Examples with AttributeSet android.util.AttributeSet used on opensource projects

Example 91 with AttributeSet

use of android.util.AttributeSet in project android_frameworks_base by DirtyUnicorns.

the class LayoutInflater method parseInclude.

private void parseInclude(XmlPullParser parser, Context context, View parent, AttributeSet attrs) throws XmlPullParserException, IOException {
    int type;
    if (parent instanceof ViewGroup) {
        // Apply a theme wrapper, if requested. This is sort of a weird
        // edge case, since developers think the <include> overwrites
        // values in the AttributeSet of the included View. So, if the
        // included View has a theme attribute, we'll need to ignore it.
        final TypedArray ta = context.obtainStyledAttributes(attrs, ATTRS_THEME);
        final int themeResId = ta.getResourceId(0, 0);
        final boolean hasThemeOverride = themeResId != 0;
        if (hasThemeOverride) {
            context = new ContextThemeWrapper(context, themeResId);
        }
        ta.recycle();
        // If the layout is pointing to a theme attribute, we have to
        // massage the value to get a resource identifier out of it.
        int layout = attrs.getAttributeResourceValue(null, ATTR_LAYOUT, 0);
        if (layout == 0) {
            final String value = attrs.getAttributeValue(null, ATTR_LAYOUT);
            if (value == null || value.length() <= 0) {
                throw new InflateException("You must specify a layout in the" + " include tag: <include layout=\"@layout/layoutID\" />");
            }
            // Attempt to resolve the "?attr/name" string to an identifier.
            layout = context.getResources().getIdentifier(value.substring(1), null, null);
        }
        // The layout might be referencing a theme attribute.
        if (mTempValue == null) {
            mTempValue = new TypedValue();
        }
        if (layout != 0 && context.getTheme().resolveAttribute(layout, mTempValue, true)) {
            layout = mTempValue.resourceId;
        }
        if (layout == 0) {
            final String value = attrs.getAttributeValue(null, ATTR_LAYOUT);
            throw new InflateException("You must specify a valid layout " + "reference. The layout ID " + value + " is not valid.");
        } else {
            final XmlResourceParser childParser = context.getResources().getLayout(layout);
            try {
                final AttributeSet childAttrs = Xml.asAttributeSet(childParser);
                while ((type = childParser.next()) != XmlPullParser.START_TAG && type != XmlPullParser.END_DOCUMENT) {
                // Empty.
                }
                if (type != XmlPullParser.START_TAG) {
                    throw new InflateException(childParser.getPositionDescription() + ": No start tag found!");
                }
                final String childName = childParser.getName();
                if (TAG_MERGE.equals(childName)) {
                    // The <merge> tag doesn't support android:theme, so
                    // nothing special to do here.
                    rInflate(childParser, parent, context, childAttrs, false);
                } else {
                    final View view = createViewFromTag(parent, childName, context, childAttrs, hasThemeOverride);
                    final ViewGroup group = (ViewGroup) parent;
                    final TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.Include);
                    final int id = a.getResourceId(R.styleable.Include_id, View.NO_ID);
                    final int visibility = a.getInt(R.styleable.Include_visibility, -1);
                    a.recycle();
                    // We try to load the layout params set in the <include /> tag.
                    // If the parent can't generate layout params (ex. missing width
                    // or height for the framework ViewGroups, though this is not
                    // necessarily true of all ViewGroups) then we expect it to throw
                    // a runtime exception.
                    // We catch this exception and set localParams accordingly: true
                    // means we successfully loaded layout params from the <include>
                    // tag, false means we need to rely on the included layout params.
                    ViewGroup.LayoutParams params = null;
                    try {
                        params = group.generateLayoutParams(attrs);
                    } catch (RuntimeException e) {
                    // Ignore, just fail over to child attrs.
                    }
                    if (params == null) {
                        params = group.generateLayoutParams(childAttrs);
                    }
                    view.setLayoutParams(params);
                    // Inflate all children.
                    rInflateChildren(childParser, view, childAttrs, true);
                    if (id != View.NO_ID) {
                        view.setId(id);
                    }
                    switch(visibility) {
                        case 0:
                            view.setVisibility(View.VISIBLE);
                            break;
                        case 1:
                            view.setVisibility(View.INVISIBLE);
                            break;
                        case 2:
                            view.setVisibility(View.GONE);
                            break;
                    }
                    group.addView(view);
                }
            } finally {
                childParser.close();
            }
        }
    } else {
        throw new InflateException("<include /> can only be used inside of a ViewGroup");
    }
    LayoutInflater.consumeChildElements(parser);
}

Example 92 with AttributeSet

use of android.util.AttributeSet in project XobotOS by xamarin.

the class RegisteredServicesCache method parseServiceInfo.

private ServiceInfo<V> parseServiceInfo(ResolveInfo service) throws XmlPullParserException, IOException {
    android.content.pm.ServiceInfo si = service.serviceInfo;
    ComponentName componentName = new ComponentName(si.packageName, si.name);
    PackageManager pm = mContext.getPackageManager();
    XmlResourceParser parser = null;
    try {
        parser = si.loadXmlMetaData(pm, mMetaDataName);
        if (parser == null) {
            throw new XmlPullParserException("No " + mMetaDataName + " meta-data");
        }
        AttributeSet attrs = Xml.asAttributeSet(parser);
        int type;
        while ((type = parser.next()) != XmlPullParser.END_DOCUMENT && type != XmlPullParser.START_TAG) {
        }
        String nodeName = parser.getName();
        if (!mAttributesName.equals(nodeName)) {
            throw new XmlPullParserException("Meta-data does not start with " + mAttributesName + " tag");
        }
        V v = parseServiceAttributes(pm.getResourcesForApplication(si.applicationInfo), si.packageName, attrs);
        if (v == null) {
            return null;
        }
        final android.content.pm.ServiceInfo serviceInfo = service.serviceInfo;
        final ApplicationInfo applicationInfo = serviceInfo.applicationInfo;
        final int uid = applicationInfo.uid;
        return new ServiceInfo<V>(v, componentName, uid);
    } catch (NameNotFoundException e) {
        throw new XmlPullParserException("Unable to load resources for pacakge " + si.packageName);
    } finally {
        if (parser != null)
            parser.close();
    }
}

Example 93 with AttributeSet

use of android.util.AttributeSet in project XobotOS by xamarin.

the class PackageParser method parsePackageLite.

/*
     * Utility method that retrieves just the package name and install
     * location from the apk location at the given file path.
     * @param packageFilePath file location of the apk
     * @param flags Special parse flags
     * @return PackageLite object with package information or null on failure.
     */
public static PackageLite parsePackageLite(String packageFilePath, int flags) {
    AssetManager assmgr = null;
    final XmlResourceParser parser;
    final Resources res;
    try {
        assmgr = new AssetManager();
        assmgr.setConfiguration(0, 0, null, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, Build.VERSION.RESOURCES_SDK_INT);
        int cookie = assmgr.addAssetPath(packageFilePath);
        if (cookie == 0) {
            return null;
        }
        final DisplayMetrics metrics = new DisplayMetrics();
        metrics.setToDefaults();
        res = new Resources(assmgr, metrics, null);
        parser = assmgr.openXmlResourceParser(cookie, ANDROID_MANIFEST_FILENAME);
    } catch (Exception e) {
        if (assmgr != null)
            assmgr.close();
        Slog.w(TAG, "Unable to read AndroidManifest.xml of " + packageFilePath, e);
        return null;
    }
    final AttributeSet attrs = parser;
    final String[] errors = new String[1];
    PackageLite packageLite = null;
    try {
        packageLite = parsePackageLite(res, parser, attrs, flags, errors);
    } catch (IOException e) {
        Slog.w(TAG, packageFilePath, e);
    } catch (XmlPullParserException e) {
        Slog.w(TAG, packageFilePath, e);
    } finally {
        if (parser != null)
            parser.close();
        if (assmgr != null)
            assmgr.close();
    }
    if (packageLite == null) {
        Slog.e(TAG, "parsePackageLite error: " + errors[0]);
        return null;
    }
    return packageLite;
}

Example 94 with AttributeSet

use of android.util.AttributeSet in project android_frameworks_base by ParanoidAndroid.

the class LayoutInflater method parseInclude.

private void parseInclude(XmlPullParser parser, View parent, AttributeSet attrs) throws XmlPullParserException, IOException {
    int type;
    if (parent instanceof ViewGroup) {
        final int layout = attrs.getAttributeResourceValue(null, "layout", 0);
        if (layout == 0) {
            final String value = attrs.getAttributeValue(null, "layout");
            if (value == null) {
                throw new InflateException("You must specifiy a layout in the" + " include tag: <include layout=\"@layout/layoutID\" />");
            } else {
                throw new InflateException("You must specifiy a valid layout " + "reference. The layout ID " + value + " is not valid.");
            }
        } else {
            final XmlResourceParser childParser = getContext().getResources().getLayout(layout);
            try {
                final AttributeSet childAttrs = Xml.asAttributeSet(childParser);
                while ((type = childParser.next()) != XmlPullParser.START_TAG && type != XmlPullParser.END_DOCUMENT) {
                // Empty.
                }
                if (type != XmlPullParser.START_TAG) {
                    throw new InflateException(childParser.getPositionDescription() + ": No start tag found!");
                }
                final String childName = childParser.getName();
                if (TAG_MERGE.equals(childName)) {
                    // Inflate all children.
                    rInflate(childParser, parent, childAttrs, false);
                } else {
                    final View view = createViewFromTag(parent, childName, childAttrs);
                    final ViewGroup group = (ViewGroup) parent;
                    // We try to load the layout params set in the <include /> tag. If
                    // they don't exist, we will rely on the layout params set in the
                    // included XML file.
                    // During a layoutparams generation, a runtime exception is thrown
                    // if either layout_width or layout_height is missing. We catch
                    // this exception and set localParams accordingly: true means we
                    // successfully loaded layout params from the <include /> tag,
                    // false means we need to rely on the included layout params.
                    ViewGroup.LayoutParams params = null;
                    try {
                        params = group.generateLayoutParams(attrs);
                    } catch (RuntimeException e) {
                        params = group.generateLayoutParams(childAttrs);
                    } finally {
                        if (params != null) {
                            view.setLayoutParams(params);
                        }
                    }
                    // Inflate all children.
                    rInflate(childParser, view, childAttrs, true);
                    // Attempt to override the included layout's android:id with the
                    // one set on the <include /> tag itself.
                    TypedArray a = mContext.obtainStyledAttributes(attrs, com.android.internal.R.styleable.View, 0, 0);
                    int id = a.getResourceId(com.android.internal.R.styleable.View_id, View.NO_ID);
                    // While we're at it, let's try to override android:visibility.
                    int visibility = a.getInt(com.android.internal.R.styleable.View_visibility, -1);
                    a.recycle();
                    if (id != View.NO_ID) {
                        view.setId(id);
                    }
                    switch(visibility) {
                        case 0:
                            view.setVisibility(View.VISIBLE);
                            break;
                        case 1:
                            view.setVisibility(View.INVISIBLE);
                            break;
                        case 2:
                            view.setVisibility(View.GONE);
                            break;
                    }
                    group.addView(view);
                }
            } finally {
                childParser.close();
            }
        }
    } else {
        throw new InflateException("<include /> can only be used inside of a ViewGroup");
    }
    final int currentDepth = parser.getDepth();
    while (((type = parser.next()) != XmlPullParser.END_TAG || parser.getDepth() > currentDepth) && type != XmlPullParser.END_DOCUMENT) {
    // Empty
    }
}

Example 95 with AttributeSet

use of android.util.AttributeSet in project android_frameworks_base by ParanoidAndroid.

the class AnimationUtils method createInterpolatorFromXml.

private static Interpolator createInterpolatorFromXml(Context c, XmlPullParser parser) throws XmlPullParserException, IOException {
    Interpolator interpolator = null;
    // Make sure we are on a start tag.
    int type;
    int depth = parser.getDepth();
    while (((type = parser.next()) != XmlPullParser.END_TAG || parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) {
        if (type != XmlPullParser.START_TAG) {
            continue;
        }
        AttributeSet attrs = Xml.asAttributeSet(parser);
        String name = parser.getName();
        if (name.equals("linearInterpolator")) {
            interpolator = new LinearInterpolator(c, attrs);
        } else if (name.equals("accelerateInterpolator")) {
            interpolator = new AccelerateInterpolator(c, attrs);
        } else if (name.equals("decelerateInterpolator")) {
            interpolator = new DecelerateInterpolator(c, attrs);
        } else if (name.equals("accelerateDecelerateInterpolator")) {
            interpolator = new AccelerateDecelerateInterpolator(c, attrs);
        } else if (name.equals("cycleInterpolator")) {
            interpolator = new CycleInterpolator(c, attrs);
        } else if (name.equals("anticipateInterpolator")) {
            interpolator = new AnticipateInterpolator(c, attrs);
        } else if (name.equals("overshootInterpolator")) {
            interpolator = new OvershootInterpolator(c, attrs);
        } else if (name.equals("anticipateOvershootInterpolator")) {
            interpolator = new AnticipateOvershootInterpolator(c, attrs);
        } else if (name.equals("bounceInterpolator")) {
            interpolator = new BounceInterpolator(c, attrs);
        } else {
            throw new RuntimeException("Unknown interpolator name: " + parser.getName());
        }
    }
    return interpolator;
}