TransactionTooLargeException_article_ActivityManagerNative.java

ActivityManagerNative.java

private static final Singleton<IActivityManager> gDefault = new Singleton<IActivityManager>() {
    protected IActivityManager create() {
            IBinder b = ServiceManager.getService("activity");
            ...
            // that is, gDefault is the IActivityManager  
            IActivityManager am = asInterface(b);
            ...
            return am;
        }
};
 
static public IActivityManager asInterface(IBinder obj) {
    ...
    return new ActivityManagerProxy(obj);
}
 
class ActivityManagerProxy implements IActivityManager
{
    ...
    public int startActivity(...) throws RemoteException {
        Parcel data = Parcel.obtain();
        Parcel reply = Parcel.obtain();
        // put a lot of things into data
	    ...
        // Call transact binder’s method (mRemote - is the IBinder in this case)
        mRemote.transact(START_ACTIVITY_TRANSACTION, data, reply, 0);
        reply.readException();
        int result = reply.readInt();
        reply.recycle();
        data.recycle();
        return result;
    }
    ...
}