textView);
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}
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return convertView;
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}
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return null;
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}
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@Override
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public View getEmptyItem(View convertView, ViewGroup parent) {
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if (convertView == null) {
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convertView = getView(emptyItemResourceId, parent);
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}
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if (convertView instanceof TextView) {
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configureTextView((TextView)convertView);
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}
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return convertView;
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}
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/**
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* Configures text view. Is called for the TEXT_VIEW_ITEM_RESOURCE views.
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* @param view the text view to be configured
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*/
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protected void configureTextView(TextView view) {
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if (itemResourceId == TEXT_VIEW_ITEM_RESOURCE) {
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view.setTextColor(textColor);
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view.setGravity(Gravity.CENTER);
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view.setTextSize(textSize);
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view.setLines(1);
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}
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if (textTypeface != null) {
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view.setTypeface(textTypeface);
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} else {
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view.setTypeface(Typeface.DEFAULT, Typeface.NORMAL);
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}
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}
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/**
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* Loads a text view from view
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* @param view the text view or layout containing it
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* @param textResource the text resource Id in layout
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* @return the loaded text view
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*/
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private TextView getTextView(View view, int textResource) {
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TextView text = null;
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try {
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if (textResource == NO_RESOURCE && view instanceof TextView) {
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text = (TextView) view;
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} else if (textResource != NO_RESOURCE) {
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text = view.findViewById(textResource);
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}
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} catch (ClassCastException e) {
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LogUtil.errorLog("AbstractWheelAdapter", "You must supply a resource ID for a TextView");
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throw new IllegalStateException(
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"AbstractWheelAdapter requires the resource ID to be a TextView", e);
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}
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return text;
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}
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/**
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* Loads view from resources
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* @param resource the resource Id
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* @return the loaded view or null if resource is not set
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*/
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private View getView(int resource, ViewGroup parent) {
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switch (resource) {
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case NO_RESOURCE:
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return null;
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case TEXT_VIEW_ITEM_RESOURCE:
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return new TextView(context);
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default:
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return inflater.inflate(resource, parent, false);
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}
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}
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}
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