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SimpleInflater.javaAPI DocAndroid 5.1 API5777Thu Mar 12 22:22:42 GMT 2015com.android.frameworkperf

SimpleInflater

public class SimpleInflater extends Object

Fields Summary
private static final String
XML_MENU
Menu tag name in XML.
private static final String
XML_GROUP
Group tag name in XML.
private static final String
XML_ITEM
Item tag name in XML.
private android.content.Context
mContext
Constructors Summary
public SimpleInflater(android.content.Context context)


       
        mContext = context;
Methods Summary
public voidinflate(int menuRes)

        XmlResourceParser parser = null;
        try {
            parser = mContext.getResources().getLayout(menuRes);
            AttributeSet attrs = Xml.asAttributeSet(parser);
            
            parseMenu(parser, attrs);
        } catch (XmlPullParserException e) {
            throw new InflateException("Error inflating menu XML", e);
        } catch (IOException e) {
            throw new InflateException("Error inflating menu XML", e);
        } finally {
            if (parser != null) parser.close();
        }
private voidparseMenu(org.xmlpull.v1.XmlPullParser parser, android.util.AttributeSet attrs)

        int eventType = parser.getEventType();
        String tagName;
        boolean lookingForEndOfUnknownTag = false;
        String unknownTagName = null;

        // This loop will skip to the menu start tag
        do {
            if (eventType == XmlPullParser.START_TAG) {
                tagName = parser.getName();
                if (tagName.equals(XML_MENU)) {
                    // Go to next tag
                    eventType = parser.next();
                    break;
                }
                
                throw new RuntimeException("Expecting menu, got " + tagName);
            }
            eventType = parser.next();
        } while (eventType != XmlPullParser.END_DOCUMENT);
        
        boolean reachedEndOfMenu = false;
        while (!reachedEndOfMenu) {
            switch (eventType) {
                case XmlPullParser.START_TAG:
                    if (lookingForEndOfUnknownTag) {
                        break;
                    }
                    
                    tagName = parser.getName();
                    if (tagName.equals(XML_ITEM)) {
                        readItem(attrs);
                    } else if (tagName.equals(XML_MENU)) {
                        parseMenu(parser, attrs);
                    } else {
                        lookingForEndOfUnknownTag = true;
                        unknownTagName = tagName;
                    }
                    break;
                    
                case XmlPullParser.END_TAG:
                    tagName = parser.getName();
                    if (lookingForEndOfUnknownTag && tagName.equals(unknownTagName)) {
                        lookingForEndOfUnknownTag = false;
                        unknownTagName = null;
                    } else if (tagName.equals(XML_ITEM)) {
                    } else if (tagName.equals(XML_MENU)) {
                        reachedEndOfMenu = true;
                    }
                    break;
                    
                case XmlPullParser.END_DOCUMENT:
                    throw new RuntimeException("Unexpected end of document");
            }
            
            eventType = parser.next();
        }
public voidreadItem(android.util.AttributeSet attrs)

        TypedArray a = mContext.obtainStyledAttributes(attrs,
                com.android.internal.R.styleable.MenuItem);

        // Inherit attributes from the group as default value
        int itemId = a.getResourceId(R.styleable.MenuItem_android_id, 0);
        final int category = a.getInt(R.styleable.MenuItem_android_menuCategory, 0);
        final int order = a.getInt(R.styleable.MenuItem_android_orderInCategory, 0);
        CharSequence itemTitle = a.getText(R.styleable.MenuItem_android_title);
        CharSequence itemTitleCondensed = a.getText(R.styleable.MenuItem_android_titleCondensed);
        int itemIconResId = a.getResourceId(R.styleable.MenuItem_android_icon, 0);
        String itemAlphabeticShortcut = a.getString(R.styleable.MenuItem_android_alphabeticShortcut);
        String itemNumericShortcut = a.getString(R.styleable.MenuItem_android_numericShortcut);
        int itemCheckable = 0;
        if (a.hasValue(R.styleable.MenuItem_android_checkable)) {
            // Item has attribute checkable, use it
            itemCheckable = a.getBoolean(R.styleable.MenuItem_android_checkable, false) ? 1 : 0;
        }
        boolean itemChecked = a.getBoolean(R.styleable.MenuItem_android_checked, false);
        boolean itemVisible = a.getBoolean(R.styleable.MenuItem_android_visible, false);
        boolean itemEnabled = a.getBoolean(R.styleable.MenuItem_android_enabled, false);

        a.recycle();