diff options
Diffstat (limited to 'core/java/android/view/LayoutInflater.java')
| -rw-r--r-- | core/java/android/view/LayoutInflater.java | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/core/java/android/view/LayoutInflater.java b/core/java/android/view/LayoutInflater.java index 0dfe425..3e3dbdf 100644 --- a/core/java/android/view/LayoutInflater.java +++ b/core/java/android/view/LayoutInflater.java @@ -16,15 +16,15 @@ package android.view; +import org.xmlpull.v1.XmlPullParser; +import org.xmlpull.v1.XmlPullParserException; + import android.content.Context; import android.content.res.TypedArray; import android.content.res.XmlResourceParser; import android.util.AttributeSet; import android.util.Xml; -import org.xmlpull.v1.XmlPullParser; -import org.xmlpull.v1.XmlPullParserException; - import java.io.IOException; import java.lang.reflect.Constructor; import java.util.HashMap; @@ -71,11 +71,11 @@ public abstract class LayoutInflater { private final Object[] mConstructorArgs = new Object[2]; - private static final Class[] mConstructorSignature = new Class[] { + private static final Class<?>[] mConstructorSignature = new Class[] { Context.class, AttributeSet.class}; - private static final HashMap<String, Constructor> sConstructorMap = - new HashMap<String, Constructor>(); + private static final HashMap<String, Constructor<? extends View>> sConstructorMap = + new HashMap<String, Constructor<? extends View>>(); private HashMap<String, Boolean> mFilterMap; @@ -97,7 +97,7 @@ public abstract class LayoutInflater { * * @return True if this class is allowed to be inflated, or false otherwise */ - boolean onLoadClass(Class clazz); + boolean onLoadClass(Class<?> clazz); } public interface Factory { @@ -453,18 +453,18 @@ public abstract class LayoutInflater { * @param name The full name of the class to be instantiated. * @param attrs The XML attributes supplied for this instance. * - * @return View The newly instantied view, or null. + * @return View The newly instantiated view, or null. */ public final View createView(String name, String prefix, AttributeSet attrs) throws ClassNotFoundException, InflateException { - Constructor constructor = sConstructorMap.get(name); - Class clazz = null; + Constructor<? extends View> constructor = sConstructorMap.get(name); + Class<? extends View> clazz = null; try { if (constructor == null) { // Class not found in the cache, see if it's real, and try to add it clazz = mContext.getClassLoader().loadClass( - prefix != null ? (prefix + name) : name); + prefix != null ? (prefix + name) : name).asSubclass(View.class); if (mFilter != null && clazz != null) { boolean allowed = mFilter.onLoadClass(clazz); @@ -482,7 +482,7 @@ public abstract class LayoutInflater { if (allowedState == null) { // New class -- remember whether it is allowed clazz = mContext.getClassLoader().loadClass( - prefix != null ? (prefix + name) : name); + prefix != null ? (prefix + name) : name).asSubclass(View.class); boolean allowed = clazz != null && mFilter.onLoadClass(clazz); mFilterMap.put(name, allowed); @@ -497,7 +497,7 @@ public abstract class LayoutInflater { Object[] args = mConstructorArgs; args[1] = attrs; - return (View) constructor.newInstance(args); + return constructor.newInstance(args); } catch (NoSuchMethodException e) { InflateException ie = new InflateException(attrs.getPositionDescription() @@ -506,6 +506,13 @@ public abstract class LayoutInflater { ie.initCause(e); throw ie; + } catch (ClassCastException e) { + // If loaded class is not a View subclass + InflateException ie = new InflateException(attrs.getPositionDescription() + + ": Class is not a View " + + (prefix != null ? (prefix + name) : name)); + ie.initCause(e); + throw ie; } catch (ClassNotFoundException e) { // If loadClass fails, we should propagate the exception. throw e; @@ -519,7 +526,7 @@ public abstract class LayoutInflater { } /** - * Throw an excpetion because the specified class is not allowed to be inflated. + * Throw an exception because the specified class is not allowed to be inflated. */ private void failNotAllowed(String name, String prefix, AttributeSet attrs) { InflateException ie = new InflateException(attrs.getPositionDescription() |