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ApplicationLoaders.javaAPI DocAndroid 5.1 API2664Thu Mar 12 22:22:10 GMT 2015android.app

ApplicationLoaders

public class ApplicationLoaders extends Object

Fields Summary
private final android.util.ArrayMap
mLoaders
private static final ApplicationLoaders
gApplicationLoaders
Constructors Summary
Methods Summary
public java.lang.ClassLoadergetClassLoader(java.lang.String zip, java.lang.String libPath, java.lang.ClassLoader parent)

        /*
         * This is the parent we use if they pass "null" in.  In theory
         * this should be the "system" class loader; in practice we
         * don't use that and can happily (and more efficiently) use the
         * bootstrap class loader.
         */
        ClassLoader baseParent = ClassLoader.getSystemClassLoader().getParent();

        synchronized (mLoaders) {
            if (parent == null) {
                parent = baseParent;
            }

            /*
             * If we're one step up from the base class loader, find
             * something in our cache.  Otherwise, we create a whole
             * new ClassLoader for the zip archive.
             */
            if (parent == baseParent) {
                ClassLoader loader = mLoaders.get(zip);
                if (loader != null) {
                    return loader;
                }
    
                Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, zip);
                PathClassLoader pathClassloader =
                    new PathClassLoader(zip, libPath, parent);
                Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);

                mLoaders.put(zip, pathClassloader);
                return pathClassloader;
            }

            Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, zip);
            PathClassLoader pathClassloader = new PathClassLoader(zip, parent);
            Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
            return pathClassloader;
        }
    
public static android.app.ApplicationLoadersgetDefault()

        return gApplicationLoaders;